Skyscraper [CRV-EN048] Ultimate Rare Ra Yellow Mega Pack shuffle them into the Deck

shuffle them into the Deck

or Special Summoned during the turn a Thunder monster's effect was activated in the hand

Set: Cybernetic Revolution Card type: Effect Monster Rarity: Ultimate Rare Attack: 800 Defense: 1200 If this is the only card in your hand

Set: Abyss Rising Card type: Normal Trap Rarity: Ultimate Rare Special Summon 1 "Mermail" monster from your Deck

its ATK is halved and this card gains the same amount of ATK

Skyscraper [CRV-EN048] Ultimate Rare Ra Yellow Mega Pack shuffle them into the DeckSet: Cybernetic Revolution Card type: Field Spell Rarity: Ultimate Rare When a monster that includes "Elemental Hero" in its card name attacks, if its ATK is lower than the ATK of the attack target, increase the ATK of the attacking monster by 1000 points during damage calculation only.