Ezuri, Claw of Progress is a mythic Legendary Creature — Phyrexian Elf Warrior card from Commander 2015 Oversized (OC15), collector number 44. Current market price: — (foil $1.90), TCGplayer market prices via Scryfall.
Whenever a creature you control with power 2 or less enters, you get an experience counter. At the beginning of combat on your turn, put X +1/+1 counters on another target creature you control, where X is the number of experience counters you have.