Most played cards in Merfols:

1 Decks
Cavern of Souls
4 copies - 4 average
Mutavault
4 copies - 4 average
Chalice of the Void
4 copies - 4 average
Force of Will
4 copies - 4 average
Cursecatcher
4 copies - 4 average
Aether Vial
4 copies - 4 average
True-Name Nemesis
4 copies - 4 average
Lord of Atlantis
4 copies - 4 average
Master of the Pearl Trident
4 copies - 4 average
Silvergill Adept
4 copies - 4 average
Phantasmal Image
3 copies - 3 average
Back to Basics
2 copies - 2 average
Dismember
2 copies - 2 average
Echoing Truth
2 copies - 2 average
Sorcerous Spyglass
2 copies - 2 average
Flusterstorm
2 copies - 2 average
Umezawa's Jitte
2 copies - 2 average
Daze
2 copies - 2 average
Harbinger of the Tides
2 copies - 2 average
Grafdigger's Cage
2 copies - 2 average