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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Namor the Sub-Mariner
28%inclusion5 decks18 decks
28%synergy
Attuma, Atlantean Warlord
28%inclusion5 decks18 decks
27%synergy
Harmonized Crescendo
17%inclusion1 decks6 decks
16%synergy
Agna Qel'a
8.3%inclusion2 decks24 decks
0%synergy
White Lotus Tile
8.0%inclusion2 decks25 decks
7%synergy
High Synergy Cards
Lord of Atlantis
95%inclusion140 decks148 decks
93%synergy
Master of the Pearl Trident
95%inclusion140 decks148 decks
93%synergy
Vodalian Hexcatcher
90%inclusion133 decks148 decks
88%synergy
Merrow Reejerey
90%inclusion133 decks148 decks
88%synergy
Kopala, Warden of Waves
82%inclusion122 decks148 decks
81%synergy
Stonybrook Banneret
83%inclusion123 decks148 decks
79%synergy
Merfolk Sovereign
80%inclusion118 decks148 decks
78%synergy
Emperor Mihail II
79%inclusion117 decks148 decks
78%synergy
Seafloor Oracle
73%inclusion108 decks148 decks
72%synergy
Deeproot Pilgrimage
72%inclusion107 decks148 decks
71%synergy
Top Cards
Mana Drain
82%inclusion121 decks148 decks
55%synergy
Counterspell
75%inclusion111 decks148 decks
8%synergy
Harbinger of the Seas
74%inclusion97 decks131 decks
65%synergy
Sapphire Medallion
72%inclusion107 decks148 decks
14%synergy
Merrow Commerce
70%inclusion104 decks148 decks
69%synergy
Thieving Skydiver
70%inclusion104 decks148 decks
66%synergy
Thada Adel, Acquisitor
70%inclusion103 decks148 decks
68%synergy
Lullmage Mentor
69%inclusion102 decks148 decks
67%synergy
Tishana's Tidebinder
69%inclusion102 decks148 decks
64%synergy
Merrow Harbinger
65%inclusion96 decks148 decks
64%synergy
Game Changers
Cyclonic Rift
86%inclusion128 decks148 decks
52%synergy
Rhystic Study
82%inclusion121 decks148 decks
49%synergy
Fierce Guardianship
73%inclusion108 decks148 decks
50%synergy
Force of Will
71%inclusion105 decks148 decks
53%synergy
Thassa's Oracle
49%inclusion72 decks148 decks
36%synergy
Mystical Tutor
48%inclusion71 decks148 decks
24%synergy
Ancient Tomb
39%inclusion58 decks148 decks
27%synergy
Chrome Mox
28%inclusion41 decks148 decks
18%synergy
The One Ring
22%inclusion32 decks148 decks
9%synergy
Narset, Parter of Veils
18%inclusion27 decks148 decks
7%synergy
Creatures
Tide Shaper
63%inclusion93 decks148 decks
62%synergy
Merfolk Trickster
62%inclusion92 decks148 decks
61%synergy
Wanderwine Prophets
61%inclusion91 decks148 decks
61%synergy
Seahunter
55%inclusion81 decks148 decks
54%synergy
True-Name Nemesis
51%inclusion76 decks148 decks
51%synergy
Silvergill Adept
51%inclusion76 decks148 decks
51%synergy
Harbinger of the Tides
47%inclusion69 decks148 decks
45%synergy
Mist Dancer
44%inclusion65 decks148 decks
43%synergy
Empress Galina
44%inclusion65 decks148 decks
43%synergy
Deepchannel Mentor
43%inclusion64 decks148 decks
42%synergy
Cursecatcher
42%inclusion62 decks148 decks
40%synergy
Master of Waves
38%inclusion56 decks148 decks
34%synergy
Coralhelm Commander
37%inclusion55 decks148 decks
36%synergy
Rishadan Dockhand
32%inclusion48 decks148 decks
32%synergy
Roaming Throne
32%inclusion47 decks148 decks
27%synergy
Glasspool Mimic
30%inclusion45 decks148 decks
24%synergy
Cosi's Trickster
28%inclusion42 decks148 decks
28%synergy
Mindspring Merfolk
28%inclusion21 decks75 decks
27%synergy
Tempest Caller
27%inclusion40 decks148 decks
26%synergy
Mist-Cloaked Herald
27%inclusion40 decks148 decks
25%synergy
Thassa, God of the Sea
26%inclusion39 decks148 decks
23%synergy
Triton Shorestalker
26%inclusion39 decks148 decks
24%synergy
Mistcaller
25%inclusion37 decks148 decks
