Forbid (Invocation) [Amonkhet Invocations] Atog you may activate one of

you may activate one of its loyalty abilities once this turn as though none of its loyalty abilities have been activated this turn

defending player can't cast spells this turn

who did in Alrok

As Steam Vents enters the battlefield

Set: Amonkhet Invocations Type: Instant Rarity: Mythic Cost: {U} Change the target of target spell with a single target unless that spell's controller pays {2}

Forbid (Invocation) [Amonkhet Invocations] Atog you may activate one ofSet: Amonkhet Invocations Type: Instant Rarity: Mythic Cost: {1}{U}{U} BuybackDiscard two cards. (You may discard two cards in addition to any other costs as you cast this spell. If you do, put this card into your hand as it resolves.) Counter target spell.