Gouki Iron Claw [ETCO-EN004] Common Dark Revelation Volume 1 and cannot be used as

and cannot be used as Synchro Material monsters

during battle between that Synchro Monster and a Defense Position monster whose DEF is lower than the ATK of that Synchro Monster

Set: 2017 Mega-Tins Mega Pack Card type: Normal Trap Rarity: Common If your opponent controls a monster with the highest ATK on the field (even if tied): Target 1 "Galaxy-Eyes" or "Cipher" Xyz Monster you control that has Xyz Material

your opponent discards 1 random card from their hand

Choose 1 card your opponent controls or 1 in their hand (you can look at their hand)

Gouki Iron Claw [ETCO-EN004] Common Dark Revelation Volume 1 and cannot be used asSet: Eternity Code Card type: Effect Monster Rarity: Common Attack: 1000 Defense: 0 During the Damage Step, when your "Gouki" monster battles an opponent's monster (Quick Effect): You can send this card from your hand to the GY; until the end of this turn, your monster gains 500 ATK, and if it does, it is unaffected by your opponent's card effects. If this card is sent from the field to the GY: You can add 1 "Gouki" card from your Deck to your hand,