Umbral Horror Ghost

Fiend/Effect

During your Main Phase: You can Special Summon this card and 1 Level 4 or lower Fiend-Type monster from your hand. You cannot Normal Summon/Set during the turn you activate this effect. You can only use this effect of "Umbral Horror Ghost" once per turn.

Umbral Horror Ghoul

Fiend/Effect

Once per turn: You can make this card's ATK 0, and if you do, Special Summon 1 "Umbral Horror" monster with 0 ATK from your hand.

Umbral Horror Unform

Fiend/Effect

When this card is destroyed by battle and sent to the Graveyard while attacking a monster: You can Special Summon 2 "Umbral Horror" monsters from your Deck. You can only use the effect of "Umbral Horror Unform" once per turn.

Umbral Horror Will o' the Wisp

Fiend/Effect

When this card is Normal or Special Summoned: You can target 1 "Umbral Horror" monster you control or in your Graveyard, except this card; this card's level becomes the current level of that monster. When this Attack Position card is destroyed by battle and sent to the Graveyard, and was in face-up Attack Position at the start of the Damage Step: Destroy the monster that destroyed this card.

Secret Sect Druid Dru

Spellcaster/Effect

When this card is Normal Summoned: You can target 1 Level 4 DARK monster with either 0 ATK or DEF in your Graveyard, except "Druise the Duplicitous Druid"; Special Summon that target in face-up Defense Position. Its effects are negated. You can only use the effect of "Druise the Duplicitous Druid" once per turn.

Kagetokage

Reptile/Effect

Cannot be Normal Summoned or Set. When you Normal Summon a Level 4 monster: You can Special Summon this card from your hand. This card cannot be used as a Synchro Material Monster.

Evilswarm Mandragora

Plant/Effect

If your opponent controls more monsters than you do, you can Special Summon this card (from your hand).

Barrier Statue of the Abyss

Fiend/Effect

No monsters can be Special Summoned, except for DARK monsters.

Rank-Up-Magic Numeron Force

Target 1 face-up Xyz Monster you control; Special Summon from your Extra Deck, 1 "Number C" monster with the same Type as that monster you control but 1 Rank higher, by using it as the Xyz Material. (This Special Summon is treated as an Xyz Summon. Xyz Materials attached to it also become Xyz Materials on the Summoned monster.) Then, if any face-up cards are on the field other than this card and the monster Summoned by it, negate the effects of those other cards.

Rank-Up-Magic - The Seventh One

To activate this card, you must draw it for your normal draw in your Draw Phase, reveal it, and keep it revealed until the start of Main Phase 1. At the start of your Main Phase 1 that same turn, you can: Special Summon, from your Extra Deck or Graveyard, 1 monster that has a number between "Number 101" and "Number 107" in its name, except "Number C" monsters, then Xyz Summon, from your Extra Deck, 1 "Number C" monster with the same number in its name as the first monster, by using it as the Xyz Material. You can only apply the effect of "Rank-Up-Magic - The Seventh One" once per Duel.

Allure of Darkness

Draw 2 cards, then banish 1 DARK monster from your hand, or, if you do not have any in your hand, send your entire hand to the GY.

Creeping Darkness

Banish 2 DARK monsters from your Graveyard; add 1 Level 4 DARK monster from your Deck to your hand.

Reasoning

Your opponent declares a monster Level from 1 to 12. Excavate cards from the top of your Deck until you excavate a monster that can be Normal Summoned/Set. If that monster is the same Level as the one declared by your opponent, send all excavated cards to the GY. If not, Special Summon the excavated monster, also send the remaining cards to the GY.

Foolish Burial

Send 1 monster from your Deck to the Graveyard.

Called by the Grave

Target 1 monster in your opponent's GY; banish it, and if you do, monsters with the same original name as that banished monster have their effects negated until the end of the next turn.

Monster Reborn

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

Corrupted Keys

Target 1 face-up Xyz Monster you control; Special Summon 3 "Umbral Horror Mirage Tokens" (Fiend-Type/DARK/Level 1/ATK ?/DEF 0). (When Summoned, each Token's ATK becomes equal to the that Xyz Monster's current ATK. They cannot attack your opponent directly or be Tributed, except for a Tribute Summon.) When that face-up Xyz Monster leaves the field, destroy these Tokens.

Back to the Front

Target 1 monster in your GY; Special Summon it in Defense Position.

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.

Number 104: Masquerade

Spellcaster/Xyz/Effect

3 level 4 monsters // During either player's Battle Phase, when an opponent's monster effect is activated: You can detach 1 Xyz Material from this card; negate the activation, and if you do, inflict 800 damage to your opponent. Once per turn: You can send the top card of your opponent's Deck to the Graveyard.

