Strike It Rich 
Sorcery
Create a Treasure token. (It's an artifact with "
, Sacrifice this token: Add one mana of any color.")
Flashback 
(You may cast this card from your graveyard for its flashback cost. Then exile it.)
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL