Through the Breach (Invocation) [Amonkhet Invocations] Swamp Mountain Water is always true

Water is always true

and finally the Hour of Eternity

defender of its creatures

They only specify the consequences should you fail

that player sacrifices it

Through the Breach (Invocation) [Amonkhet Invocations] Swamp Mountain Water is always trueSet: Amonkhet Invocations Type: Instant Arcane Rarity: Mythic Cost: {4}{R} You may put a creature card from your hand onto the battlefield. That creature gains haste. Sacrifice that creature at the beginning of the next end step. Splice onto Arcane {2}{R}{R} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)