Siren's Call [Beta Edition] Scars of Mirrodin Set: Vanguard Series Type: Vanguard

Set: Vanguard Series Type: Vanguard Rarity: Rare If a creature you control would deal damage

destroy target permanent

" —The Underworld Cookbook

Set: Revised Edition Type: Creature — Bird Rarity: Rare Cost: {G} Flying

Siren's Call [Beta Edition] Scars of Mirrodin Set: Vanguard Series Type: VanguardSet: 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.