Number C104: Umbral Horror Masquerade

Spellcaster/Xyz/Effect

4 level 5 monsters // When this card is Special Summoned: You can target 1 Spell/Trap Card on the field; destroy that target. If this card has "Number 104: Masquerade" as an Xyz Material, it gains this effect. // * Once per turn, during either player's turn, when a monster effect is activated on your opponent's side of the field: You can detach 1 Xyz Material from this card; negate the activation, then you can send 1 random card from your opponent's hand to the Graveyard, and if you do, halve your opponent's Life Points.

Number 96: Dark Mist

Fiend/Xyz/Effect

3 Level 2 monsters
Once per battle, during either player's turn, when an attack is declared involving this card and an opponent's monster: You can detach 1 Xyz Material from this card; halve the ATK of the opponent's monster, and if you do, this card gains that same amount of ATK.

Number C96: Dark Storm

Fiend/Xyz/Effect

4 Level 3 DARK monsters This card cannot be destroyed by battle, also all battle damage you take from battles involving this card is also inflicted to your opponent. If this card has "Number 96: Dark Mist" as an Xyz Material, it gains this effect. Once per battle, during either player's turn, when an attack is declared involving this card and an opponent's monster: You can detach 1 Xyz Material from this card; the ATK of that opponent's monster becomes 0, and if it does, this card gains ATK equal to that monster's original ATK.

Number C80: Requiem in Berserk

Fiend/Xyz/Effect

3 Level 5 monsters
You can target 1 face-up Xyz Monster you control; equip this monster you control to that target. If a monster equipped with this card would be destroyed, destroy this card instead. If this card has "Number 80: Rhapsody in Berserk" as an Xyz Material, it gains this effect.
You can detach 1 Xyz Material from this card, then target 1 card on the field; banish that target.

Number 80: Rhapsody in Berserk

Fiend/Xyz/Effect

2 Level 4 monsters
You can target 1 face-up Xyz Monster you control; equip this monster you control to that target. It gains 1200 ATK. You can detach 1 Xyz Material from this card, then target 1 card in your opponent's Graveyard; banish that target. You can use this effect of "Number 80: Rhapsody in Berserk" up to twice per turn.

Number 85: Crazy Box

Fiend/Xyz Effect

2 Level 4 monsters // This card cannot attack. Once per turn: You can detach 1 Xyz Material from this card; roll a six-sided die, then apply the result. // 1: Halve your Life Points. // 2: Draw 1 card. // 3: Your opponent discards 1 card. // 4: Negate the effects of 1 face-up card on the field, until the end of this turn. // 5: Destroy 1 card on the field. // 6: Destroy this card.

Evilswarm Exciton Knight

Fiend/Xyz/Effect

2 Level 4 monsters
Once per chain, during your Main Phase or your opponent's Battle Phase, if your opponent has more total cards in their hand and field than you do (Quick Effect): You can detach 1 material from this card; destroy all other cards on the field, also your opponent takes no further damage this turn.

The Phantom Knights of Cursed Javelin

Warrior/Xyz/Effect

2 Level 2 monsters
You can detach 1 Xyz Material from this card, then target 1 face-up monster your opponent controls; until the end of this turn, change its ATK to 0, also it has its effects negated. This effect can be activated during either player's turn, if this card has a "The Phantom Knights" card as Xyz Material. You can only use this effect of "The Phantom Knights of Cursed Javelin" once per turn.

Wee Witch's Apprentice

Spellcaster/Link/Effect

2 DARK monsters
All DARK monsters on the field gain 500 ATK/DEF, also all LIGHT monsters on the field lose 400 ATK/DEF. If this card is destroyed by battle or card effect: You can target 1 DARK monster in your GY; add it to your hand. You can only use this effect of "Wee Witch's Apprentice" once per turn.

Underclock Taker

Cyberse/Link/Effect

2 Effect Monsters
Once per turn: You can target 1 face-up monster this card points to, and 1 face-up monster your opponent controls; the opponent's target loses ATK equal to the ATK of the target this monster points to, until the end of this turn.

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.

Borreload Dragon

Dragon/Link/Effect

3+ Effect Monsters
Neither player can target this card with monster effects. Once per turn (Quick Effect): You can target 1 face-up monster on the field; it loses 500 ATK/DEF. Your opponent cannot activate cards or effects in response to this effect's activation. At the start of the Damage Step, if this card attacks an opponent's monster: You can place that opponent's monster in a zone this card points to and take control of it, but send it to the GY during the End Phase of the next turn.