Ash Blossom & Joyous Spring

Zombie/Tuner/Effect

When a card or effect is activated that includes any of these effects (Quick Effect): You can discard this card; negate that effect.
• Add a card from the Deck to the hand.
• Special Summon from the Deck.
• Send a card from the Deck to the GY.
You can only use this effect of "Ash Blossom & Joyous Spring" once per turn.

Effect Veiler

Spellcaster/Tuner/Effect

During your opponent's Main Phase (Quick Effect): You can send this card from your hand to the GY, then target 1 Effect Monster your opponent controls; negate the effects of that face-up monster your opponent controls, until the end of this turn.

Subterror Behemoth Stalagmo

Rock/Flip/Effect

FLIP: You can discard 1 "Subterror" monster, and if you do, draw 2 cards. You can only use this effect of "Subterror Behemoth Stalagmo" once per turn.
When a face-up monster you control is flipped face-down, if you control no face-up monsters: You can Special Summon this card from your hand in Defense Position. Once per turn: You can change this card to face-down Defense Position.

Subterror Behemoth Ultramafus

Pyro/Flip/Effect

FLIP: You can change all other face-up monsters on the field to face-down Defense Position. You can only use this effect of "Subterror Behemoth Ultramafus" once per turn.
When a face-up monster you control is flipped face-down, if you control no face-up monsters: You can Special Summon this card from your hand in Defense Position. Once per turn: You can change this card to face-down Defense Position.

Subterror Behemoth Umastryx

Reptile/Flip/Effect

FLIP: You can target 1 monster your opponent controls; banish it. You can only use this effect of "Subterror Behemoth Umastryx" once per turn. When a face-up monster you control is flipped face-down, if you control no face-up monsters: You can Special Summon this card from your hand in Defense Position. Once per turn: You can change this card to face-down Defense Position.

Subterror Fiendess

Spellcaster/Effect

During either player's turn, when your opponent activates a card or effect: You can send this card from your hand or field to the Graveyard, then target 1 "Subterror" monster you control; negate the activation, then change the targeted monster to face-down Defense Position. You can target 1 face-up monster you control; change it to face-down Defense Position, and if you do, Special Summon 1 "Subterror" monster from your hand or Graveyard, in face-up or face-down Defense Position. You can only use each effect of "Subterror Fiendess" once per turn.

Subterror Guru

Dragon/Flip/Effect

FLIP: You can add 1 "Subterror" card from your Deck to your hand, except "Subterror Guru". You can target 1 other face-up monster on the field; change both it and this card to face-down Defense Position. This effect can be activated during either player's turn, if you control another "Subterror" card. You can only use each effect of "Subterror Guru" once per turn.

Subterror Nemesis Archer

Fairy/Effect

At the start of the Damage Step, if this card attacks an opponent's face-down Defense Position monster, and you control another "Subterror" monster: You can shuffle that opponent's monster into the Deck. If this card on the field is destroyed by battle or card effect and sent to the Graveyard: You can Special Summon 1 "Subterror" monster from your Deck in face-up or face-down Defense Position. You can only use each effect of "Subterror Nemesis Archer" once per turn.

Whirlwind Weasel

Beast/Effect

Reverse: Opponent cannot activate Magic/Trap during this turn.

Book of Moon

Target 1 face-up monster on the field; change that target to face-down Defense Position.

Monster Reborn

Special Summon 1 monster from either player's Graveyard to your side of the field.

Mystical Space Typhoon

Destroy 1 Spell or Trap Card on the field.

Pot of Duality

Excavate the top 3 cards of your Deck, add 1 of them to your hand, also, after that, shuffle the rest back into your Deck. You can only activate 1 "Pot of Duality" per turn. You cannot Special Summon during the turn you activate this card.

Raigeki

Destroy all monsters your opponent controls.

Subterror Cave Clash

All "Subterror" monsters you control gain 500 ATK and DEF for each Set monster on the field. Once per turn, when a "Subterror" monster you control inflicts battle damage to your opponent: You can target 1 "Subterror" card in your Graveyard, except "Subterror Cave Clash"; add it to your hand.

Terraforming

Add 1 Field Spell Card from your Deck to your hand.

The Hidden City

When this card is activated: You can add 1 "Subterror" monster from your Deck to your hand. Once per turn: You can change 1 face-down Defense Position "Subterror" monster you control to face-up Attack or Defense Position. Once per turn, when an opponent's monster declares an attack: You can change 1 face-down Defense Position "Subterror" monster you control to face-up Attack or Defense Position, then you can negate the attack. You can only activate 1 "The Hidden City" per turn.

Twin Twisters

Discard 1 card, then target up to 2 Spell/Trap Cards on the field; destroy them.

Breakthrough Skill

Target 1 face-up Effect Monster your opponent controls; negate the effects of that opponent's face-up monster, until the end of this turn. During your turn, except the turn this card was sent to the Graveyard: You can banish this card from your Graveyard, then target 1 face-up Effect Monster your opponent controls; negate that target's effects until the end of this turn.

