Most played cards in Arcum Dagsson:

2 Decks
Snow-Covered Island
19 copies - 9.5 average
Myr Retriever
3 copies - 1.5 average
Brainstorm
2 copies - 1 average
Gitaxian Probe
2 copies - 1 average
Swan Song
2 copies - 1 average
Memory Lapse
2 copies - 1 average
Counterspell
2 copies - 1 average
Preordain
2 copies - 1 average
Cyclonic Rift
2 copies - 1 average
Spellskite
2 copies - 1 average
Phyrexian Revoker
2 copies - 1 average
Junk Diver
2 copies - 1 average
Palladium Myr
2 copies - 1 average
Trinket Mage
2 copies - 1 average
Peek
2 copies - 1 average
Mind Stone
2 copies - 1 average
Myr Turbine
2 copies - 1 average
Basalt Monolith
2 copies - 1 average
Mycosynth Lattice
2 copies - 1 average
Spine of Ish Sah
2 copies - 1 average