Svyelun of Sea and Sky (Commander) - Upgraded Merfolk

Svyelun of Sea and Sky
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Background image for 21 Best Merfolk Cards for Commander
Chris Guest
Jul 9, 2025
Chris Guest
21 Best Merfolk Cards for Commander
As one of Magic's oldest creature types, there are no shortage of excellent Merfolk to brew with. Chris breaks down the best of the best in this list.
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Merfolk Sovereign
100%inclusion4 decks4 decks
98%synergy
Master of the Pearl Trident
100%inclusion4 decks4 decks
98%synergy
Sapphire Medallion
100%inclusion4 decks4 decks
42%synergy
Game Changers
Thassa's Oracle
25%inclusion1 decks4 decks
12%synergy
Creatures
Kopala, Warden of Waves
75%inclusion3 decks4 decks
74%synergy
Stonybrook Banneret
75%inclusion3 decks4 decks
71%synergy
Merfolk Looter
75%inclusion3 decks4 decks
73%synergy
Merrow Reejerey
75%inclusion3 decks4 decks
73%synergy
Wanderwine Prophets
75%inclusion3 decks4 decks
74%synergy
Lord of Atlantis
75%inclusion3 decks4 decks
74%synergy
Sea Scryer
75%inclusion3 decks4 decks
74%synergy
Merrow Harbinger
50%inclusion2 decks4 decks
49%synergy
Master of Waves
50%inclusion2 decks4 decks
46%synergy
Whirlpool Rider
50%inclusion2 decks4 decks
49%synergy
Vodalian Hexcatcher
50%inclusion2 decks4 decks
48%synergy
Sigil Tracer
50%inclusion2 decks4 decks
49%synergy
Deepchannel Mentor
50%inclusion2 decks4 decks
49%synergy
Kiora, the Rising Tide
50%inclusion2 decks4 decks
47%synergy
Streambed Aquitects
50%inclusion2 decks4 decks
49%synergy
Scroll Thief
50%inclusion2 decks4 decks
49%synergy
Thassa, God of the Sea
50%inclusion2 decks4 decks
46%synergy
Emperor Mihail II
50%inclusion2 decks4 decks
49%synergy
Lullmage Mentor
50%inclusion2 decks4 decks
48%synergy
Tidal Warrior
50%inclusion2 decks4 decks
49%synergy
Defiler of Dreams
50%inclusion2 decks4 decks
41%synergy
Harbinger of the Tides
50%inclusion2 decks4 decks
49%synergy
Tempest Caller
50%inclusion2 decks4 decks
49%synergy
Enclave Cryptologist
50%inclusion2 decks4 decks
49%synergy
Mist Dancer
50%inclusion2 decks4 decks
49%synergy
Tide Shaper
50%inclusion2 decks4 decks
49%synergy
Stonybrook Angler
50%inclusion2 decks4 decks
50%synergy
Library Larcenist
50%inclusion2 decks4 decks
49%synergy
Merfolk Trickster
50%inclusion2 decks4 decks
49%synergy
Tidebinder Mage
50%inclusion2 decks4 decks
50%synergy
Seafloor Oracle
50%inclusion2 decks4 decks
49%synergy
Coralhelm Commander
25%inclusion1 decks4 decks
24%synergy
Azami, Lady of Scrolls
25%inclusion1 decks4 decks
22%synergy
Stormtide Leviathan
25%inclusion1 decks4 decks
18%synergy
Tandem Lookout
25%inclusion1 decks4 decks
24%synergy
Vodalian Arcanist
25%inclusion1 decks4 decks
25%synergy
Rootwater Matriarch
25%inclusion1 decks4 decks
25%synergy
Metallic Mimic
25%inclusion1 decks4 decks
24%synergy
Thassa, Deep-Dwelling
25%inclusion1 decks4 decks
21%synergy
Mulldrifter
25%inclusion1 decks4 decks
18%synergy
Sentinel of the Pearl Trident
25%inclusion1 decks4 decks
25%synergy
Cosi's Trickster
25%inclusion1 decks4 decks
24%synergy
Rishadan Dockhand
25%inclusion1 decks4 decks
24%synergy
Tideshaper Mystic
25%inclusion1 decks4 decks
25%synergy
Surgespanner
25%inclusion1 decks4 decks
24%synergy
Floodpits Drowner
25%inclusion1 decks4 decks
24%synergy
Merfolk Wayfinder
25%inclusion1 decks4 decks
25%synergy
Adaptive Automaton
25%inclusion1 decks4 decks
24%synergy
Seahunter
25%inclusion1 decks4 decks
24%synergy
Rootwater Thief
25%inclusion1 decks4 decks
25%synergy
Instants
Engulf the Shore
