Siren's Call [Beta Edition] Blue sacrifice Serendib Djinn

sacrifice Serendib Djinn

and such a fool

put one of those cards on top of your library and the rest on the bottom of your library in any order

" —Ulrich of Krallenhorde Pack

if Mana Vault is tapped

Siren's Call [Beta Edition] Blue sacrifice Serendib DjinnSet: 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.