War of the Spark

Heartwarming Redemption | Instant | | Discard all the cards in your hand, then draw that many cards plus one. You gain life equal to the number of cards in your hand. | Howard Lyon

Solar Blaze | Sorcery | | Each creature deals damage to itself equal to its power. | Adam Paquette

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

Ral's Outburst | Instant | | Ral's Outburst deals 3 damage to any target. Look at the top two cards of your library. Put one of them into your hand and the other into your graveyard. | Joseph Meehan

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

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

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