Svyelun of Sea and Sky (Commander) - Core Control

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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Lord of Atlantis
100%inclusion4 decks4 decks
99%synergy
Master of the Pearl Trident
100%inclusion4 decks4 decks
98%synergy
High Tide
100%inclusion4 decks4 decks
56%synergy
Game Changers
Rhystic Study
25%inclusion1 decks4 decks
-9%synergy
Fierce Guardianship
25%inclusion1 decks4 decks
2%synergy
Cyclonic Rift
25%inclusion1 decks4 decks
-10%synergy
Mystical Tutor
25%inclusion1 decks4 decks
1%synergy
Creatures
Summon: Leviathan
100%inclusion2 decks2 decks
98%synergy
Kopala, Warden of Waves
75%inclusion3 decks4 decks
74%synergy
Merrow Harbinger
75%inclusion3 decks4 decks
74%synergy
Vodalian Hexcatcher
75%inclusion3 decks4 decks
74%synergy
Seahunter
75%inclusion3 decks4 decks
74%synergy
Merrow Reejerey
75%inclusion3 decks4 decks
73%synergy
Emperor Mihail II
75%inclusion3 decks4 decks
74%synergy
Lullmage Mentor
75%inclusion3 decks4 decks
73%synergy
Mist Dancer
75%inclusion3 decks4 decks
74%synergy
Tide Shaper
75%inclusion3 decks4 decks
74%synergy
Eluge, the Shoreless Sea
67%inclusion2 decks3 decks
58%synergy
Floodpits Drowner
67%inclusion2 decks3 decks
65%synergy
Kiora, the Rising Tide
67%inclusion2 decks3 decks
63%synergy
Master of Waves
50%inclusion2 decks4 decks
46%synergy
Stonybrook Banneret
50%inclusion2 decks4 decks
46%synergy
Stormtide Leviathan
50%inclusion2 decks4 decks
43%synergy
Merfolk Sovereign
50%inclusion2 decks4 decks
48%synergy
Metallic Mimic
50%inclusion2 decks4 decks
49%synergy
Tishana's Tidebinder
50%inclusion2 decks4 decks
45%synergy
Cosi's Trickster
50%inclusion2 decks4 decks
49%synergy
River Sneak
50%inclusion2 decks4 decks
49%synergy
Triton Shorestalker
50%inclusion2 decks4 decks
48%synergy
Harbinger of the Seas
50%inclusion2 decks4 decks
41%synergy
Tidal Warrior
50%inclusion2 decks4 decks
49%synergy
Wanderwine Prophets
50%inclusion2 decks4 decks
49%synergy
Harbinger of the Tides
50%inclusion2 decks4 decks
49%synergy
Talrand, Sky Summoner
50%inclusion2 decks4 decks
36%synergy
Sea Scryer
50%inclusion2 decks4 decks
49%synergy
Merfolk Trickster
50%inclusion2 decks4 decks
48%synergy
Seafloor Oracle
50%inclusion2 decks4 decks
49%synergy
Mindspring Merfolk
33%inclusion1 decks3 decks
33%synergy
Coralhelm Commander
25%inclusion1 decks4 decks
24%synergy
Vodalian Soldiers
25%inclusion1 decks4 decks
25%synergy
True-Name Nemesis
25%inclusion1 decks4 decks
24%synergy
Seasinger
25%inclusion1 decks4 decks
25%synergy
Whirlpool Rider
25%inclusion1 decks4 decks
25%synergy
Merfolk of the Pearl Trident
25%inclusion1 decks4 decks
25%synergy
Thassa, Deep-Dwelling
25%inclusion1 decks4 decks
21%synergy
Rootwater Mystic
25%inclusion1 decks4 decks
25%synergy
Razorfin Abolisher
25%inclusion1 decks4 decks
25%synergy
Serpent of the Endless Sea
25%inclusion1 decks4 decks
25%synergy
Rishadan Dockhand
25%inclusion1 decks4 decks
24%synergy
Salvager of Secrets
25%inclusion1 decks4 decks
24%synergy
Tideshaper Mystic
25%inclusion1 decks4 decks
25%synergy
Marjhan