75%inclusion3 decks4 decks
67%synergy
An Offer You Can't Refuse
50%inclusion2 decks4 decks
13%synergy
Saw It Coming
50%inclusion2 decks4 decks
47%synergy
Arcane Denial
50%inclusion2 decks4 decks
14%synergy
Counterspell
50%inclusion2 decks4 decks
-17%synergy
High Tide
50%inclusion2 decks4 decks
6%synergy
Pongify
25%inclusion1 decks4 decks
-15%synergy
Disdainful Stroke
25%inclusion1 decks4 decks
20%synergy
Lose Focus
25%inclusion1 decks4 decks
24%synergy
Chain of Vapor
25%inclusion1 decks4 decks
20%synergy
Negate
25%inclusion1 decks4 decks
-13%synergy
Aetherspouts
25%inclusion1 decks4 decks
17%synergy
Mystic Reflection
25%inclusion1 decks4 decks
23%synergy
Redirect
25%inclusion1 decks4 decks
24%synergy
Divide by Zero
25%inclusion1 decks4 decks
25%synergy
Resculpt
25%inclusion1 decks4 decks
6%synergy
Alchemist's Retrieval
25%inclusion1 decks4 decks
24%synergy
Filter Out
25%inclusion1 decks4 decks
21%synergy
Swan Song
25%inclusion1 decks4 decks
-1%synergy
Jwari Disruption
25%inclusion1 decks4 decks
20%synergy
Delay
25%inclusion1 decks4 decks
21%synergy
Commandeer
25%inclusion1 decks4 decks
20%synergy
Silundi Vision
25%inclusion1 decks4 decks
20%synergy
Flow of Knowledge
25%inclusion1 decks4 decks
9%synergy
Memory Lapse
25%inclusion1 decks4 decks
22%synergy
Thassa's Rebuff
25%inclusion1 decks4 decks
24%synergy
Sink into Stupor
25%inclusion1 decks4 decks
3%synergy
Hinder
25%inclusion1 decks4 decks
24%synergy
Confound
25%inclusion1 decks4 decks
24%synergy
Thassa's Intervention
25%inclusion1 decks4 decks
24%synergy
Sorceries
Devastation Tide
50%inclusion2 decks4 decks
47%synergy
Distant Melody
50%inclusion2 decks4 decks
45%synergy
Aquitect's Will
50%inclusion2 decks4 decks
45%synergy
Theft of Dreams
25%inclusion1 decks4 decks
25%synergy
Inundate
25%inclusion1 decks4 decks
23%synergy
Season of Weaving
25%inclusion1 decks4 decks
20%synergy
Crashing Tide
25%inclusion1 decks4 decks
25%synergy
Commit // Memory
25%inclusion1 decks4 decks
22%synergy
Lórien Revealed
25%inclusion1 decks4 decks
16%synergy
Concentrate
25%inclusion1 decks4 decks
24%synergy
Spectral Deluge
25%inclusion1 decks4 decks
14%synergy
Step Through
25%inclusion1 decks4 decks
20%synergy
Coastal Breach
25%inclusion1 decks4 decks
24%synergy
Whelming Wave
25%inclusion1 decks4 decks
21%synergy
Raise the Palisade
25%inclusion1 decks4 decks
22%synergy
Utility Artifacts
Vanquisher's Banner
50%inclusion2 decks4 decks
49%synergy
Urza's Incubator
50%inclusion2 decks4 decks
49%synergy
Lightning Greaves
50%inclusion2 decks4 decks
24%synergy
Bident of Thassa
50%inclusion2 decks4 decks
38%synergy
Quicksilver Fountain
25%inclusion1 decks4 decks
23%synergy
Sensei's Divining Top
25%inclusion1 decks4 decks
10%synergy
The Indomitable
25%inclusion1 decks4 decks
23%synergy
Wayfarer's Bauble
25%inclusion1 decks4 decks
7%synergy
Coat of Arms
25%inclusion1 decks4 decks
23%synergy
Heirloom Blade
25%inclusion1 decks4 decks
25%synergy
Banner of Kinship
25%inclusion1 decks4 decks
22%synergy
Scytheclaw
25%inclusion1 decks4 decks
25%synergy
Kefnet's Monument
25%inclusion1 decks4 decks
19%synergy
Herald's Horn
25%inclusion1 decks4 decks
23%synergy
Swiftfoot Boots
25%inclusion1 decks4 decks
-3%synergy
Endless Atlas
25%inclusion1 decks4 decks
24%synergy
Blackblade Reforged
25%inclusion1 decks4 decks
20%synergy
Obelisk of Urd
25%inclusion1 decks4 decks
24%synergy
Renegade Map
25%inclusion1 decks4 decks
25%synergy
Enchantments
Deeproot Waters
75%inclusion3 decks4 decks
74%synergy
Reflections of Littjara
75%inclusion3 decks4 decks
