Most played cards in Rogue:

3 Decks
Disenchant
11 copies - 3.67 average
Mishra's Factory
10 copies - 3.33 average
Swords to Plowshares
10 copies - 3.33 average
Blue Elemental Blast
7 copies - 2.33 average
Lightning Bolt
7 copies - 2.33 average
Circle of Protection: Red
6 copies - 2 average
Strip Mine
6 copies - 2 average
Tundra
6 copies - 2 average
Volcanic Island
6 copies - 2 average
Red Elemental Blast
5 copies - 1.67 average
Plateau
5 copies - 1.67 average
City of Brass
5 copies - 1.67 average
Energy Flux
5 copies - 1.67 average
Icy Manipulator
4 copies - 1.33 average
Serendib Efreet
4 copies - 1.33 average
Shahrazad
4 copies - 1.33 average
Savannah Lions
4 copies - 1.33 average
Fellwar Stone
4 copies - 1.33 average
Chain Lightning
4 copies - 1.33 average
Dust to Dust
4 copies - 1.33 average