Oko, Thief of Crowns is a mythic Legendary Planeswalker — Oko card from Throne of Eldraine Promos (PELD), collector number 197p. Current market price: $12.67 (foil $13.85), TCGplayer market prices via Scryfall.
+2: Create a Food token. (It's an artifact with "{2}, {T}, 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.