Metalmorph [DT02-EN046] Common The Lost Art Promotion you can also use monsters

you can also use monsters from your Deck as material

Set: World Championship 2010 Card Pack Card type: Normal Spell Rarity: Rare Select one player

the ATK and DEF of all face-up monsters your opponent controls become half their current ATK and DEF (even if this card leaves the field)

During your opponent's turn: You can banish this card from your Graveyard

If this card is discarded: You can have all face-up monsters your opponent currently controls lose 1000 ATK until the end of this turn

Metalmorph [DT02-EN046] Common The Lost Art Promotion you can also use monstersSet: Duel Terminal 2 Card type: Normal Trap Rarity: Common Attack: 0 Defense: 0 Equip this card to a monster as an Equip Card. It gains 300 ATK and DEF. If the equipped monster attack, it gains additional ATK equal to half the ATK of the attack target, during damage calculation only.