Most played cards in Esper Tinker:

1 Decks
Urza's Saga
4 copies - 4 average
Force of Will
4 copies - 4 average
Preordain
3 copies - 3 average
Tundra
3 copies - 3 average
Leyline of the Void
3 copies - 3 average
Hurkyl's Recall
3 copies - 3 average
Flusterstorm
3 copies - 3 average
Pithing Needle
2 copies - 2 average
Prismatic Ending
2 copies - 2 average
Dress Down
2 copies - 2 average
Lavinia, Azorius Renegade
2 copies - 2 average
Scalding Tarn
2 copies - 2 average
Underground Sea
2 copies - 2 average
Polluted Delta
2 copies - 2 average
Soul-Guide Lantern
1 copies - 1 average
Mystical Tutor
1 copies - 1 average
Sensei's Divining Top
1 copies - 1 average
Ponder
1 copies - 1 average
Sol Ring
1 copies - 1 average
Vampiric Tutor
1 copies - 1 average