Most played cards in Krark // Silas:

4 Decks
Gifts Ungiven
4 copies - 1 average
Gamble
4 copies - 1 average
Frantic Search
4 copies - 1 average
Flame Slash
4 copies - 1 average
Gitaxian Probe
4 copies - 1 average
Grim Tutor
4 copies - 1 average
Lightning Bolt
4 copies - 1 average
Jeska's Will
4 copies - 1 average
Intuition
4 copies - 1 average
Inquisition of Kozilek
4 copies - 1 average
Fatal Push
4 copies - 1 average
Duress
4 copies - 1 average
Chain Lightning
4 copies - 1 average
Cabal Therapy
4 copies - 1 average
Cabal Ritual
4 copies - 1 average
Brainstorm
4 copies - 1 average
Chain of Vapor
4 copies - 1 average
Culling the Weak
4 copies - 1 average
Demonic Tutor
4 copies - 1 average
Arid Mesa
4 copies - 1 average