Revali, Zephyr Rider

Flying, Vigilance
Hunter's Mark — {1}{w/u}, {t}: Put a bounty counter
on target creature an opponent controls.
Homing Arrow — {w}{u}, {t}: Revali, Zephyr Rider
deals 4 damage to target creature with a bounty counter on it. If that creature dies this way, draw
a card and put a +1/+1 counter on Revali.