If this card is Normal or Special Summoned: You can send 1 Thunder monster from your Deck to the GY. If a Thunder monster(s) is Normal or Special Summoned: Special Summon 1 "Batteryman Token" (Thunder/LIGHT/Level 1/ATK 0/DEF 0). You can target 1 Effect Monster you control or in your GY whose original name includes "Batteryman"; until the End Phase, this card's name becomes that monster's original name. You can only use each effect of "Solar Batteryman" once per turn.
During your Main Phase: You can return this face-up card from the field to the hand. During either player's Damage Step, when a LIGHT monster you control battles: You can send this card from your hand to the Graveyard; that monster gains ATK equal to the ATK of the opponent's monster it is battling, until the end of this turn.
You can discard this card; add 2 Level 4 LIGHT Thunder-Type monsters of the same name with 1600 or less ATK from your Deck to your hand. You can only use the effect of "Thunder Sea Horse" once per turn. You cannot Special Summon during the turn you activate this effect.
This card can attack your opponent directly. When this card inflicts Battle Damage to your opponent by a direct attack: Add 1 "Watt" monster from your Deck to your hand.
When this card is destroyed by your opponent, your opponent cannot Special Summon or activate the effects of Spell Cards, Trap Cards, or Effect Monster Card(s) during that turn.
This card can attack twice during each Battle Phase. If this card attacks a face-down Defense Position monster, you can destroy that monster with this card's effect, without applying damage calculation.
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.
At the start of your Main Phase 1: Banish 3 or 6 random face-down cards from your Extra Deck, face-down; draw 1 card for every 3 cards banished. For the rest of this turn after this card resolves, you cannot draw cards by card effects.
Add "Watt" cards with different names from your Deck to your hand, except "Wattrain", up to the number of Thunder monsters you control with different names. During your Main Phase, except the turn this card was sent to the GY: You can banish this card from your GY; Special Summon as many "Watt" monsters as possible with different names from your hand. You can only use each effect of "Wattrain" once per turn.
1 Tuner + 1+ non-Tuner Synchro Monsters
Once per turn, when another monster's effect is activated (Quick Effect): You can negate the activation, and if you do, destroy that monster, and if you do that, this card gains ATK equal to the destroyed monster's original ATK until the end of this turn. If this card battles a Level 5 or higher monster your opponent controls, during damage calculation: This card gains ATK equal to the current ATK of the opponent's monster it is battling during that damage calculation only.
1 Tuner + 1 or more non-Tuner Synchro Monsters
When this card declares an attack on an opponent's monster: This card gains 400 ATK for each EARTH Warrior-Type Synchro Monster you control, until the end of the Damage Step. When this card destroys an opponent's monster by battle and sends it to the Graveyard: You can activate 1 of these effects:
- Special Summon that monster to your side of the field.
- Take control of 1 face-up monster your opponent controls.
1 Watt Tuner + 1 or more non-Tuner Thunder-Type monsters // This card can attack your opponent directly. When this card inflicts Battle Damage to your opponent by a direct attack, place 1 random card from your opponent's hand on top of their Deck.
1 "Watt" Tuner + 1 or more non-Tuner Thunder-Type monsters // This card can attack your opponent directly. When this card inflicts Battle Damage to your opponent by a direct attack, select and remove from play 1 card from your Deck. During your 2nd Standby Phase after this effect's activation, add the removed card to your hand.
2 Level 4 monsters
Once per turn, during your Standby Phase, detach 1 material from this card. If you cannot, destroy it. This Attack Position card cannot be destroyed by your opponent's card effects. Your opponent cannot target this Attack Position card with card effects. While this card is in face-up Defense Position, change all face-up monsters on the field to Defense Position, also negate the activated effects of monsters that were in Defense Position when that effect was activated.