Argentum Armor

Artifact — Equipment - (rare)

Equipped creature gets +6/+6.
Whenever equipped creature attacks, destroy target permanent.
Equip 

Mirrodin's creator still lives, still shapes metal, and still commands world-shaking power.

Price

cardsphere 0.72

tcgplayer 0.78

cardmarket 0.05

cardkingdom 1.49