Siren's Call (Retro) [30th Anniversary Edition] H18 Set: Legends Type: Instant Rarity:

Set: Legends Type: Instant Rarity: Common Cost: {G} Counter target instant or Aura spell that targets a permanent you control

With one side a grey PU material

Set: Ixalan Prerelease Promos Type: Creature — Dinosaur Avatar Rarity: Rare Cost: {5}{G}{G} Whenever Verdant Sun's Avatar or another creature enters the battlefield under your control

Set: Diamond & Pearl: Black Star Promos Type: Metal Rarity: Black Star Promo Retreat cost: Colorless

Set: Kaladesh Inventions Type: Artifact — Equipment Rarity: Mythic Cost: {2} Equipped creature has haste and shroud

Siren's Call (Retro) [30th Anniversary Edition] H18 Set: Legends Type: Instant Rarity:Set: 30th Anniversary 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.