Jewel Thief 
Creature — Cat Rogue
Vigilance, trample
When this creature enters, create a Treasure token. (It's an artifact with "
, Sacrifice this token: Add one mana of any color.")
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL