Alton Valentine, The Legendary

Reach, First Strike

Whenever Alton Valentine enters the battlefield, for each opponent, create an enchantment token named ''Hunter's
Mark'' enchanting a creature under that
player's control.

We can use that ! — Whenever an enchanted creature under an opponent's control dies, you may pay {1}{g/w}. If you do, draw a card and put a +1/+1 counter on Alton Valentine