Through the Breach (Invocation) [Amonkhet Invocations] Dragon Spirit Sacrifice a creature: Skirsdag Cultist

Sacrifice a creature: Skirsdag Cultist deals 2 damage to any target

Exile all nonland permanents that aren't legendary

or the smell

Set: Modern Masters 2015 Type: Creature — Elemental Rarity: Rare Cost: {1}{B}{B} Wither (This deals damage to creatures in the form of -1/-1 counters

"If nothing else

Through the Breach (Invocation) [Amonkhet Invocations] Dragon Spirit Sacrifice a creature: Skirsdag CultistSet: 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.)