Lukka, Coppercoat Outcast is a mythic Legendary Planeswalker — Lukka card from The List (PLST), collector number IKO-125. Current market price: $0.94, TCGplayer market prices via Scryfall.
+1: Exile the top three cards of your library. Creature cards exiled this way gain "You may cast this card from exile as long as you control a Lukka planeswalker." −2: Exile target creature you control, then reveal cards from the top of your library until you reveal a creature card with greater mana value. Put that card onto the battlefield and the rest on the bottom of your library in a random order. −7: Each creature you control deals damage equal to its power to each opponent.