Most played cards in Kess, Dissident Mage:

2 Decks
Demonic Tutor
2 copies - 1 average
Cryptic Command
2 copies - 1 average
Counterspell
2 copies - 1 average
Fatal Push
2 copies - 1 average
Fiery Confluence
2 copies - 1 average
Force Spike
2 copies - 1 average
Fire // Ice
2 copies - 1 average
Brainstorm
2 copies - 1 average
Anger of the Gods
2 copies - 1 average
Wasteland
2 copies - 1 average
Volcanic Island
2 copies - 1 average
Watery Grave
2 copies - 1 average
Wooded Foothills
2 copies - 1 average
Snapcaster Mage
2 copies - 1 average
Jace, Vryn's Prodigy
2 copies - 1 average
Force of Will
2 copies - 1 average
Go for the Throat
2 copies - 1 average
Think Twice
2 copies - 1 average
Terminate
2 copies - 1 average
Tainted Pact
2 copies - 1 average