Extractor Demon [Commander Anthology] Kithkin or a 1/6 Wall artifact

or a 1/6 Wall artifact creature with defender in addition to its other types

that creature deals that damage to itself instead

create a 4/4 red Bird creature token with flying at the beginning of the next end step

lest it decide not to let you leave

Extractor Demon [Commander Anthology] Kithkin or a 1/6 Wall artifactSet: Commander Anthology Type: Creature Demon Rarity: Rare Cost: {4}{B}{B} 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.)