Jace, the Perfected Mind is a mythic Legendary Planeswalker — Jace card from Phyrexia: All Will Be One (ONE), collector number 57. Current market price: $3.24 (foil $3.40), TCGplayer market prices via Scryfall.
Compleated ({U/P} can be paid with {U} or 2 life. If life was paid, this planeswalker enters with two fewer loyalty counters.) +1: Until your next turn, up to one target creature gets -3/-0. −2: Target player mills three cards. Then if a graveyard has twenty or more cards in it, you draw three cards. Otherwise, you draw a card. −X: Target player mills three times X cards.