Siren's Call [Beta Edition] Oath of the Gatewatch Prerelease Promos {2}{R}: Creatures you control get

{2}{R}: Creatures you control get +1/+0 until end of turn

draw X cards

{T}: Destroy target black permanent

Set: Kaladesh Inventions Type: Artifact Rarity: Mythic Cost: {1} As Black Vise enters the battlefield

Auntie's Hovel enters the battlefield tapped

Siren's Call [Beta Edition] Oath of the Gatewatch Prerelease Promos {2}{R}: Creatures you control getSet: 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.