Chimeric Mass
Artifact
This artifact enters with X charge counters on it.
: Until end of turn, this artifact becomes a Construct artifact creature with "This creature's power and toughness are each equal to the number of charge counters on it."
Printings & Conditions (2)
Modern Masters 2015 (MM2)(Modern Masters 2015)#204Rare
Scars of Mirrodin (SOM)(Scars of Mirrodin)#141Rare