Serperior (13/149) [Black & White: Boundaries Crossed] 173 You can only use 1

You can only use 1 "Ancient Gear Catapult" effect per turn

Set: Retro Pack 1 Card type: Effect Monster Rarity: Rare Attack: 300 Defense: 200 During your opponent's Battle Phase

you can destroy the monster immediately with this card's effect without flipping it face-up or applying damage calculation

If this card is banished: You can target 1 "Cyber Dragon" you control

you can change 1 face-up Defense Position monster your opponent controls to Attack Position

Serperior (13/149) [Black & White: Boundaries Crossed] 173 You can only use 1Set: Black & White: Boundaries Crossed Type: Grass Rarity: Holo Rare Retreat cost: Colorless