Whenever a nontoken creature an opponent controls dies, you may pay 1. If you do, return that card to the battlefield tapped under your control. It's a Treasure artifact with "T, Sacrifice this artifact: Add one mana of any color," and it loses all other card types.
NM-Mint Foil - $4.70
Lightly Played Foil - $4.20
Moderately Played Foil - $3.80
Heavily Played Foil - $3.30
Damaged Foil - $2.40
NM-Mint Foil Non English - $4.70
Lightly Played Foil Non English - $4.20
Moderately Played Foil Non English - $3.80
Heavily Played Foil Non English - $3.30
Damaged Foil Non English - $2.40