Koa'ki Meiru Sandman [BP03-EN072] Shatterfoil Rare AR4 You can only activate 1

You can only activate 1 "Cynet Backdoor" per turn

then target 1 face-up Special Summoned monster your opponent controls

Set: EX: Deoxys Type: Colorless Rarity: Rare Retreat cost: Colorless

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Koa'ki Meiru Sandman [BP03-EN072] Shatterfoil Rare AR4 You can only activate 1Set: Battle Pack 3: Monster League Card type: Effect Monster Rarity: Shatterfoil Rare Attack: 1900 Defense: 1200 During each of your End Phases, destroy this card unless you send 1 "Iron Core of Koa'ki Meiru" from your hand to the Graveyard or reveal 1 Rock Type monster in your hand. During either player's turn, when your opponent activates a trap card: You can Tribute this card to negate the activation, and if you do destroy this card.