Jace, Unraveler of Secrets is a mythic Legendary Planeswalker — Jace card from San Diego Comic-Con 2016 (PS16), collector number 69. Current market price: — (foil $23.61), TCGplayer market prices via Scryfall.
+1: Scry 1, then draw a card. −2: Return target creature to its owner's hand. −8: You get an emblem with "Whenever an opponent casts their first spell each turn, counter that spell."