25%inclusion1 decks4 decks
25%synergy
Rootwater Diver
25%inclusion1 decks4 decks
25%synergy
Halimar Wavewatch
25%inclusion1 decks4 decks
25%synergy
Merfolk Wayfinder
25%inclusion1 decks4 decks
25%synergy
Reef Shaman
25%inclusion1 decks4 decks
25%synergy
Sigil Tracer
25%inclusion1 decks4 decks
24%synergy
Instants
Negate
75%inclusion3 decks4 decks
37%synergy
Rapid Hybridization
50%inclusion2 decks4 decks
16%synergy
Reality Shift
50%inclusion2 decks4 decks
22%synergy
Thassa's Rebuff
50%inclusion2 decks4 decks
49%synergy
Counterspell
50%inclusion2 decks4 decks
-17%synergy
Refute
33%inclusion1 decks3 decks
28%synergy
Pongify
25%inclusion1 decks4 decks
-15%synergy
An Offer You Can't Refuse
25%inclusion1 decks4 decks
-11%synergy
Brainstorm
25%inclusion1 decks4 decks
-16%synergy
Flare of Denial
25%inclusion1 decks4 decks
18%synergy
Essence Scatter
25%inclusion1 decks4 decks
21%synergy
Mystic Reflection
25%inclusion1 decks4 decks
23%synergy
Mana Drain
25%inclusion1 decks4 decks
-2%synergy
Aetherize
25%inclusion1 decks4 decks
-3%synergy
Strix Serenade
25%inclusion1 decks4 decks
15%synergy
Cancel
25%inclusion1 decks4 decks
20%synergy
Resculpt
25%inclusion1 decks4 decks
6%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
Rebound
25%inclusion1 decks4 decks
25%synergy
Engulf the Shore
25%inclusion1 decks4 decks
16%synergy
Cryptic Command
25%inclusion1 decks4 decks
14%synergy
Pull from Tomorrow
25%inclusion1 decks4 decks
16%synergy
Sink into Stupor
25%inclusion1 decks4 decks
4%synergy
Confound
25%inclusion1 decks4 decks
24%synergy
Long-Term Plans
25%inclusion1 decks4 decks
22%synergy
Abjure
25%inclusion1 decks4 decks
21%synergy
Evacuation
25%inclusion1 decks4 decks
17%synergy
Sorceries
Aquitect's Will
50%inclusion2 decks4 decks
45%synergy
Ponder
25%inclusion1 decks4 decks
-5%synergy
Sea Gate Restoration
25%inclusion1 decks4 decks
10%synergy
Crashing Tide
25%inclusion1 decks4 decks
25%synergy
Braingeyser
25%inclusion1 decks4 decks
24%synergy
Expropriate
25%inclusion1 decks4 decks
21%synergy
Distant Melody
25%inclusion1 decks4 decks
20%synergy
Spectral Deluge
25%inclusion1 decks4 decks
14%synergy
Maddening Cacophony
25%inclusion1 decks4 decks
18%synergy
Raise the Palisade
25%inclusion1 decks4 decks
22%synergy
Utility Artifacts
Herald's Horn
75%inclusion3 decks4 decks
73%synergy
Sapphire Medallion
75%inclusion3 decks4 decks
18%synergy
Door of Destinies
50%inclusion2 decks4 decks
49%synergy
Kefnet's Monument
50%inclusion2 decks4 decks
43%synergy
Bident of Thassa
50%inclusion2 decks4 decks
38%synergy
Banner of Kinship
33%inclusion1 decks3 decks
31%synergy
Icon of Ancestry
25%inclusion1 decks4 decks
24%synergy
Bitterthorn, Nissa's Animus
25%inclusion1 decks4 decks
24%synergy
Pyre of Heroes
25%inclusion1 decks4 decks
25%synergy
Hall of Triumph
25%inclusion1 decks4 decks
25%synergy
Stoneforge Masterwork
25%inclusion1 decks4 decks
25%synergy
Vanquisher's Banner
25%inclusion1 decks4 decks
24%synergy
Horn of the Mark
25%inclusion1 decks4 decks
25%synergy
Azor's Gateway
25%inclusion1 decks4 decks
25%synergy
Strionic Resonator
