Most played cards in Naban, Dean of Iteration:

1 Decks
Mystic Confluence
1 copies - 1 average
Miscalculation
1 copies - 1 average
Mental Misstep
1 copies - 1 average
Negate
1 copies - 1 average
Opt
1 copies - 1 average
Preordain
1 copies - 1 average
Ponder
1 copies - 1 average
Memory Lapse
1 copies - 1 average
Mana Leak
1 copies - 1 average
Force Spike
1 copies - 1 average
Fact or Fiction
1 copies - 1 average
Force of Will
1 copies - 1 average
Gitaxian Probe
1 copies - 1 average
Into the Roil
1 copies - 1 average
Impulse
1 copies - 1 average
Remand
1 copies - 1 average
Remove Soul
1 copies - 1 average
Mox Amber
1 copies - 1 average
Jace, the Mind Sculptor
1 copies - 1 average
Pithing Needle
1 copies - 1 average