Siren's Call [Beta Edition] SM94 You can use this effect

You can use this effect during either player's turn

Set: Sword & Shield: Black Star Promos Type: Darkness Rarity: Promo Retreat cost: 2

Set: Sun & Moon: Lost Thunder Type: Lightning Rarity: Promo Retreat cost: 1

Set: Battle of Chaos Card type: Effect Monster Rarity: Starlight Rare Attack: 3000 Defense: 0 Other cards you control cannot be destroyed by your opponent's card effects

Set: Force of the Breaker Card type: Normal Spell Rarity: Ultimate Rare Your opponent draws 1 card

Siren's Call [Beta Edition] SM94 You can use this effectSet: Beta Edition Type: Instant Rarity: Uncommon Cost: {U} Cast this spell only during an opponent's turn, before attackers are declared. Creatures the active player controls attack this turn if able. At the beginning of the next end step, destroy all non Wall creatures that player controls that didn't attack this turn. Ignore this effect for each creature the player didn't control continuously since the beginning of the turn.