A-Buy Your Silence 
Instant
Exile target nonland permanent. Its controller creates a Treasure token. (It's an artifact with "
, Sacrifice this artifact: Add one mana of any color.")
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyNOT LEGALvintageNOT LEGALcommanderNOT LEGAL