Confiscation Coup 
Sorcery
Choose target artifact or creature. You get 
(four energy counters), then you may pay an amount of equal to that permanent's mana value. If you do, gain control of it.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL