Most played cards in The Rock:

824 Decks
Verdant Catacombs
3055 copies - 3.71 average
Tarmogoyf
2852 copies - 3.46 average
Lingering Souls
2553 copies - 3.1 average
Inquisition of Kozilek
2420 copies - 2.94 average
Liliana of the Veil
2353 copies - 2.86 average
Thoughtseize
2280 copies - 2.77 average
Path to Exile
2253 copies - 2.73 average
Marsh Flats
1970 copies - 2.39 average
Abrupt Decay
1920 copies - 2.33 average
Fulminator Mage
1827 copies - 2.22 average
Blooming Marsh
1782 copies - 2.16 average
Scavenging Ooze
1711 copies - 2.08 average
Windswept Heath
1614 copies - 1.96 average
Fatal Push
1524 copies - 1.85 average
Overgrown Tomb
1465 copies - 1.78 average
Stony Silence
1383 copies - 1.68 average
Siege Rhino
1329 copies - 1.61 average
Collective Brutality
1229 copies - 1.49 average
Grim Flayer
1150 copies - 1.4 average
Shambling Vent
1101 copies - 1.34 average