Jace, Unraveler of Secrets is a mythic Legendary Planeswalker — Jace card from Secret Lair Drop (SLD), collector number 1590. Current market price: $3.49, 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."