Dragonlord Atarka is a mythic Legendary Creature — Elder Dragon card from 30th Anniversary Play Promos (P30A), collector number 23. Current market price: — (foil $15.72), TCGplayer market prices via Scryfall.
Flying, trample When Dragonlord Atarka enters, it deals 5 damage divided as you choose among any number of target creatures and/or planeswalkers your opponents control.