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

Who Shelters All enters the battlefield tapped

Then exile it

Set: Invasion Type: Creature — Phyrexian Zombie Assassin Rarity: Rare Cost: {2}{B}{B} {T}: Destroy target creature if it shares a color with the most common color among all permanents or a color tied for most common

"There will come a time when the only prey left will be each other

Siren's Call [Beta Edition] Mirrodin Besieged 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.