Most played cards in Storm Combo:

130 Decks
Polluted Delta
383 copies - 2.95 average
Underground Sea
373 copies - 2.87 average
Dark Ritual
367 copies - 2.82 average
Duress
349 copies - 2.68 average
Gitaxian Probe
337 copies - 2.59 average
Hurkyl's Recall
336 copies - 2.58 average
Dark Petition
296 copies - 2.28 average
Defense Grid
253 copies - 1.95 average
Ravenous Trap
205 copies - 1.58 average
Cabal Ritual
176 copies - 1.35 average
Force of Will
164 copies - 1.26 average
Tendrils of Agony
158 copies - 1.22 average
Cabal Therapy
135 copies - 1.04 average
Ancient Tomb
134 copies - 1.03 average
Mox Sapphire
130 copies - 1 average
Mox Jet
128 copies - 0.98 average
Black Lotus
128 copies - 0.98 average
Demonic Tutor
126 copies - 0.97 average
Brainstorm
126 copies - 0.97 average
Vampiric Tutor
125 copies - 0.96 average