Most played cards in Artifact Aggro:

3 Decks
Triskelion
11 copies - 3.67 average
Mishra's Factory
10 copies - 3.33 average
Su-Chi
10 copies - 3.33 average
Strip Mine
9 copies - 3 average
Lightning Bolt
8 copies - 2.67 average
Mishra's Workshop
8 copies - 2.67 average
Juggernaut
7 copies - 2.33 average
City in a Bottle
7 copies - 2.33 average
Mana Vault
7 copies - 2.33 average
Red Elemental Blast
7 copies - 2.33 average
Copy Artifact
6 copies - 2 average
Relic Barrier
6 copies - 2 average
Tetravus
6 copies - 2 average
Atog
5 copies - 1.67 average
Shatter
5 copies - 1.67 average
Howling Mine
4 copies - 1.33 average
Sage of Lat-Nam
4 copies - 1.33 average
Volcanic Island
4 copies - 1.33 average
City of Brass
4 copies - 1.33 average
Tundra
4 copies - 1.33 average