Most played cards in Tezzeret Control:

2 Decks
Mental Misstep
8 copies - 4 average
Force of Will
8 copies - 4 average
Sensei's Divining Top
4 copies - 2 average
Seat of the Synod
4 copies - 2 average
Thoughtcast
4 copies - 2 average
Ingot Chewer
4 copies - 2 average
Scalding Tarn
4 copies - 2 average
Oath of Druids
4 copies - 2 average
Swan Song
3 copies - 1.5 average
Voltaic Key
3 copies - 1.5 average
Thirst for Knowledge
3 copies - 1.5 average
Grafdigger's Cage
3 copies - 1.5 average
Flusterstorm
3 copies - 1.5 average
Mana Drain
3 copies - 1.5 average
Arid Mesa
3 copies - 1.5 average
Jace, the Mind Sculptor
3 copies - 1.5 average
Tezzeret the Seeker
3 copies - 1.5 average
Tormod's Crypt
2 copies - 1 average
Snapcaster Mage
2 copies - 1 average
Library of Alexandria
2 copies - 1 average