Infinite Impermanence

Target 1 face-up monster your opponent controls; it has its effects negated (until the end of this turn), then if this card is activated while it was Set, negate the effects of other Spells/Traps in this card's column this turn. If you control no cards, you can activate this card from your hand.

Metaverse

Take 1 Field Spell from your Deck, and either activate it or add it to your hand.

Mirror Force

When an opponent's monster declares an attack: Destroy all Attack Position monsters your opponent controls.

Solemn Judgment

When a monster would be Summoned, OR a Spell/Trap Card is activated: Pay half your Life Points; negate the Summon or activation, and if you do, destroy that card.

Solemn Strike

When a monster(s) would be Special Summoned, or a monster effect is activated: Pay 1500 LP; negate the Summon or activation, and if you do, destroy that card.

Solemn Warning

When a monster(s) would be Summoned, OR when a Spell/Trap Card, or monster effect, is activated that includes an effect that Special Summons a monster(s): Pay 2000 LP; negate the Summon or activation, and if you do, destroy that card.

Subterror Behemoth Burrowing

You can banish 1 "Subterror" monster from your Graveyard; for the rest of this turn, face-down monsters you control cannot be destroyed by card effects, and your opponent cannot target them with card effects. If this card on the field is destroyed by a card effect: You can add 1 "Subterror" monster from your Deck to your hand. You can banish this card from your Graveyard, then target 1 "Subterror" monster you control; change it to face-down Defense Position.

Subterror Final Battle

Activate 1 of these effects, also, after that, Set this card face-down instead of sending it to the Graveyard.
- Change 1 Set "Subterror" monster on the field to face-up Attack or Defense Position.
- Change 1 face-up "Subterror" monster on the field to face-down Defense Position.
- ATK and DEF of 1 "Subterror" monster on the field become equal to its combined original ATK and DEF until the end of this turn.
- This turn, activated effects of "Subterror" cards cannot be negated.

Borrelsword Dragon

Dragon/Link/Effect

3+ Effect Monsters
Cannot be destroyed by battle. Once per turn (Quick Effect): You can target 1 Attack Position monster; change it to Defense Position, and if you do, this card can make a second attack during each Battle Phase this turn. Your opponent cannot activate cards or effects in response to this effect's activation. Once per turn, when this card declares an attack on a face-up monster: You can make this card gain ATK equal to half that monster's ATK, and if you do, that monster's ATK becomes half its current ATK. These changes last until the end of this turn.

Cyberse Enchanter

Cyberse/Link/Effect

2+ monsters
If you control this card that was Link Summoned using "Cyberse Wizard" as material (Quick Effect): You can target 1 monster your opponent controls; change its battle position, and if you do, negate its effects until the end of this turn. If this card is destroyed by battle, or if this card in its owner's possession is destroyed by an opponent's card effect: You can Special Summon 1 "Cyberse Wizard" from your hand, Deck, or GY. You can only use each effect of "Cyberse Enchanter" once per turn.

Decode Talker

Cyberse/Link/Effect

2+ Effect Monsters
Gains 500 ATK for each monster it points to. When your opponent activates a card or effect that targets a card(s) you control (Quick Effect): You can Tribute 1 monster this card points to; negate the activation, and if you do, destroy that card.

Knightmare Cerberus

Fiend/Link/Effect

2 monsters with different names
If this card is Link Summoned: You can discard 1 card, then target 1 Special Summoned monster in your opponent's Main Monster Zone; destroy it, then if this card was co-linked when this effect was activated, you can draw 1 card. You can only use this effect of "Knightmare Cerberus" once per turn. Your co-linked monsters cannot be destroyed by card effects.

Knightmare Phoenix

Fiend/Link/Effect

2 monsters with different names
If this card is Link Summoned: You can discard 1 card, then target 1 Spell/Trap your opponent controls; destroy it, then, if this card was co-linked when this effect was activated, you can draw 1 card. You can only use this effect of "Knightmare Phoenix" once per turn. Co-linked monsters you control cannot be destroyed by battle.

Knightmare Unicorn

Fiend/Link/Effect

2+ monsters with different names
If this card is Link Summoned: You can discard 1 card, then target 1 card on the field; shuffle it into the Deck, then if this card was co-linked when this effect was activated, you can draw 1 card. You can only use this effect of "Knightmare Unicorn" once per turn. While a co-linked "Knightmare" monster(s) is on the field, draw cards equal to the number of those monsters with different names instead of 1 for your normal draw during your Draw Phase.

Link Spider

Cyberse/Link/Effect

1 Normal Monster
Once per turn: You can Special Summon 1 Level 4 or lower Normal Monster from your hand to your zone this card points to.

Linkuriboh

Cyberse/Link/Effect

1 Level 1 Monster
When an opponent's monster declares an attack: You can Tribute this card; change that opponent's monster's ATK to 0, until the end of this turn. If this card is in your GY (Quick Effect): You can Tribute 1 Level 1 monster; Special Summon this card. You can only use this effect of "Linkuriboh" once per turn.

Shaddoll Construct

Fairy/Link/Effect

2 Flip monsters
During your Main Phase: You can Fusion Summon 1 "Shaddoll" Fusion Monster from your Extra Deck, using monsters from your hand or field as Fusion Materials. If this card is in your GY: You can send 1 "Shaddoll" card from your hand or face-up from your field to the GY, and if you do, Special Summon this card. You can only use each effect of "Shaddoll Construct" once per turn.

