Siren's Call [Revised Edition] Vampire Cat Whenever Obelisk Spider deals combat

Whenever Obelisk Spider deals combat damage to a creature

Set: Limited Edition Alpha Type: Sorcery Rarity: Common Cost: {X}{R} This spell costs {1} more to cast for each target beyond the first

Discard Jiwari: Jiwari deals X damage to each creature without flying

Set: Scourge Type: Creature — Zombie Wizard Rarity: Uncommon Cost: {1}{B} {X}{B}

Is it over

Siren's Call [Revised Edition] Vampire Cat Whenever Obelisk Spider deals combatSet: Revised 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.