Hunter's Mark - Adventures in the Forgotten Realms - 188

Instant

Mana Cost: {3}{G}

This spell costs {3} less to cast if it targets a blue permanent you don't control.
This spell can't be countered.
Target creature you control gets +1/+1 until end of turn. Then it deals damage equal to its power to target creature or planeswalker you don't control.

Uncommon · Adventures in the Forgotten Realms · #188 (AFR)

Illustrated by Izzy