Siren's Call [Beta Edition] 112a Set: Black & White: Boundaries

Set: Black & White: Boundaries Crossed Type: Supporter Rarity: Ultra Rare

Set: EX: Unseen Forces Type: Lightning Rarity: Holo Rare Retreat cost: Colorless

• 1 Boros Guildgate

These packs are so exciting you'll howl with joy---or maybe your transformation is beginning

1 Kessig Cagebreakers

Siren's Call [Beta Edition] 112a Set: Black & White: BoundariesSet: 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.