Most played cards in The Rock:

1 Decks
 ↓ Dark Confidant
4 copies – 4 avg
↓ Abrupt Decay
4 copies – 4 avg
↓ Verdant Catacombs
4 copies – 4 avg
↓ Field of Ruin
4 copies – 4 avg
↓ Tarmogoyf
4 copies – 4 avg
↓ Blooming Marsh
4 copies – 4 avg
↓ Fatal Push
4 copies – 4 avg
↓ Inquisition of Kozilek
4 copies – 4 avg
↓ Tireless Tracker
4 copies – 4 avg
↓ Liliana of the Veil
3 copies – 3 avg
↓ Nature's Claim
3 copies – 3 avg
↓ Leyline of the Void
3 copies – 3 avg
↓ Grafdigger's Cage
3 copies – 3 avg
↓ Scavenging Ooze
3 copies – 3 avg
↓ Engineered Explosives
2 copies – 2 avg
↓ Treetop Village
2 copies – 2 avg
↓ Hissing Quagmire
2 copies – 2 avg
↓ Overgrown Tomb
2 copies – 2 avg
↓ Kalitas, Traitor of Ghet
2 copies – 2 avg
↓ Collective Brutality
2 copies – 2 avg