Most played cards in Clerics:

34 Decks
Rotlung Reanimator
92 copies - 2.71 average
Duress
69 copies - 2.03 average
Dark Ritual
69 copies - 2.03 average
Priest of Gix
68 copies - 2 average
Cabal Archon
68 copies - 2 average
Withered Wretch
67 copies - 1.97 average
Dark Supplicant
67 copies - 1.97 average
Swords to Plowshares
67 copies - 1.97 average
True Believer
60 copies - 1.76 average
Cabal Therapy
60 copies - 1.76 average
Mother of Runes
59 copies - 1.74 average
Master Apothecary
57 copies - 1.68 average
Weathered Wayfarer
55 copies - 1.62 average
Engineered Plague
53 copies - 1.56 average
Wasteland
51 copies - 1.5 average
Beloved Chaplain
47 copies - 1.38 average
Unearth
41 copies - 1.21 average
Abolish
38 copies - 1.12 average
Armageddon
36 copies - 1.06 average
Shepherd of Rot
36 copies - 1.06 average