Burst Lightning (Flexible 2 or 4 damage) or Impractical Joke (Creature/planeswalker burn). Green: Knockout Maneuver (Counters and a punch effect).
Secrets of Strixhaven Draft Guide, Archetype Overview, and Pick Order [S5E13] Hot Tempers and Cold Feet
Prioritize efficient interaction to manage the board while triggering your own synergies: Burst Lightning (Flexible 2 or 4 damage) or
A 2/2 menace creature that gains counters via Repartee and moves them to others upon death. [S5E13] Hot Tempers and Cold Feet
Stand Up For Yourself (Destroy creature with power 3 or greater).
Foolish Fate (Conditional creature destruction) or Bitter Triumph (Planeswalker/creature destruction at a cost).