Tibalt, the Fiend-Blooded is a mythic Legendary Planeswalker — Tibalt card from Secret Lair Drop (SLD), collector number 537. Current market price: $7.58, 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.