Chaos Maw | Creature | Hellion | When Chaos Maw enters the battlefield, it deals 3 damage to each other creature. | Steve Argyle
Earthshaker Khenra | Creature | Jackal Warrior | Haste
When Earthshaker Khenra enters the battlefield, target creature with power less than or equal to Earthshaker Khenra's power can't block this turn.
Eternalize {4}{R}{R} ({4}{R}{R}, Exile this card from your graveyard: Create a token that's a copy of it, except it's a 4/4 black Zombie Jackal Warrior with no mana cost. Eternalize only as a sorcery.) | Jason A. Engle
Hazoret's Undying Fury | Sorcery | | Shuffle your library, then exile the top four cards. You may cast any number of spells with mana value 5 or less from among them without paying their mana costs. Lands you control don't untap during your next untap step. | Victor Adame Minguez
Hour of Devastation | Sorcery | | All creatures lose indestructible until end of turn. Hour of Devastation deals 5 damage to each creature and each non-Bolas planeswalker. | Simon Dominic
Imminent Doom | Enchantment | | Imminent Doom enters the battlefield with a doom counter on it.
Whenever you cast a spell with mana value equal to the number of doom counters on Imminent Doom, Imminent Doom deals that much damage to any target. Then put a doom counter on Imminent Doom. | Daniel Ljunggren
Wildfire Eternal | Creature | Zombie Jackal Cleric | Afflict 4 (Whenever this creature becomes blocked, defending player loses 4 life.)
Whenever Wildfire Eternal attacks and isn't blocked, you may cast an instant or sorcery spell from your hand without paying its mana cost. | Magali Villeneuve
Leave // Chance | Instant // Sorcery | | Return any number of target permanents you own to your hand. // Aftermath (Cast this spell only from your graveyard. Then exile it.)
Discard any number of cards, then draw that many cards. | Dan Murayama Scott
Refuse | Instant | | Refuse deals damage to target spell's controller equal to that spell's mana value. | Yongjae Choi