Fusion Devourer [STON-EN020] Ultimate Rare POP Series 1 during damage calculation (Quick Effect):

during damage calculation (Quick Effect): You can detach 1 material from this card once per battle

Once per turn: You can banish 1 "HERO" monster from your Graveyard

Set: The Lost Millennium Card type: Effect Monster Rarity: Common Attack: 0 Defense: 0 If all 'Batteryman AA'(s) on your side of the field are in Attack Position

add 1 "Righty Driver" from your Deck to your hand

reveal 1 monster in your hand

Fusion Devourer [STON-EN020] Ultimate Rare POP Series 1 during damage calculation (Quick Effect):Set: Strike of Neos Card type: Effect Monster Rarity: Ultimate Rare Attack: 1400 Defense: 1200 When this card battles a Fusion Monster, the ATK of the Fusion Monster becomes 0 during the Damage Step only.