Svyelun of Sea and Sky (Commander) - Expensive

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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Attuma, Atlantean Warlord
33%inclusion1 decks3 decks
31%synergy
Octopus Form
9.1%inclusion1 decks11 decks
5%synergy
Agna Qel'a
9.1%inclusion1 decks11 decks
2%synergy
White Lotus Tile
8.3%inclusion1 decks12 decks
7%synergy
Mechanical Glider
2.9%inclusion1 decks35 decks
3%synergy
High Synergy Cards
Master of the Pearl Trident
95%inclusion140 decks148 decks
93%synergy
Lord of Atlantis
94%inclusion139 decks148 decks
93%synergy
Vodalian Hexcatcher
90%inclusion133 decks148 decks
88%synergy
Merrow Reejerey
89%inclusion132 decks148 decks
88%synergy
Kopala, Warden of Waves
83%inclusion123 decks148 decks
82%synergy
Merfolk Sovereign
80%inclusion119 decks148 decks
79%synergy
Stonybrook Banneret
82%inclusion122 decks148 decks
79%synergy
Emperor Mihail II
78%inclusion116 decks148 decks
77%synergy
Seafloor Oracle
75%inclusion111 decks148 decks
74%synergy
Thada Adel, Acquisitor
72%inclusion106 decks148 decks
70%synergy
Top Cards
Mana Drain
80%inclusion119 decks148 decks
53%synergy
Counterspell
75%inclusion111 decks148 decks
8%synergy
Sapphire Medallion
74%inclusion109 decks148 decks
16%synergy
Harbinger of the Seas
74%inclusion92 decks125 decks
65%synergy
Deeproot Pilgrimage
71%inclusion105 decks148 decks
69%synergy
Thieving Skydiver
70%inclusion104 decks148 decks
66%synergy
Merrow Commerce
70%inclusion103 decks148 decks
69%synergy
Lullmage Mentor
69%inclusion102 decks148 decks
67%synergy
Tishana's Tidebinder
69%inclusion102 decks148 decks
64%synergy
Merrow Harbinger
63%inclusion93 decks148 decks
62%synergy
Game Changers
Cyclonic Rift
84%inclusion125 decks148 decks
50%synergy
Rhystic Study
80%inclusion119 decks148 decks
47%synergy
Fierce Guardianship
74%inclusion109 decks148 decks
50%synergy
Force of Will
73%inclusion108 decks148 decks
55%synergy
Mystical Tutor
49%inclusion72 decks148 decks
25%synergy
Thassa's Oracle
47%inclusion70 decks148 decks
34%synergy
Ancient Tomb
36%inclusion54 decks148 decks
24%synergy
Chrome Mox
29%inclusion43 decks148 decks
20%synergy
The One Ring
22%inclusion33 decks148 decks
10%synergy
Mana Vault
19%inclusion28 decks148 decks
8%synergy
Creatures
Merfolk Trickster
62%inclusion92 decks148 decks
61%synergy
Tide Shaper
60%inclusion89 decks148 decks
59%synergy
Wanderwine Prophets
58%inclusion86 decks148 decks
58%synergy
True-Name Nemesis
53%inclusion79 decks148 decks
53%synergy
Seahunter
52%inclusion77 decks148 decks
51%synergy
Silvergill Adept
51%inclusion75 decks148 decks
50%synergy
Harbinger of the Tides
48%inclusion71 decks148 decks
47%synergy
Mist Dancer
45%inclusion66 decks148 decks
44%synergy
Empress Galina
45%inclusion66 decks148 decks
44%synergy
Deepchannel Mentor
43%inclusion63 decks148 decks
41%synergy
Coralhelm Commander
41%inclusion61 decks148 decks
40%synergy
Cursecatcher
