Most played cards in The Rock:

2 Decks
 ↓ Dark Confidant
8 copies – 4 avg
↓ Blooming Marsh
8 copies – 4 avg
↓ Tarmogoyf
8 copies – 4 avg
↓ Field of Ruin
8 copies – 4 avg
↓ Verdant Catacombs
8 copies – 4 avg
↓ Fatal Push
8 copies – 4 avg
↓ Inquisition of Kozilek
7 copies – 3.5 avg
↓ Liliana of the Veil
7 copies – 3.5 avg
↓ Abrupt Decay
6 copies – 3 avg
↓ Tireless Tracker
6 copies – 3 avg
↓ Nihil Spellbomb
5 copies – 2.5 avg
↓ Thoughtseize
5 copies – 2.5 avg
↓ Collective Brutality
5 copies – 2.5 avg
↓ Nature's Claim
5 copies – 2.5 avg
↓ Scavenging Ooze
5 copies – 2.5 avg
↓ Assassin's Trophy
4 copies – 2 avg
↓ Grafdigger's Cage
4 copies – 2 avg
↓ Treetop Village
4 copies – 2 avg
↓ Overgrown Tomb
4 copies – 2 avg
↓ Hissing Quagmire
4 copies – 2 avg