Siren's Call [Beta Edition] Standardbrawl you may sacrifice an artifact

you may sacrifice an artifact

Set: Guildpact Type: Land — Island Mountain Rarity: Rare ({T}: Add {U} or {R}

Set: Legends Type: Legendary Creature — Human Artificer Rarity: Rare Cost: {W}{W}{U}{U} Banding (Any creatures with banding

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

Set: Mercadian Masques Type: Enchantment Rarity: Rare Cost: {3}{B}{B} Whenever a creature dies

Siren's Call [Beta Edition] Standardbrawl you may sacrifice an artifactSet: 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.