Most played cards in Artifacts Control:

1 Decks
Volcanic Island
4 copies - 4 average
Counterspell
4 copies - 4 average
Red Elemental Blast
4 copies - 4 average
Mishra's Factory
4 copies - 4 average
Su-Chi
3 copies - 3 average
Fellwar Stone
3 copies - 3 average
Sage of Lat-Nam
3 copies - 3 average
Underground Sea
3 copies - 3 average
Gloom
3 copies - 3 average
Howling Mine
2 copies - 2 average
Mirror Universe
2 copies - 2 average
Relic Barrier
2 copies - 2 average
Winter Orb
2 copies - 2 average
Transmute Artifact
2 copies - 2 average
Maze of Ith
2 copies - 2 average
Mana Vault
2 copies - 2 average
City in a Bottle
2 copies - 2 average
Guardian Beast
2 copies - 2 average
Black Lotus
1 copies - 1 average
Timetwister
1 copies - 1 average