Zôrzagar, the Monstrous

Flying, haste
Zôrzagar, the Monstrous has hexproof as long as it entered this turn.
Whenever one or more Dragons you control deal combat damage to a player or battle, 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. You may return one of those Dragons to its owner's hand.