Subterror Behemoth Fiendess

Wyrm/Link/Effect

2 Flip monsters
Gains ATK equal to the combined original Levels of the "Subterror" monsters used for its Link Summon x 100. During your Main Phase: You can send 1 Flip monster from your Deck to the GY, and if you do, Special Summon 1 monster from your hand in face-down Defense Position to your zone this card points to. You can only use this effect of "Subterror Behemoth Fiendess" once per turn. Once per turn, if a monster this card points to is flipped face-up: Add 1 Flip monster from your Deck or GY to your hand.

Summon Sorceress

Spellcaster/Link/Effect

2+ monsters with the same Type, except Tokens
If this card is Link Summoned: You can Special Summon 1 monster from your hand in Defense Position, to your opponent's zone this card points to. You can target 1 face-up monster this card points to; Special Summon 1 monster from your Deck, with the same Type as that monster, to a zone this card points to, but negate its effects. You can only use this effect of "Summon Sorceress" once per turn.

Nibiru, the Primal Being

Rock/Effect

During the Main Phase, if your opponent Normal or Special Summoned 5 or more monsters this turn (Quick Effect): You can Tribute as many face-up monsters on the field as possible, and if you do, Special Summon this card from your hand, then Special Summon 1 "Primal Being Token" (Rock/LIGHT/Level 11/ATK ?/DEF ?) to your opponent's field. (This Token's ATK/DEF become the combined original ATK/DEF of the Tributed monsters.) You can only use this effect of "Nibiru, the Primal Being" once per turn.

Spirit of the Fall Wind

Fairy/Effect

If this card is Normal Summoned: You can add 1 Flip monster from your Deck to your hand.

Subterror Behemoth Phospheroglacier

Aqua/Flip/Effect

FLIP: You can send 1 card from your Deck to the Graveyard. You can only use this effect of "Subterror Behemoth Phospheroglacier" once per turn.
When a face-up monster you control is flipped face-down, if you control no face-up monsters: You can Special Summon this card from your hand in Defense Position. Once per turn: You can change this card to face-down Defense Position.

Subterror Behemoth Speleogeist

Fiend/Flip/Effect

FLIP: You can target 1 monster on the field; change it to face-up Attack Position if it is in Defense Position, also change its ATK to 0. You can only use this effect of "Subterror Behemoth Speleogeist" once per turn.
When a face-up monster you control is flipped face-down, if you control no face-up monsters: You can Special Summon this card from your hand in Defense Position. Once per turn: You can change this card to face-down Defense Position.

Subterror Behemoth Stalagmo

Rock/Flip/Effect

FLIP: You can discard 1 "Subterror" monster, and if you do, draw 2 cards. You can only use this effect of "Subterror Behemoth Stalagmo" once per turn.
When a face-up monster you control is flipped face-down, if you control no face-up monsters: You can Special Summon this card from your hand in Defense Position. Once per turn: You can change this card to face-down Defense Position.

Forbidden Chalice

Target 1 face-up monster on the field; until the end of this turn, that target gains 400 ATK, but its effects are negated.

Scapegoat

Special Summon 4 "Sheep Tokens" (Beast-Type/EARTH/Level 1/ATK 0/DEF 0) in Defense Position. These Tokens cannot be Tributed for a Tribute Summon. You cannot Summon other monsters the turn you activate this card (but you can Normal Set).

Shared Ride

After this card resolves, each time your opponent adds a card(s) from their Deck or Graveyard to their hand this turn, except by drawing them, you immediately draw 1 card for each card effect. You can only activate 1 "Shared Ride" per turn.

Subterror Cave Clash

All "Subterror" monsters you control gain 500 ATK and DEF for each Set monster on the field. Once per turn, when a "Subterror" monster you control inflicts battle damage to your opponent: You can target 1 "Subterror" card in your Graveyard, except "Subterror Cave Clash"; add it to your hand.

Call Of The Haunted

Select 1 monster from your Graveyard and Special Summon it in face-up Attack Position. When this card is removed from the field, destroy the monster. When the monster is destroyed, destroy this card.

Subterror Behemoth Burrowing

You can banish 1 "Subterror" monster from your Graveyard; for the rest of this turn, face-down monsters you control cannot be destroyed by card effects, and your opponent cannot target them with card effects. If this card on the field is destroyed by a card effect: You can add 1 "Subterror" monster from your Deck to your hand. You can banish this card from your Graveyard, then target 1 "Subterror" monster you control; change it to face-down Defense Position.

Subterror Final Battle

Activate 1 of these effects, also, after that, Set this card face-down instead of sending it to the Graveyard.
- Change 1 Set "Subterror" monster on the field to face-up Attack or Defense Position.
- Change 1 face-up "Subterror" monster on the field to face-down Defense Position.
- ATK and DEF of 1 "Subterror" monster on the field become equal to its combined original ATK and DEF until the end of this turn.
- This turn, activated effects of "Subterror" cards cannot be negated.