Rage Extractor 
Artifact
( can be paid with either 
or 2 life.)
Whenever you cast a spell with 
in its mana cost, this artifact deals damage equal to that spell's mana value to any target.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL