
Artifact creatures you control get +2/+2.
Tempered Steel has 8 printings, first in Scars of Mirrodin (2010). EDHREC ranks it #3,755 among Commander cards. It appears most in Urtet, Remnant of Memnarch decks (5,783 on EDHREC). 2 public decks on TCG run it. It has 1 official ruling.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.