Most played cards in UR Counterburn:

4 Decks
 ↓ Lightning Bolt
16 copies – 4 avg
↓ Serendib Efreet
12 copies – 3 avg
↓ Psionic Blast
12 copies – 3 avg
↓ Chain Lightning
12 copies – 3 avg
↓ Volcanic Island
12 copies – 3 avg
↓ Shatter
11 copies – 2.75 avg
↓ Blue Elemental Blast
11 copies – 2.75 avg
↓ Red Elemental Blast
10 copies – 2.5 avg
↓ Counterspell
9 copies – 2.25 avg
↓ Psychic Purge
9 copies – 2.25 avg
↓ Flying Men
8 copies – 2 avg
↓ Mishra's Factory
8 copies – 2 avg
↓ Black Vise
8 copies – 2 avg
↓ Control Magic
7 copies – 1.75 avg
↓ City of Brass
6 copies – 1.5 avg
↓ Blood Moon
5 copies – 1.25 avg
↓ Power Sink
5 copies – 1.25 avg
↓ Fireball
4 copies – 1 avg
↓ Sol Ring
4 copies – 1 avg
↓ Ankh of Mishra
4 copies – 1 avg