Hellkite Tyrant is a mythic Creature — Dragon card from Gatecrash (GTC), collector number 94. Current market price: $5.91 (foil $13.01), TCGplayer market prices via Scryfall.
Flying, trample Whenever this creature deals combat damage to a player, gain control of all artifacts that player controls. At the beginning of your upkeep, if you control twenty or more artifacts, you win the game.