Most played cards in The Perfect Storm:

2 Decks
 ↓ Brainstorm
8 copies – 4 avg
↓ Dark Ritual
8 copies – 4 avg
↓ Duress
8 copies – 4 avg
↓ Force of Will
8 copies – 4 avg
↓ Hurkyl's Recall
7 copies – 3.5 avg
↓ Polluted Delta
6 copies – 3 avg
↓ Underground Sea
6 copies – 3 avg
↓ Flooded Strand
5 copies – 2.5 avg
↓ Tendrils of Agony
4 copies – 2 avg
↓ Cabal Ritual
3 copies – 1.5 avg
↓ Chain of Vapor
3 copies – 1.5 avg
↓ Grim Tutor
3 copies – 1.5 avg
↓ Abeyance
3 copies – 1.5 avg
↓ Xantid Swarm
3 copies – 1.5 avg
↓ Phyrexian Negator
3 copies – 1.5 avg
↓ Red Elemental Blast
3 copies – 1.5 avg
↓ Ancestral Recall
2 copies – 1 avg
↓ Black Lotus
2 copies – 1 avg
↓ Demonic Tutor
2 copies – 1 avg
↓ Lotus Petal
2 copies – 1 avg