Dragonlord Ojutai is a mythic Legendary Creature — Elder Dragon card from Dragons of Tarkir (DTK), collector number 219. Current market price: $0.82 (foil $14.77), TCGplayer market prices via Scryfall.
Flying Dragonlord Ojutai has hexproof as long as it's untapped. Whenever Dragonlord Ojutai deals combat damage to a player, look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.