War of the Spark

Battlefield Promotion | Instant | | Put a +1/+1 counter on target creature. That creature gains first strike until end of turn. You gain 2 life. | Scott Murphy

Divine Arrow | Instant | | Divine Arrow deals 4 damage to target attacking or blocking creature. | Kieran Yanner

Teferi's Time Twist | Instant | | Exile target permanent you control. Return that card to the battlefield under its owner's control at the beginning of the next end step. If it enters the battlefield as a creature, it enters with an additional +1/+1 counter on it. | Ralph Horsley

Sorin's Thirst | Instant | | Sorin's Thirst deals 2 damage to target creature and you gain 2 life. | Daarken

Unlikely Aid | Instant | | Target creature gets +2/+0 and gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.) | Viktor Titov

Chandra's Pyrohelix | Instant | | Chandra's Pyrohelix deals 2 damage divided as you choose among one or two targets. | Aleksi Briclot

Heartfire | Instant | | As an additional cost to cast this spell, sacrifice a creature or planeswalker. Heartfire deals 4 damage to any target. | Craig J Spearing

Jaya's Greeting | Instant | | Jaya's Greeting deals 3 damage to target creature. Scry 1. | Victor Adame Minguez

Nahiri's Stoneblades | Instant | | Up to two target creatures each get +2/+0 until end of turn. | Micah Epstein

Forced Landing | Instant | | Put target creature with flying on the bottom of its owner's library. | Svetlin Velinov

Return to Nature | Instant | | Choose one — • Destroy target artifact. • Destroy target enchantment. • Exile target card from a graveyard. | Alayna Danner

Steady Aim | Instant | | Untap target creature. It gets +1/+4 and gains reach until end of turn. | Ralph Horsley