Yamper (SV039/SV122) [Sword & Shield: Shining Fates] 208 when an opponent's monster declares

when an opponent's monster declares an attack: You can change 1 face-down Defense Position "Subterror" monster you control to face-up Attack or Defense Position

Set: Starter Deck: Jaden Yuki Card type: Effect Monster Rarity: Common Attack: 1800 Defense: 1000 If this card attacks a face-up Defense Position monster

Once per turn: You can send 1 "Gem-Knight" card from your hand to the Graveyard to target 1 face-up card on the field

search your deck for any number of cards named Lord of Wind

Set: Diamond & Pearl: Trainer Kit - Lucario Type: Fighting Rarity: Promo Retreat cost: Colorless

Yamper (SV039/SV122) [Sword & Shield: Shining Fates] 208 when an opponent's monster declaresSet: Sword & Shield: Shining Fates Type: Lightning Rarity: Ultra Rare Retreat cost: Colorless