Most played cards in Drain Storm:

1 Decks
Force of Will
4 copies - 4 average
Flooded Strand
4 copies - 4 average
Brainstorm
4 copies - 4 average
Mana Drain
4 copies - 4 average
Underground Sea
4 copies - 4 average
Accumulated Knowledge
4 copies - 4 average
Hurkyl's Recall
3 copies - 3 average
Intuition
2 copies - 2 average
Duress
2 copies - 2 average
Stifle
2 copies - 2 average
Brain Freeze
2 copies - 2 average
Tormod's Crypt
1 copies - 1 average
Snuff Out
1 copies - 1 average
Vampiric Tutor
1 copies - 1 average
Tolarian Academy
1 copies - 1 average
Sol Ring
1 copies - 1 average
Time Walk
1 copies - 1 average
Timetwister
1 copies - 1 average
Yawgmoth's Will
1 copies - 1 average
Rebuild
1 copies - 1 average