Dovin Baan is a mythic Legendary Planeswalker — Dovin card from Kaladesh (KLD), collector number 179. Current market price: $0.98 (foil $1.60), TCGplayer market prices via Scryfall.
+1: Until your next turn, up to one target creature gets -3/-0 and its activated abilities can't be activated. −1: You gain 2 life and draw a card. −7: You get an emblem with "Your opponents can't untap more than two permanents during their untap steps."