Stifle (Invocation) [Amonkhet Invocations] SH2 (It can't be blocked as

(It can't be blocked as long as defending player controls a Mountain

Set: Alpha Edition Type: Artifact Rarity: Rare Cost: {2} {X}: You may choose a creature card in your hand whose mana cost could be paid by some amount of

That land is a Swamp for as long as it has a mire counter on it

Set: Aquapolis Type: Grass Rarity: Rare Retreat cost: Colorless

Set: Unlimited Edition Type: Sorcery Rarity: Uncommon Cost: {2}{G} Destroy target land

Stifle (Invocation) [Amonkhet Invocations] SH2 (It can't be blocked asSet: Amonkhet Invocations Type: Instant Rarity: Mythic Cost: {U} Counter target activated or triggered ability. (Mana abilities can't be targeted.)