Ravnica Allegiance

Justiciar's Portal | Instant | | Exile target creature you control, then return that card to the battlefield under its owner's control. It gains first strike until end of turn. | Micah Epstein

Summary Judgment | Instant | | Summary Judgment deals 3 damage to target tapped creature. Addendum — If you cast this spell during your main phase, it deals 5 damage instead. | Deruchenko Alexander

Quench | Instant | | Counter target spell unless its controller pays {2}. | Jason Rainville

Bladebrand | Instant | | Target creature gains deathtouch until end of turn. Draw a card. | Winona Nelson

Scorchmark | Instant | | Scorchmark deals 2 damage to target creature. If that creature would die this turn, exile it instead. | Jason Felix

Gift of Strength | Instant | | Target creature gets +3/+3 and gains reach until end of turn. | Lius Lasahido

Root Snare | Instant | | Prevent all combat damage that would be dealt this turn. | Craig J Spearing

Titanic Brawl | Instant | | This spell costs {1} less to cast if it targets a creature you control with a +1/+1 counter on it. Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.) | Svetlin Velinov

Final Payment | Instant | | As an additional cost to cast this spell, pay 5 life or sacrifice a creature or enchantment. Destroy target creature. | Victor Adame Minguez

Applied Biomancy | Instant | | Choose one or both — • Target creature gets +1/+1 until end of turn. • Return target creature to its owner's hand. | Sidharth Chaturvedi

Growth Spiral | Instant | | Draw a card. You may put a land card from your hand onto the battlefield. | Seb McKinnon