Siren's Call [Alpha Edition] Zombie Naga If damage would be dealt

If damage would be dealt to another creature you control

At the beginning of your upkeep

When these apes want something

power still radiated from the Mirari sword that slew her

sacrifice Masticore unless you discard a card

Siren's Call [Alpha Edition] Zombie Naga If damage would be dealtSet: Alpha 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.