Altar of Bhaal {1}{B}
Artifact
{2}{B}, {T}, Exile a creature you control: Return target creature card from your graveyard to the battlefield. Activate only as a sorcery.
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Bone Offering {2}{B}
Sorcery — Adventure
Create a tapped 4/1 black Skeleton creature token with menace. (Then exile this card. You may cast the artifact later from exile.)