Most played cards in Rogue:

1 Decks
Crackling Doom
4 copies - 4 average
Polluted Delta
4 copies - 4 average
Flooded Strand
4 copies - 4 average
Bloodstained Mire
4 copies - 4 average
Jace, Vryn's Prodigy
4 copies - 4 average
Fatal Push
3 copies - 3 average
Saheeli Rai
3 copies - 3 average
Kolaghan's Command
3 copies - 3 average
Dispel
3 copies - 3 average
Disdainful Stroke
3 copies - 3 average
Dig Through Time
3 copies - 3 average
Arashin Cleric
3 copies - 3 average
Radiant Flames
3 copies - 3 average
Painful Truths
3 copies - 3 average
Shambling Vent
2 copies - 2 average
Smoldering Marsh
2 copies - 2 average
Sunken Hollow
2 copies - 2 average
Transgress the Mind
2 copies - 2 average
Mystic Monastery
2 copies - 2 average
Kalitas, Traitor of Ghet
2 copies - 2 average