Most played cards in Steel Artifact:

1 Decks
Vault Skirge
4 copies - 4 average
Memnite
4 copies - 4 average
Hex Parasite
4 copies - 4 average
Master of Etherium
4 copies - 4 average
Tempered Steel
4 copies - 4 average
Steel Overseer
4 copies - 4 average
Ornithopter
4 copies - 4 average
Etched Champion
4 copies - 4 average
Darkslick Shores
4 copies - 4 average
Signal Pest
4 copies - 4 average
Marsh Flats
4 copies - 4 average
Seachrome Coast
4 copies - 4 average
Tidehollow Sculler
4 copies - 4 average
Dispatch
3 copies - 3 average
Leonin Arbiter
3 copies - 3 average
Tezzeret, Agent of Bolas
3 copies - 3 average
Mox Opal
3 copies - 3 average
Celestial Purge
2 copies - 2 average
Act of Aggression
2 copies - 2 average
Ranger of Eos
2 copies - 2 average