Tempered Steel

Artifact creatures you control get +2/+2.

"Death shall prevail as long as our will falls to rust. May necessity anneal our resolve."
—Ghalma the Shaper

The Brothers' War Commander

Double Masters

Historic Anthology 3

Magic Online Promos

DCI Promos

Because damage remains marked on a creature until the damage is removed as the turn ends, nonlethal damage dealt to artifact creatures you control may become lethal if Tempered Steel leaves the battlefield during that turn.