Karrthus, Tyrant of Jund is a mythic Legendary Creature — Dragon card from Commander's Arsenal Oversized (OCM1), collector number 7. Current market price: — (foil $10.47), TCGplayer market prices via Scryfall.
Flying, haste When Karrthus enters, gain control of all Dragons, then untap all Dragons. Other Dragon creatures you control have haste.