War of the Spark

Bolas's Citadel | Legendary Artifact | | You may look at the top card of your library any time. You may play lands and cast spells from the top of your library. If you cast a spell this way, pay life equal to its mana value rather than pay its mana cost. {T}, Sacrifice ten nonland permanents: Each opponent loses 10 life. | Jonas De Ro

Command the Dreadhorde | Sorcery | | Choose any number of target creature and/or planeswalker cards in graveyards. Command the Dreadhorde deals damage to you equal to the total mana value of those cards. Put them onto the battlefield under your control. | Daarken

Deliver Unto Evil | Sorcery | | Choose up to four target cards in your graveyard. If you control a Bolas planeswalker, return those cards to your hand. Otherwise, an opponent chooses two of them. Leave the chosen cards in your graveyard and put the rest into your hand. Exile Deliver Unto Evil. | Seb McKinnon

Dreadhorde Invasion | Enchantment | | At the beginning of your upkeep, you lose 1 life and amass 1. (Put a +1/+1 counter on an Army you control. If you don't control one, create a 0/0 black Zombie Army creature token first.) Whenever a Zombie token you control with power 6 or greater attacks, it gains lifelink until end of turn. | Stanton Feng

The Elderspell | Sorcery | | Destroy any number of target planeswalkers. Choose a planeswalker you control. Put two loyalty counters on it for each planeswalker destroyed this way. | Daarken

Massacre Girl | Legendary Creature | Human Assassin | Menace When Massacre Girl enters the battlefield, each other creature gets -1/-1 until end of turn. Whenever a creature dies this turn, each creature other than Massacre Girl gets -1/-1 until end of turn. | Chris Rallis

Oath of Kaya | Legendary Enchantment | | When Oath of Kaya enters the battlefield, it deals 3 damage to any target and you gain 3 life. Whenever an opponent attacks a planeswalker you control with one or more creatures, Oath of Kaya deals 2 damage to that player and you gain 2 life. | Wesley Burt

Sorin, Vengeful Bloodlord | Legendary Planeswalker | Sorin | As long as it's your turn, creatures and planeswalkers you control have lifelink. +2: Sorin, Vengeful Bloodlord deals 1 damage to target player or planeswalker. −X: Return target creature card with mana value X from your graveyard to the battlefield. That creature is a Vampire in addition to its other types. | Tommy Arnold

Enter the God-Eternals | Sorcery | | Enter the God-Eternals deals 4 damage to target creature and you gain life equal to the damage dealt this way. Target player mills four cards. Amass 4. (Put four +1/+1 counters on an Army you control. If you don't control one, create a 0/0 black Zombie Army creature token first.) | Daniel Ljunggren

Soul Diviner | Creature | Zombie Wizard | {T}, Remove a counter from an artifact, creature, land, or planeswalker you control: Draw a card. | Randy Vargas

Dreadhorde Butcher | Creature | Zombie Warrior | Haste Whenever Dreadhorde Butcher deals combat damage to a player or planeswalker, put a +1/+1 counter on Dreadhorde Butcher. When Dreadhorde Butcher dies, it deals damage equal to its power to any target. | Piotr Dura

Widespread Brutality | Sorcery | | Amass 2, then the Army you amassed deals damage equal to its power to each non-Army creature. (To amass 2, put two +1/+1 counters on an Army you control. If you don't control one, create a 0/0 black Zombie Army creature token first.) | Victor Adame Minguez

Casualties of War | Sorcery | | Choose one or more — • Destroy target artifact. • Destroy target creature. • Destroy target enchantment. • Destroy target land. • Destroy target planeswalker. | Tomasz Jedruszek

Storrev, Devkarin Lich | Legendary Creature | Zombie Elf Wizard | Trample Whenever Storrev, Devkarin Lich deals combat damage to a player or planeswalker, return to your hand target creature or planeswalker card in your graveyard that wasn't put there this combat. | Igor Kieryluk