Most played cards in Kambal, Consul of Allocation:

2 Decks
Sword of Fire and Ice
2 copies - 1 average
Infernal Grasp
2 copies - 1 average
Heartless Act
2 copies - 1 average
Liliana's Triumph
2 copies - 1 average
Mana Tithe
2 copies - 1 average
Swords to Plowshares
2 copies - 1 average
Path to Exile
2 copies - 1 average
Go for the Throat
2 copies - 1 average
Shadowspear
2 copies - 1 average
Diabolic Edict
2 copies - 1 average
Emeria's Call
2 copies - 1 average
Duress
2 copies - 1 average
Council's Judgment
2 copies - 1 average
Gerrard's Verdict
2 copies - 1 average
Inquisition of Kozilek
2 copies - 1 average
Court of Ambition
2 copies - 1 average
Anguished Unmaking
2 copies - 1 average
Reanimate
2 copies - 1 average
Fatal Push
2 copies - 1 average
Oblivion Ring
2 copies - 1 average