Transcendent Dragon is a rare Creature — Dragon card from Tarkir: Dragonstorm Commander (TDC), collector number 62. Current market price: $1.43, TCGplayer market prices via Scryfall.
Flash Flying When this creature enters, if you cast it, counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard, then you may cast it without paying its mana cost.