Hammer Mage 
Creature — Human Spellshaper
, 
, Discard a card: Destroy all artifacts with mana value X or less.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL
Creature — Human Spellshaper
, , Discard a card: Destroy all artifacts with mana value X or less.