72%synergy
Kindred Discovery
50%inclusion2 decks4 decks
43%synergy
Deeproot Pilgrimage
50%inclusion2 decks4 decks
48%synergy
Intruder Alarm
50%inclusion2 decks4 decks
47%synergy
Merrow Commerce
50%inclusion2 decks4 decks
49%synergy
Aquatic Incursion
50%inclusion2 decks4 decks
50%synergy
Drake Umbra
25%inclusion1 decks4 decks
25%synergy
Eel Umbra
25%inclusion1 decks4 decks
23%synergy
Octopus Umbra
25%inclusion1 decks4 decks
24%synergy
Coastal Piracy
25%inclusion1 decks4 decks
21%synergy
Mystic Remora
25%inclusion1 decks4 decks
-2%synergy
Spreading Seas
25%inclusion1 decks4 decks
24%synergy
Retreat to Coralhelm
25%inclusion1 decks4 decks
22%synergy
Feywild Visitor
25%inclusion1 decks4 decks
24%synergy
Lingering Mirage
25%inclusion1 decks4 decks
25%synergy
Sea's Claim
25%inclusion1 decks4 decks
25%synergy
Planeswalkers
Tamiyo, the Moon Sage
25%inclusion1 decks4 decks
23%synergy
Utility Lands
Mistrise Village
50%inclusion1 decks2 decks
41%synergy
Nykthos, Shrine to Nyx
50%inclusion2 decks4 decks
34%synergy
Reliquary Tower
50%inclusion2 decks4 decks
-6%synergy
Rogue's Passage
50%inclusion2 decks4 decks
35%synergy
Ghost Quarter
25%inclusion1 decks4 decks
22%synergy
Seat of the Synod
25%inclusion1 decks4 decks
7%synergy
Tyrite Sanctum
25%inclusion1 decks4 decks
23%synergy
Coral Atoll
25%inclusion1 decks4 decks
21%synergy
Halimar Depths
25%inclusion1 decks4 decks
15%synergy
Riptide Laboratory
25%inclusion1 decks4 decks
15%synergy
Magosi, the Waterveil
25%inclusion1 decks4 decks
24%synergy
War Room
25%inclusion1 decks4 decks
9%synergy
Lonely Sandbar
25%inclusion1 decks4 decks
11%synergy
Skyline Cascade
25%inclusion1 decks4 decks
24%synergy
Darksteel Citadel
25%inclusion1 decks4 decks
14%synergy
Hidden Cataract
25%inclusion1 decks4 decks
23%synergy
Soaring Seacliff
25%inclusion1 decks4 decks
24%synergy
Mikokoro, Center of the Sea
25%inclusion1 decks4 decks
21%synergy
Thespian's Stage
25%inclusion1 decks4 decks
23%synergy
Dark Depths
25%inclusion1 decks4 decks
24%synergy
Castle Vantress
25%inclusion1 decks4 decks
6%synergy
Temple of the False God
25%inclusion1 decks4 decks
15%synergy
Three Tree City
25%inclusion1 decks4 decks
21%synergy
Otawara, Soaring City
25%inclusion1 decks4 decks
0%synergy
Mana Artifacts
Sol Ring
75%inclusion3 decks4 decks
-10%synergy
Caged Sun
50%inclusion2 decks4 decks
39%synergy
Arcane Signet
50%inclusion2 decks4 decks
-15%synergy
Heraldic Banner
50%inclusion2 decks4 decks
44%synergy
Patchwork Banner
50%inclusion2 decks4 decks
46%synergy
Sky Diamond
25%inclusion1 decks4 decks
2%synergy
Progenitor's Icon
25%inclusion1 decks4 decks
25%synergy
Decanter of Endless Water
25%inclusion1 decks4 decks
11%synergy
Fellwar Stone
25%inclusion1 decks4 decks
5%synergy
Midnight Clock
25%inclusion1 decks4 decks
4%synergy
Sceptre of Eternal Glory
25%inclusion1 decks4 decks
21%synergy
Nyx Lotus
25%inclusion1 decks4 decks
21%synergy
Lands
Island
100%inclusion4 decks4 decks
7%synergy
Path of Ancestry
50%inclusion2 decks4 decks
46%synergy
Terramorphic Expanse
25%inclusion1 decks4 decks
22%synergy
Myriad Landscape
25%inclusion1 decks4 decks
-1%synergy
Ash Barrens
25%inclusion1 decks4 decks
24%synergy
Umara Wizard
25%inclusion1 decks4 decks
25%synergy
Cavern of Souls
25%inclusion1 decks4 decks
20%synergy
Jwari Disruption
25%inclusion1 decks4 decks
20%synergy
Evolving Wilds
25%inclusion1 decks4 decks
21%synergy
Silundi Vision
25%inclusion1 decks4 decks
20%synergy
Sink into Stupor
25%inclusion1 decks4 decks
3%synergy
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