Siren's Call [Beta Edition] Amonkhet Invocations Whenever a creature an opponent

Whenever a creature an opponent controls with a -1/-1 counter on it dies

the cradle hauling the casket

Set: Planechase Type: Creature — Zombie Rarity: Uncommon Cost: {2}{B}{B} Zombie spells you cast cost {1} less to cast

where X is that creature's power

Siren's Call [Beta Edition] Amonkhet Invocations Whenever a creature an opponentSet: 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.