Nilah vs Varus

Cast Jubilant Veil (W) when the enemy ADC starts a trade: you dodge their autos, and each ally you touch gains the same effect.

Last-hit minions yourself: Joy Unending (passive) gives you more XP when you're the one who kills them.

Hit an enemy, minions included, with Formless Blade (Q) before your autos: you gain range and attack speed, and your autos hit in a cone.

Use Slipstream (E) to reach your target: the dash goes through a unit, minions included, and damages enemies in its path.

Cast Apotheosis (R) when your support has grouped enemies around you: the final strike pulls them toward you, and the spell heals you and nearby allies.

Back off after taking a few autos: each one applies a Blight stack from Blighted Quiver (W), and his spells detonate them for damage based on your max health.

If you can engage, go in while he charges Piercing Arrow (Q): charging slows him, and he has no dash to escape.

Get out of the Hail of Arrows (E) zone fast: the desecrated ground slows you and reduces the healing you receive.

When an ally is caught by Chain of Corruption (R), move away from them fast: the corruption spreads to nearby champions, but dies out if you get far enough in time.