Most played cards in Merfolks:

1 Decks
 ↓ Aether Vial
4 copies – 4 avg
↓ Breeding Pool
4 copies – 4 avg
↓ Cursecatcher
4 copies – 4 avg
↓ Lord of Atlantis
4 copies – 4 avg
↓ Master of the Pearl Trident
4 copies – 4 avg
↓ Merfolk Branchwalker
4 copies – 4 avg
↓ Merfolk Mistbinder
4 copies – 4 avg
↓ Misty Rainforest
4 copies – 4 avg
↓ Silvergill Adept
4 copies – 4 avg
↓ Spreading Seas
4 copies – 4 avg
↓ Cavern of Souls
3 copies – 3 avg
↓ Collected Company
3 copies – 3 avg
↓ Kumena's Speaker
3 copies – 3 avg
↓ Mutavault
3 copies – 3 avg
↓ Chalice of the Void
3 copies – 3 avg
↓ Grafdigger's Cage
3 copies – 3 avg
↓ Spell Pierce
2 copies – 2 avg
↓ Harbinger of the Tides
2 copies – 2 avg
↓ Hurkyl's Recall
2 copies – 2 avg
↓ Tidebinder Mage
2 copies – 2 avg