41%inclusion61 decks148 decks
40%synergy
Master of Waves
39%inclusion58 decks148 decks
35%synergy
Rishadan Dockhand
34%inclusion50 decks148 decks
33%synergy
Mindspring Merfolk
33%inclusion23 decks69 decks
33%synergy
Roaming Throne
32%inclusion47 decks148 decks
27%synergy
Glasspool Mimic
32%inclusion47 decks148 decks
26%synergy
Cosi's Trickster
31%inclusion46 decks148 decks
30%synergy
Thassa, God of the Sea
28%inclusion41 decks148 decks
24%synergy
Mist-Cloaked Herald
28%inclusion41 decks148 decks
25%synergy
Tempest Caller
26%inclusion39 decks148 decks
25%synergy
Mistcaller
26%inclusion38 decks148 decks
25%synergy
Kiora, the Rising Tide
24%inclusion20 decks83 decks
21%synergy
Triton Shorestalker
22%inclusion33 decks148 decks
20%synergy
River Sneak
22%inclusion32 decks148 decks
21%synergy
Sea Scryer
20%inclusion30 decks148 decks
19%synergy
Surgespanner
20%inclusion29 decks148 decks
19%synergy
Sigil Tracer
19%inclusion28 decks148 decks
18%synergy
Metallic Mimic
19%inclusion28 decks148 decks
18%synergy
Wake Thrasher
19%inclusion28 decks148 decks
18%synergy
Summon: Leviathan
19%inclusion10 decks54 decks
17%synergy
Alandra, Sky Dreamer
18%inclusion27 decks148 decks
11%synergy
Floodpits Drowner
18%inclusion17 decks95 decks
17%synergy
Titan of Littjara
17%inclusion25 decks148 decks
15%synergy
Talrand, Sky Summoner
17%inclusion25 decks148 decks
3%synergy
Phyrexian Metamorph
16%inclusion23 decks148 decks
-3%synergy
Enduring Curiosity
15%inclusion15 decks98 decks
9%synergy
Phantasmal Image
14%inclusion21 decks148 decks
9%synergy
Tidal Warrior
14%inclusion21 decks148 decks
14%synergy
Rootwater Thief
14%inclusion20 decks148 decks
13%synergy
Gray Harbor Merfolk
11%inclusion17 decks148 decks
11%synergy
Stormtide Leviathan
11%inclusion17 decks148 decks
5%synergy
Defiler of Dreams
11%inclusion16 decks148 decks
2%synergy
Merfolk Looter
11%inclusion16 decks148 decks
8%synergy
Thassa, Deep-Dwelling
10%inclusion15 decks148 decks
6%synergy
Spark Double
10%inclusion15 decks148 decks
-3%synergy
Merfolk Windrobber
10%inclusion15 decks148 decks
9%synergy
Emry, Lurker of the Loch
9.5%inclusion14 decks148 decks
-2%synergy
Benthic Biomancer
9.5%inclusion14 decks148 decks
9%synergy
Sakashima of a Thousand Faces
8.8%inclusion13 decks148 decks
3%synergy
Instants
Force of Negation
60%inclusion89 decks148 decks
45%synergy
Swan Song
59%inclusion88 decks148 decks
33%synergy
Pongify
57%inclusion84 decks148 decks
17%synergy
Rapid Hybridization
55%inclusion81 decks148 decks
20%synergy
High Tide
49%inclusion72 decks148 decks
4%synergy
An Offer You Can't Refuse
41%inclusion60 decks148 decks
4%synergy
Flare of Denial
40%inclusion50 decks126 decks
33%synergy
Brainstorm
34%inclusion50 decks148 decks
-7%synergy
Sink into Stupor
33%inclusion41 decks125 decks
11%synergy
Pact of Negation
28%inclusion42 decks148 decks
18%synergy
Cryptic Command
26%inclusion39 decks148 decks
15%synergy
March of Swirling Mist
26%inclusion38 decks148 decks
