Most played cards in UWR:

3 Decks
 ↓ Tundra
12 copies – 4 avg
↓ Disenchant
12 copies – 4 avg
↓ Counterspell
12 copies – 4 avg
↓ Psionic Blast
11 copies – 3.67 avg
↓ Volcanic Island
11 copies – 3.67 avg
↓ Lightning Bolt
11 copies – 3.67 avg
↓ Serendib Efreet
11 copies – 3.67 avg
↓ Swords to Plowshares
9 copies – 3 avg
↓ Red Elemental Blast
9 copies – 3 avg
↓ Black Vise
7 copies – 2.33 avg
↓ Chain Lightning
7 copies – 2.33 avg
↓ Mishra's Factory
7 copies – 2.33 avg
↓ City of Brass
6 copies – 2 avg
↓ Blue Elemental Blast
6 copies – 2 avg
↓ Plateau
6 copies – 2 avg
↓ Serra Angel
5 copies – 1.67 avg
↓ Savannah Lions
4 copies – 1.33 avg
↓ Moat
3 copies – 1 avg
↓ Icy Manipulator
3 copies – 1 avg
↓ Control Magic
3 copies – 1 avg