Gladheim Forge-Master

Repurpose- {2}{r}, {t}: Sacrifice an artifact, create
an X/X colorless Construct artifact creature
token, where X the sacrificed artifact's converted
mana cost.
Sacrifice Gladheim Forge-Master: Target any
number of artifacts in your graveyard whose
total converted mana cost is X or less, where
X is this creature's converted mana cost.
Return those artifacts to the battlefield tapped.