Most played cards in UR:

3 Decks
 ↓ Serendib Efreet
6 copies – 2 avg
↓ Lightning Bolt
6 copies – 2 avg
↓ Volcanic Island
6 copies – 2 avg
↓ Mishra's Factory
6 copies – 2 avg
↓ Psionic Blast
5 copies – 1.67 avg
↓ City of Brass
5 copies – 1.67 avg
↓ Counterspell
5 copies – 1.67 avg
↓ Shatter
5 copies – 1.67 avg
↓ Chain Lightning
4 copies – 1.33 avg
↓ Su-Chi
4 copies – 1.33 avg
↓ Control Magic
4 copies – 1.33 avg
↓ Unsummon
3 copies – 1 avg
↓ Blood Moon
3 copies – 1 avg
↓ Badlands
3 copies – 1 avg
↓ Chaos Orb
3 copies – 1 avg
↓ Strip Mine
3 copies – 1 avg
↓ Red Elemental Blast
3 copies – 1 avg
↓ Sol Ring
2 copies – 0.67 avg
↓ Mana Drain
2 copies – 0.67 avg
↓ Artifact Blast
2 copies – 0.67 avg