Siren's Call [Beta Edition] Mirrodin Besieged Pay 2 life: Add {C}

Pay 2 life: Add {C}

"There will come a time when the only prey left will be each other

at the beginning of each of your upkeeps for the rest of the game

The pits have their own form of mercy

Creatures the active player controls attack this turn if able

Siren's Call [Beta Edition] Mirrodin Besieged Pay 2 life: Add {C}Set: 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.