Most played cards in Oath:

305 Decks
Oath of Druids
1199 copies - 3.93 average
Swords to Plowshares
993 copies - 3.26 average
Treetop Village
924 copies - 3.03 average
Windswept Heath
816 copies - 2.68 average
Wasteland
713 copies - 2.34 average
Mox Diamond
634 copies - 2.08 average
Enlightened Tutor
589 copies - 1.93 average
Rishadan Port
584 copies - 1.91 average
Mishra's Factory
584 copies - 1.91 average
Sphere of Resistance
579 copies - 1.9 average
Sylvan Library
516 copies - 1.69 average
Phantom Nishoba
448 copies - 1.47 average
Gaea's Blessing
440 copies - 1.44 average
Seal of Cleansing
415 copies - 1.36 average
Funeral Pyre
408 copies - 1.34 average
Tormod's Crypt
353 copies - 1.16 average
Decree of Justice
308 copies - 1.01 average
Brushland
294 copies - 0.96 average
Terravore
285 copies - 0.93 average
Counterspell
273 copies - 0.9 average