Oko, Thief of Crowns

Legendary Planeswalker — Oko

[+2]: Create a Food token. (It's an artifact with ", , Sacrifice this token: You gain 3 life.") [+1]: Target artifact or creature loses all abilities and becomes a green Elk creature with base power and toughness 3/3. [−5]: Exchange control of target artifact or creature you control and target creature an opponent controls with power 3 or less.