Jace, Cunning Castaway is a mythic Legendary Planeswalker — Jace card from Ixalan (XLN), collector number 60. Current market price: $10.71 (foil $22.10), TCGplayer market prices via Scryfall.
+1: Whenever one or more creatures you control deal combat damage to a player this turn, draw a card, then discard a card. −2: Create a 2/2 blue Illusion creature token with "When this token becomes the target of a spell, sacrifice it." −5: Create two tokens that are copies of Jace, except they're not legendary.