18%synergy
Reality Shift
26%inclusion38 decks148 decks
-2%synergy
Flusterstorm
26%inclusion38 decks148 decks
16%synergy
Arcane Denial
23%inclusion34 decks148 decks
-13%synergy
Negate
23%inclusion34 decks148 decks
-15%synergy
Strix Serenade
22%inclusion27 decks125 decks
12%synergy
Resculpt
20%inclusion29 decks148 decks
1%synergy
Aetherize
19%inclusion28 decks148 decks
-9%synergy
Muddle the Mixture
18%inclusion27 decks148 decks
2%synergy
Archmage's Charm
15%inclusion22 decks148 decks
-2%synergy
Mental Misstep
14%inclusion21 decks148 decks
7%synergy
Thassa's Rebuff
13%inclusion19 decks148 decks
12%synergy
Spell Pierce
12%inclusion18 decks148 decks
4%synergy
Snap
12%inclusion18 decks148 decks
-6%synergy
Narset's Reversal
12%inclusion18 decks148 decks
0%synergy
Mindbreak Trap
11%inclusion17 decks148 decks
6%synergy
Chain of Vapor
10%inclusion15 decks148 decks
5%synergy
Wash Away
10%inclusion15 decks148 decks
5%synergy
Filter Out
9.5%inclusion14 decks148 decks
5%synergy
Dramatic Reversal
8.8%inclusion13 decks148 decks
-11%synergy
Three Steps Ahead
7.7%inclusion10 decks130 decks
-2%synergy
Misdirection
7.4%inclusion11 decks148 decks
2%synergy
Mystic Confluence
6.8%inclusion10 decks148 decks
-3%synergy
Frantic Search
6.1%inclusion9 decks148 decks
-24%synergy
Disallow
6.1%inclusion9 decks148 decks
-1%synergy
Cyber Conversion
5.4%inclusion8 decks148 decks
2%synergy
Mana Leak
5.4%inclusion8 decks148 decks
-1%synergy
Dispel
5.4%inclusion8 decks148 decks
-4%synergy
Stifle
5.4%inclusion8 decks148 decks
3%synergy
Sorceries
Raise the Palisade
41%inclusion60 decks148 decks
38%synergy
Sea Gate Restoration
38%inclusion56 decks148 decks
23%synergy
Aquitect's Will
37%inclusion55 decks148 decks
32%synergy
Distant Melody
34%inclusion51 decks148 decks
29%synergy
Ponder
30%inclusion45 decks148 decks
1%synergy
Windfall
18%inclusion26 decks148 decks
-5%synergy
Rite of Replication
16%inclusion23 decks148 decks
9%synergy
Preordain
11%inclusion16 decks148 decks
-13%synergy
Fabricate
10%inclusion15 decks148 decks
-12%synergy
Spectral Deluge
10%inclusion15 decks148 decks
-1%synergy
Merchant Scroll
8.8%inclusion13 decks148 decks
-1%synergy
Time Warp
8.1%inclusion12 decks148 decks
2%synergy
Inundate
8.1%inclusion12 decks148 decks
6%synergy
Curse of the Swine
7.4%inclusion11 decks148 decks
-4%synergy
Gitaxian Probe
6.8%inclusion10 decks148 decks
-5%synergy
Ravenform
6.8%inclusion10 decks148 decks
-3%synergy
Paradigm Shift
6.1%inclusion9 decks148 decks
5%synergy
Personal Tutor
6.1%inclusion9 decks148 decks
2%synergy
Step Through
6.1%inclusion9 decks148 decks
1%synergy
Temporal Mastery
5.4%inclusion8 decks148 decks
2%synergy
Irenicus's Vile Duplication
5.4%inclusion8 decks148 decks
-3%synergy
Utility Artifacts
Bident of Thassa
55%inclusion82 decks148 decks
44%synergy
Lightning Greaves
34%inclusion50 decks148 decks
8%synergy
Herald's Horn
31%inclusion46 decks148 decks
29%synergy
