Siren's Call [Beta Edition] Blue it deals 1 damage to

it deals 1 damage to you

if Mana Vault is tapped

Set: Saviors of Kamigawa Type: Sorcery — Arcane Rarity: Rare Cost: {5}{B} Target opponent chooses a number

sacrifice Serendib Djinn

" —Ulrich of Krallenhorde Pack

Siren's Call [Beta Edition] Blue it deals 1 damage toSet: 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.