
Flying
Whenever another creature leaves the battlefield, you may have target player mill two cards.
Unearth {2}{B} ({2}{B}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)
Extractor Demon has 7 printings, first in Conflux (2009). EDHREC ranks it #17,035 among Commander cards. It appears most in Bob, Reluctant HYDRA Agent decks (14 on EDHREC). 4 public decks on TCG run it. It has 2 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.