Dragonhawk, Fate's Tempest (Promo Pack) [Bloomburrow Promos]

Flying
Dragonhawk enters or attacks, exiles the top X cards of your library, where X is the number of creatures you control with power 4 or greater. You can play those cards until your next end step. At the beginning of your next end step, Dragonhawk deals 2 damage to each opponent for each of those cards that are still exiled.