War of the Spark

Nahiri, Storm of Stone | Legendary Planeswalker | Nahiri | As long as it's your turn, creatures you control have first strike and equip abilities you activate cost {1} less to activate. −X: Nahiri, Storm of Stone deals X damage to target tapped creature. | Aleksi Briclot

Ral, Storm Conduit | Legendary Planeswalker | Ral | Whenever you cast or copy an instant or sorcery spell, Ral, Storm Conduit deals 1 damage to target opponent or planeswalker. +2: Scry 1. −2: When you cast your next instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy. | Wesley Burt

Saheeli, Sublime Artificer | Legendary Planeswalker | Saheeli | Whenever you cast a noncreature spell, create a 1/1 colorless Servo artifact creature token. −2: Target artifact you control becomes a copy of another target artifact or creature you control until end of turn, except it's an artifact in addition to its other types. | Wesley Burt

Angrath, Captain of Chaos | Legendary Planeswalker | Angrath | Creatures you control have menace. −2: 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.) | Slawomir Maniak

Domri, Anarch of Bolas | Legendary Planeswalker | Domri | Creatures you control get +1/+0. +1: Add {R} or {G}. Creature spells you cast this turn can't be countered. −2: Target creature you control fights target creature you don't control. | Raymond Swanland

Samut, Tyrant Smasher | Legendary Planeswalker | Samut | Creatures you control have haste. −1: Target creature gets +2/+1 and gains haste until end of turn. Scry 1. | Aleksi Briclot

Nicol Bolas, Dragon-God | Legendary Planeswalker | Bolas | Nicol Bolas, Dragon-God has all loyalty abilities of all other planeswalkers on the battlefield. +1: You draw a card. Each opponent exiles a card from their hand or a permanent they control. −3: Destroy target creature or planeswalker. −8: Each opponent who doesn't control a legendary creature or planeswalker loses the game. | Raymond Swanland