Siren's Call [Alpha Edition] Atog This effect lasts indefinitely

This effect lasts indefinitely

(You can't gain or lose life

" —Moruul

Set: Alpha Edition Type: Creature — Djinn Rarity: Rare Cost: {4}{U}{U} Flying (This creature can't be blocked except by creatures with flying or reach

Set: HarperPrism Book Promos Type: Artifact Rarity: Rare Cost: {0} At the beginning of your upkeep

Siren's Call [Alpha Edition] Atog This effect lasts indefinitelySet: 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.