Siren's Call [Beta Edition] Mirrodin Besieged "There will come a time

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

at the beginning of each of your upkeeps for the rest of the game

Set: Champions of Kamigawa Type: Legendary Land Rarity: Rare Boseiju

Set: Innistrad Type: Enchantment Rarity: Rare Cost: {3}{G} If an effect would create one or more tokens under your control

Who Shelters All enters the battlefield tapped

Siren's Call [Beta Edition] Mirrodin Besieged "There will come a timeSet: 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.