Quicksilver Fountain
28%inclusion41 decks148 decks
26%synergy
Vanquisher's Banner
24%inclusion36 decks148 decks
23%synergy
Kefnet's Monument
20%inclusion30 decks148 decks
14%synergy
Coat of Arms
20%inclusion30 decks148 decks
19%synergy
Commander's Plate
18%inclusion26 decks148 decks
13%synergy
Aether Vial
16%inclusion23 decks148 decks
15%synergy
Sword of the Animist
15%inclusion22 decks148 decks
9%synergy
Door of Destinies
14%inclusion20 decks148 decks
13%synergy
Sensei's Divining Top
10%inclusion15 decks148 decks
-5%synergy
Banner of Kinship
10%inclusion8 decks83 decks
7%synergy
Sword of Feast and Famine
8.8%inclusion13 decks148 decks
7%synergy
Urza's Incubator
8.8%inclusion13 decks148 decks
7%synergy
Isochron Scepter
8.1%inclusion12 decks148 decks
-10%synergy
Swiftfoot Boots
8.1%inclusion12 decks148 decks
-20%synergy
The Indomitable
7.4%inclusion11 decks148 decks
5%synergy
Winter Moon
6.3%inclusion8 decks126 decks
2%synergy
Wayfarer's Bauble
6.1%inclusion9 decks148 decks
-12%synergy
Sword of Hearth and Home
6.1%inclusion9 decks148 decks
4%synergy
Expedition Map
5.4%inclusion8 decks148 decks
1%synergy
Enchantments
Deeproot Waters
61%inclusion91 decks148 decks
60%synergy
Kindred Discovery
61%inclusion90 decks148 decks
54%synergy
Mystic Remora
61%inclusion90 decks148 decks
33%synergy
Reflections of Littjara
36%inclusion54 decks148 decks
33%synergy
Back to Basics
30%inclusion45 decks148 decks
23%synergy
Propaganda
27%inclusion40 decks148 decks
-3%synergy
Spreading Seas
24%inclusion35 decks148 decks
23%synergy
Reconnaissance Mission
18%inclusion27 decks148 decks
11%synergy
Imprisoned in the Moon
16%inclusion23 decks148 decks
4%synergy
Leyline of Anticipation
13%inclusion19 decks148 decks
3%synergy
Wizard Class
13%inclusion19 decks148 decks
-4%synergy
Coastal Piracy
11%inclusion16 decks148 decks
7%synergy
Intruder Alarm
11%inclusion16 decks148 decks
8%synergy
Teferi's Ageless Insight
10%inclusion15 decks148 decks
-7%synergy
Amphibian Downpour
10%inclusion12 decks123 decks
4%synergy
Witness Protection
7.4%inclusion11 decks148 decks
2%synergy
Military Intelligence
6.8%inclusion10 decks148 decks
5%synergy
Dress Down
6.1%inclusion9 decks148 decks
4%synergy
Curiosity
6.1%inclusion9 decks148 decks
3%synergy
Eaten by Piranhas
6.1%inclusion9 decks148 decks
3%synergy
Planeswalkers
Narset, Parter of Veils
18%inclusion27 decks148 decks
7%synergy
Utility Lands
Nykthos, Shrine to Nyx
78%inclusion116 decks148 decks
62%synergy
Mystic Sanctuary
74%inclusion109 decks148 decks
23%synergy
Otawara, Soaring City
69%inclusion102 decks148 decks
44%synergy
Minamo, School at Water's Edge
60%inclusion89 decks148 decks
48%synergy
Reliquary Tower
56%inclusion83 decks148 decks
0%synergy
Three Tree City
50%inclusion54 decks108 decks
47%synergy
Castle Vantress
38%inclusion56 decks148 decks
19%synergy
Mutavault
35%inclusion52 decks148 decks
34%synergy
Urza's Saga
22%inclusion32 decks148 decks
5%synergy
