Most played cards in Urzatron Robots:

1 Decks
Urza's Tower
4 copies - 4 average
Strip Mine
4 copies - 4 average
Mishra's Workshop
4 copies - 4 average
Triskelion
4 copies - 4 average
Urza's Mine
4 copies - 4 average
Mishra's Factory
4 copies - 4 average
Urza's Power Plant
4 copies - 4 average
Su-Chi
4 copies - 4 average
Icy Manipulator
4 copies - 4 average
Relic Barrier
4 copies - 4 average
Tetravus
4 copies - 4 average
Howling Mine
4 copies - 4 average
Black Vise
3 copies - 3 average
Disrupting Scepter
3 copies - 3 average
Winter Orb
3 copies - 3 average
Nevinyrral's Disk
3 copies - 3 average
City in a Bottle
2 copies - 2 average
Tawnos's Coffin
2 copies - 2 average
Ring of Immortals
2 copies - 2 average
Rocket Launcher
2 copies - 2 average