Most played cards in Sensei Combo:

1 Decks
Helm of Awakening
4 copies - 4 average
Sensei's Divining Top
4 copies - 4 average
Force of Will
4 copies - 4 average
Accumulated Knowledge
4 copies - 4 average
Intuition
3 copies - 3 average
Polluted Delta
3 copies - 3 average
Future Sight
3 copies - 3 average
Gilded Drake
3 copies - 3 average
Deep Analysis
3 copies - 3 average
Misdirection
2 copies - 2 average
Blue Elemental Blast
2 copies - 2 average
Underground Sea
2 copies - 2 average
Mana Drain
2 copies - 2 average
Thirst for Knowledge
2 copies - 2 average
Engineered Plague
2 copies - 2 average
Flooded Strand
2 copies - 2 average
Cunning Wish
2 copies - 2 average
Snap
1 copies - 1 average
Tolarian Academy
1 copies - 1 average
Snuff Out
1 copies - 1 average