Siren's Call [Beta Edition] Beta Edition before leading an army against

before leading an army against the Shu

put it into your hand

It's a helm that leaves the head at its most vulnerable

In fire there is the spark of chaos and destruction

Siren's Call [Beta Edition] Beta Edition before leading an army againstSet: 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.