Most played cards in UB Control:

5 Decks
Sunken Hollow
20 copies - 4 average
Choked Estuary
16 copies - 3.2 average
Languish
16 copies - 3.2 average
Anticipate
14 copies - 2.8 average
Grasp of Darkness
14 copies - 2.8 average
Negate
12 copies - 2.4 average
Ultimate Price
10 copies - 2 average
Dragonlord Silumgar
9 copies - 1.8 average
Jace, Vryn's Prodigy
9 copies - 1.8 average
Ob Nixilis Reignited
7 copies - 1.4 average
Blighted Fen
7 copies - 1.4 average
Kalitas, Traitor of Ghet
6 copies - 1.2 average
Ruinous Path
6 copies - 1.2 average
Transgress the Mind
5 copies - 1 average
Silumgar's Command
5 copies - 1 average
Nagging Thoughts
4 copies - 0.8 average
Dragonlord Ojutai
4 copies - 0.8 average
Void Shatter
4 copies - 0.8 average
Pitiless Horde
4 copies - 0.8 average
Part the Waterveil
4 copies - 0.8 average