Most played cards in UB Control:

2 Decks
 ↓ Polluted Delta
8 copies – 4 avg
↓ Counterspell
8 copies – 4 avg
↓ Duress
7 copies – 3.5 avg
↓ Smother
6 copies – 3 avg
↓ Annul
6 copies – 3 avg
↓ Faerie Conclave
5 copies – 2.5 avg
↓ Chill
4 copies – 2 avg
↓ Impulse
4 copies – 2 avg
↓ Underground River
4 copies – 2 avg
↓ Accumulated Knowledge
4 copies – 2 avg
↓ Engineered Plague
3 copies – 1.5 avg
↓ Blue Elemental Blast
3 copies – 1.5 avg
↓ Tainted Isle
3 copies – 1.5 avg
↓ Mishra's Factory
3 copies – 1.5 avg
↓ Shadowmage Infiltrator
3 copies – 1.5 avg
↓ Mana Leak
3 copies – 1.5 avg
↓ Infest
3 copies – 1.5 avg
↓ Fact or Fiction
3 copies – 1.5 avg
↓ Diabolic Edict
3 copies – 1.5 avg
↓ Nether Spirit
3 copies – 1.5 avg