Academy Ruins
20%inclusion29 decks148 decks
1%synergy
Rivendell
19%inclusion28 decks148 decks
7%synergy
War Room
18%inclusion26 decks148 decks
1%synergy
Riptide Laboratory
16%inclusion23 decks148 decks
5%synergy
Rogue's Passage
11%inclusion16 decks148 decks
-4%synergy
Halimar Depths
10%inclusion15 decks148 decks
0%synergy
Mistrise Village
10%inclusion6 decks60 decks
1%synergy
Wasteland
8.8%inclusion13 decks148 decks
7%synergy
Strip Mine
8.8%inclusion13 decks148 decks
6%synergy
Hall of Storm Giants
8.8%inclusion13 decks148 decks
6%synergy
Tolaria West
8.8%inclusion13 decks148 decks
3%synergy
Lonely Sandbar
7.4%inclusion11 decks148 decks
-7%synergy
Scavenger Grounds
7.4%inclusion11 decks148 decks
0%synergy
Maze of Ith
6.8%inclusion10 decks148 decks
2%synergy
Cephalid Coliseum
6.8%inclusion10 decks148 decks
-2%synergy
Mana Artifacts
Sol Ring
90%inclusion133 decks148 decks
4%synergy
Arcane Signet
68%inclusion101 decks148 decks
3%synergy
Thought Vessel
39%inclusion58 decks148 decks
-13%synergy
Jeweled Lotus
26%inclusion38 decks148 decks
22%synergy
Throne of Eldraine
24%inclusion36 decks148 decks
15%synergy
Mana Crypt
19%inclusion28 decks148 decks
15%synergy
Patchwork Banner
19%inclusion20 decks107 decks
15%synergy
Lotus Petal
18%inclusion27 decks148 decks
6%synergy
Mox Amber
18%inclusion26 decks148 decks
10%synergy
Fellwar Stone
17%inclusion25 decks148 decks
-3%synergy
Mox Diamond
15%inclusion22 decks148 decks
9%synergy
Mind Stone
13%inclusion19 decks148 decks
-24%synergy
Nyx Lotus
12%inclusion18 decks148 decks
8%synergy
Heraldic Banner
11%inclusion17 decks148 decks
6%synergy
Midnight Clock
10%inclusion15 decks148 decks
-11%synergy
Caged Sun
9.5%inclusion14 decks148 decks
-2%synergy
Gauntlet of Power
9.5%inclusion14 decks148 decks
5%synergy
Mox Opal
8.1%inclusion12 decks148 decks
-2%synergy
Sceptre of Eternal Glory
7.4%inclusion11 decks148 decks
3%synergy
Extraplanar Lens
5.4%inclusion8 decks148 decks
-2%synergy
Sky Diamond
5.4%inclusion8 decks148 decks
-18%synergy
Lands
Island
89%inclusion131 decks148 decks
-5%synergy
Cavern of Souls
78%inclusion116 decks148 decks
74%synergy
Sea Gate Restoration
38%inclusion56 decks148 decks
23%synergy
Misty Rainforest
37%inclusion55 decks148 decks
29%synergy
Scalding Tarn
35%inclusion52 decks148 decks
27%synergy
Sink into Stupor
33%inclusion41 decks125 decks
11%synergy
Glasspool Mimic
32%inclusion47 decks148 decks
26%synergy
Flooded Strand
31%inclusion46 decks148 decks
23%synergy
Polluted Delta
29%inclusion43 decks148 decks
21%synergy
Path of Ancestry
28%inclusion42 decks148 decks
24%synergy
Prismatic Vista
20%inclusion29 decks148 decks
15%synergy
Gemstone Caverns
16%inclusion24 decks148 decks
10%synergy
Snow-Covered Island
14%inclusion20 decks148 decks
5%synergy
Fabled Passage
11%inclusion17 decks148 decks
9%synergy
Myriad Landscape
7.4%inclusion11 decks148 decks
-19%synergy
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