Demonlord Belzenlok {4}{B}{B}
Legendary Creature — Elder Demon
Flying, trample
When Demonlord Belzenlok enters, exile cards from the top of your library until you exile a nonland card, then put that card into your hand. If the card's mana value is 4 or greater, repeat this process. Demonlord Belzenlok deals 1 damage to you for each card put into your hand this way.
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Cards that do something similar expected a card that isn't here?
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Hugs, Grisly Guardian 81%
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"When this card enters, exile the top X cards of your library. Until the end of your next turn, you may play those cards."