Doombot Harbinger is a uncommon Artifact Creature — Robot Villain card from Marvel Super Heroes Commander (MSC), collector number 655. Current market price: $0.37 (foil $2.50), TCGplayer market prices via Scryfall.
Flying When this creature enters, you may mill four cards. (You may put the top four cards of your library into your graveyard.) When this creature dies, you may exile this card. When you do, return target creature card from your graveyard to your hand.