Dragonlord Kolaghan is a mythic Legendary Creature — Elder Dragon card from Dragons of Tarkir Promos (PDTK), collector number 218s. Current market price: — (foil $11.98), TCGplayer market prices via Scryfall.
Flying, haste Other creatures you control have haste. Whenever an opponent casts a creature or planeswalker spell with the same name as a card in their graveyard, that player loses 10 life.