Most played cards in Solidarity:

2 Decks
 ↓ Force of Will
8 copies – 4 avg
↓ High Tide
8 copies – 4 avg
↓ Meditate
8 copies – 4 avg
↓ Flooded Strand
7 copies – 3.5 avg
↓ Impulse
6 copies – 3 avg
↓ Cunning Wish
6 copies – 3 avg
↓ Polluted Delta
5 copies – 2.5 avg
↓ Brain Freeze
5 copies – 2.5 avg
↓ Brainstorm
5 copies – 2.5 avg
↓ Reset
4 copies – 2 avg
↓ Opt
4 copies – 2 avg
↓ Accumulated Knowledge
4 copies – 2 avg
↓ Mystic Remora
4 copies – 2 avg
↓ Turnabout
4 copies – 2 avg
↓ Intuition
3 copies – 1.5 avg
↓ Candelabra of Tawnos
3 copies – 1.5 avg
↓ Mana Drain
3 copies – 1.5 avg
↓ Back to Basics
3 copies – 1.5 avg
↓ Library of Alexandria
2 copies – 1 avg
↓ Mox Sapphire
2 copies – 1 avg