Tibalt, the Fiend-Blooded is a mythic Legendary Planeswalker — Tibalt card from Avacyn Restored (AVR), collector number 161. Current market price: $0.77 (foil $6.58), TCGplayer market prices via Scryfall.
+1: Draw a card, then discard a card at random. −4: Tibalt deals damage equal to the number of cards in target player's hand to that player. −6: Gain control of all creatures until end of turn. Untap them. They gain haste until end of turn.