Siren's Call [Beta Edition] Colorless [x2] Set: XY: Fates Collide Type:

Set: XY: Fates Collide Type: Colorless Rarity: Ultra Rare Retreat cost: Colorless

we've just intercepted a transmission from the front

These beings embody the essence of true heroes long dead

And keep them safe

Siren's Call [Beta Edition] Colorless [x2] Set: XY: Fates Collide Type: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.