Spell Swindle 
Instant
Counter target spell. Create X Treasure tokens, where X is that spell's mana value. (They're artifacts with "
, Sacrifice this token: Add one mana of any color.")
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL