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

tcgplayer 2.82

cardmarket 1.13

cardkingdom 3.49

cardsphere 4

manapool 2.52