36 cards where the name includes “merfolk”

Arctic Merfolk (Planeshift #21)
Coral Merfolk (Core Set 2020 #315)
Darting Merfolk (Mercadian Masques #72)
Gray Harbor Merfolk (Commander Legends: Battle for Baldur's Gate #75)
Jolting Merfolk (Nemesis #34)
Merfolk Assassin (Time Spiral Timeshifted #25)
Merfolk Branchwalker (Ixalan #197)
Merfolk Cave-Diver (The Lost Caverns of Ixalan #65)
Merfolk Coralsmith (Wilds of Eldraine #60)
Merfolk Falconer (Zendikar Rising #69)
Merfolk Looter (Forgotten Realms Commander #86)
Merfolk Mesmerist (Magic 2012 #66)
Merfolk Mistbinder (The Lost Caverns of Ixalan Commander #276)
Merfolk Observer (Rise of the Eldrazi #76)
Merfolk of the Depths (Ravnica Remastered #200)
Merfolk of the Pearl Trident (Magic 2013 #60)
Merfolk Pupil (Foundations Jumpstart #326)
Merfolk Raiders (Mirage #75)
Merfolk Seastalkers (Zendikar #55)
Merfolk Secretkeeper // Venture Deeper (Throne of Eldraine #53)
Merfolk Seer (Mirage #76)
Merfolk Skydiver (The Lost Caverns of Ixalan Commander #277)
Merfolk Skyscout (Conspiracy: Take the Crown #115)
Merfolk Sovereign (The Lost Caverns of Ixalan Commander #164)
Merfolk Spy (Magic 2014 #62)
Merfolk Thaumaturgist (Planar Chaos #56)
Merfolk Traders (Weatherlight #43)
Merfolk Trickster (Dominaria #56)
Merfolk Tunnel-Guide (Alchemy: Ixalan #25)
Merfolk Wayfinder (Duel Decks: Merfolk vs. Goblins #12)
Merfolk Windrobber (Zendikar Rising #70)
River Merfolk (Masters Edition #47)
Sandbar Merfolk (Urza's Saga #94)
Sejiri Merfolk (Worldwake #36)
Wishful Merfolk (Jumpstart #197)
Yawgmoth Merfolk Soul (Unfinity Sticker Sheets #35)

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