Siren's Call [Beta Edition] Amonkhet Invocations Counter target spell

Counter target spell

Set: Kaladesh Inventions Type: Artifact Creature — Thopter Rarity: Mythic Cost: {0} Flying

Set: Unlimited Edition Type: Creature — Gargoyle Rarity: Rare Cost: {2}{R} Flying

They're still lands

" —The Underworld Cookbook

Siren's Call [Beta Edition] Amonkhet Invocations Counter target spellSet: 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.