Demonic Covenant

#19 - Duskmourn: House of Horror Commander - [DSC]
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Whenever one or more Demons you control attack a player, you draw a card and lose 1 life.
At the beginning of your end step, create a 5/5 black Demon creature token with flying, then mill two cards. If two cards that share all their card types were milled this way, sacrifice Demonic Covenant.

DSC · EN LA Draws