25%inclusion1 decks4 decks
23%synergy
Enchantments
Deeproot Pilgrimage
75%inclusion3 decks4 decks
74%synergy
Deeproot Waters
75%inclusion3 decks4 decks
74%synergy
Merrow Commerce
75%inclusion3 decks4 decks
74%synergy
Reflections of Littjara
75%inclusion3 decks4 decks
72%synergy
Kindred Discovery
50%inclusion2 decks4 decks
43%synergy
Spreading Seas
50%inclusion2 decks4 decks
49%synergy
Aquatic Incursion
50%inclusion2 decks4 decks
50%synergy
Reconnaissance Mission
25%inclusion1 decks4 decks
18%synergy
Cloak of Mists
25%inclusion1 decks4 decks
25%synergy
Intruder Alarm
25%inclusion1 decks4 decks
22%synergy
Curiosity
25%inclusion1 decks4 decks
22%synergy
Aqueous Form
25%inclusion1 decks4 decks
20%synergy
Wizard Class
25%inclusion1 decks4 decks
8%synergy
Traveler's Cloak
25%inclusion1 decks4 decks
25%synergy
Fishliver Oil
25%inclusion1 decks4 decks
24%synergy
Coastal Piracy
25%inclusion1 decks4 decks
21%synergy
Mystic Remora
25%inclusion1 decks4 decks
-2%synergy
Lingering Mirage
25%inclusion1 decks4 decks
25%synergy
Iceberg
25%inclusion1 decks4 decks
25%synergy
Propaganda
25%inclusion1 decks4 decks
-5%synergy
Diplomatic Immunity
25%inclusion1 decks4 decks
24%synergy
Lilting Refrain
25%inclusion1 decks4 decks
25%synergy
Pendrell Flux
25%inclusion1 decks4 decks
25%synergy
Utility Lands
Three Tree City
67%inclusion2 decks3 decks
63%synergy
Mystic Sanctuary
50%inclusion2 decks4 decks
-1%synergy
War Room
50%inclusion2 decks4 decks
34%synergy
Nykthos, Shrine to Nyx
50%inclusion2 decks4 decks
34%synergy
Reliquary Tower
50%inclusion2 decks4 decks
-6%synergy
Castle Vantress
50%inclusion2 decks4 decks
31%synergy
Mistrise Village
33%inclusion1 decks3 decks
24%synergy
Minamo, School at Water's Edge
25%inclusion1 decks4 decks
13%synergy
Remote Isle
25%inclusion1 decks4 decks
20%synergy
Halimar Depths
25%inclusion1 decks4 decks
15%synergy
Svyelunite Temple
25%inclusion1 decks4 decks
24%synergy
Lonely Sandbar
25%inclusion1 decks4 decks
11%synergy
Temple of the False God
25%inclusion1 decks4 decks
15%synergy
Otawara, Soaring City
25%inclusion1 decks4 decks
0%synergy
Saprazzan Cove
25%inclusion1 decks4 decks
25%synergy
Mana Artifacts
Sol Ring
75%inclusion3 decks4 decks
-10%synergy
Aetheric Amplifier
33%inclusion1 decks3 decks
33%synergy
Patchwork Banner
33%inclusion1 decks3 decks
30%synergy
Arcane Signet
25%inclusion1 decks4 decks
-40%synergy
Sky Diamond
25%inclusion1 decks4 decks
1%synergy
Heraldic Banner
25%inclusion1 decks4 decks
19%synergy
Thought Vessel
25%inclusion1 decks4 decks
-27%synergy
Lands
Island
100%inclusion4 decks4 decks
7%synergy
Command Tower
25%inclusion1 decks4 decks
21%synergy
Myriad Landscape
25%inclusion1 decks4 decks
-2%synergy
Heap Gate
25%inclusion1 decks4 decks
25%synergy
Gond Gate
25%inclusion1 decks4 decks
25%synergy
Sea Gate Restoration
25%inclusion1 decks4 decks
10%synergy
Plaza of Harmony
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
Path of Ancestry
25%inclusion1 decks4 decks
21%synergy
Sink into Stupor
25%inclusion1 decks4 decks
4%synergy
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