Most played cards in UB Control:

3 Decks
Counterspell
12 copies - 4 average
Duress
12 copies - 4 average
Polluted Delta
12 copies - 4 average
Force Spike
11 copies - 3.67 average
Undermine
11 copies - 3.67 average
Impulse
8 copies - 2.67 average
Mishra's Factory
8 copies - 2.67 average
Standstill
8 copies - 2.67 average
Smother
8 copies - 2.67 average
Wasteland
6 copies - 2 average
Underground River
6 copies - 2 average
Chill
6 copies - 2 average
Voidmage Prodigy
6 copies - 2 average
Innocent Blood
4 copies - 1.33 average
Salt Marsh
4 copies - 1.33 average
Hydroblast
4 copies - 1.33 average
Tormod's Crypt
4 copies - 1.33 average
Powder Keg
4 copies - 1.33 average
Engineered Plague
4 copies - 1.33 average
Decree of Pain
4 copies - 1.33 average