Most played cards in Baral, Chief of Compliance:

8 Decks
Snow-Covered Island
75 copies - 9.38 average
Merchant Scroll
4 copies - 0.5 average
Mental Misstep
4 copies - 0.5 average
Miscalculation
4 copies - 0.5 average
Mystic Confluence
4 copies - 0.5 average
Memory Lapse
4 copies - 0.5 average
Negate
4 copies - 0.5 average
Jace's Ingenuity
4 copies - 0.5 average
Hydroblast
4 copies - 0.5 average
Glimmer of Genius
4 copies - 0.5 average
Impulse
4 copies - 0.5 average
Into the Roil
4 copies - 0.5 average
Pieces of the Puzzle
4 copies - 0.5 average
Mana Leak
4 copies - 0.5 average
Preordain
4 copies - 0.5 average
Chrome Mox
4 copies - 0.5 average
Unsubstantiate
4 copies - 0.5 average
Jace, the Mind Sculptor
4 copies - 0.5 average
Mox Diamond
4 copies - 0.5 average
Vedalken Shackles
4 copies - 0.5 average