War of the Spark

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

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

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

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