Siren's Call [Beta Edition] Oldschool Who Shelters All enters the

Who Shelters All enters the battlefield tapped

Ignore this effect for each creature the player didn't control continuously since the beginning of the turn

By appearing in places miles apart at the same time

Activate only during your upkeep

If it's a land card

Siren's Call [Beta Edition] Oldschool Who Shelters All enters theSet: 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.