Most played cards in UB Forgemaster:

2 Decks
Darkslick Shores
8 copies - 4 average
Sphere of the Suns
8 copies - 4 average
Stoic Rebuttal
7 copies - 3.5 average
Tezzeret, Agent of Bolas
7 copies - 3.5 average
Kuldotha Forgemaster
7 copies - 3.5 average
Steel Sabotage
6 copies - 3 average
Ratchet Bomb
6 copies - 3 average
Go for the Throat
6 copies - 3 average
Mox Opal
5 copies - 2.5 average
Black Sun's Zenith
4 copies - 2 average
Halt Order
4 copies - 2 average
Memnite
4 copies - 2 average
Wurmcoil Engine
4 copies - 2 average
Carnifex Demon
4 copies - 2 average
Tumble Magnet
3 copies - 1.5 average
Memoricide
3 copies - 1.5 average
Grasp of Darkness
3 copies - 1.5 average
Trinket Mage
3 copies - 1.5 average
Nihil Spellbomb
2 copies - 1 average
Silver Myr
2 copies - 1 average