24%synergy
Kiora, the Rising Tide
24%inclusion21 decks89 decks
20%synergy
River Sneak
21%inclusion31 decks148 decks
20%synergy
Metallic Mimic
20%inclusion30 decks148 decks
19%synergy
Summon: Leviathan
20%inclusion12 decks61 decks
18%synergy
Surgespanner
20%inclusion29 decks148 decks
19%synergy
Wake Thrasher
19%inclusion28 decks148 decks
18%synergy
Sigil Tracer
19%inclusion28 decks148 decks
18%synergy
Alandra, Sky Dreamer
19%inclusion28 decks148 decks
12%synergy
Talrand, Sky Summoner
18%inclusion26 decks148 decks
4%synergy
Sea Scryer
18%inclusion26 decks148 decks
17%synergy
Floodpits Drowner
17%inclusion17 decks100 decks
16%synergy
Titan of Littjara
17%inclusion25 decks148 decks
15%synergy
Enduring Curiosity
17%inclusion17 decks103 decks
10%synergy
Phyrexian Metamorph
16%inclusion24 decks148 decks
-3%synergy
Phantasmal Image
14%inclusion20 decks148 decks
8%synergy
Rootwater Thief
12%inclusion18 decks148 decks
12%synergy
Stormtide Leviathan
12%inclusion18 decks148 decks
5%synergy
Tidal Warrior
12%inclusion18 decks148 decks
12%synergy
Thassa, Deep-Dwelling
11%inclusion16 decks148 decks
7%synergy
Spark Double
11%inclusion16 decks148 decks
-3%synergy
Benthic Biomancer
11%inclusion16 decks148 decks
10%synergy
Merfolk Looter
10%inclusion15 decks148 decks
8%synergy
Defiler of Dreams
10%inclusion15 decks148 decks
1%synergy
Merfolk Windrobber
9.5%inclusion14 decks148 decks
9%synergy
Gray Harbor Merfolk
9.5%inclusion14 decks148 decks
9%synergy
Eluge, the Shoreless Sea
8.9%inclusion10 decks112 decks
1%synergy
Sakashima of a Thousand Faces
8.8%inclusion13 decks148 decks
3%synergy
Instants
Swan Song
61%inclusion90 decks148 decks
34%synergy
Force of Negation
58%inclusion86 decks148 decks
43%synergy
Pongify
55%inclusion81 decks148 decks
14%synergy
Rapid Hybridization
54%inclusion80 decks148 decks
20%synergy
High Tide
49%inclusion72 decks148 decks
4%synergy
An Offer You Can't Refuse
41%inclusion61 decks148 decks
4%synergy
Flare of Denial
40%inclusion53 decks132 decks
33%synergy
Brainstorm
34%inclusion51 decks148 decks
-7%synergy
Sink into Stupor
31%inclusion40 decks131 decks
9%synergy
Cryptic Command
26%inclusion39 decks148 decks
15%synergy
Pact of Negation
26%inclusion38 decks148 decks
15%synergy
March of Swirling Mist
25%inclusion37 decks148 decks
17%synergy
Negate
24%inclusion35 decks148 decks
-14%synergy
Flusterstorm
24%inclusion35 decks148 decks
14%synergy
Strix Serenade
23%inclusion30 decks131 decks
13%synergy
Reality Shift
22%inclusion33 decks148 decks
-5%synergy
Arcane Denial
22%inclusion32 decks148 decks
-15%synergy
Resculpt
21%inclusion31 decks148 decks
2%synergy
Aetherize
20%inclusion29 decks148 decks
-9%synergy
Muddle the Mixture
18%inclusion26 decks148 decks
2%synergy
Archmage's Charm
14%inclusion21 decks148 decks
-2%synergy
Snap
14%inclusion20 decks148 decks
-5%synergy
Spell Pierce
14%inclusion20 decks148 decks
5%synergy
Thassa's Rebuff
14%inclusion20 decks148 decks
12%synergy
Mental Misstep
11%inclusion17 decks148 decks
5%synergy
Narset's Reversal
11%inclusion17 decks148 decks
-1%synergy
Mindbreak Trap
11%inclusion16 decks148 decks
5%synergy
Wash Away
10%inclusion15 decks148 decks
5%synergy
Filter Out
10%inclusion15 decks148 decks
6%synergy
Dramatic Reversal
8.8%inclusion13 decks148 decks
-11%synergy
Chain of Vapor
8.1%inclusion12 decks148 decks
3%synergy
Misdirection
8.1%inclusion12 decks148 decks
3%synergy
Frantic Search
7.4%inclusion11 decks148 decks
-23%synergy
Dispel
6.8%inclusion10 decks148 decks
-3%synergy
Three Steps Ahead
6.7%inclusion9 decks135 decks
-3%synergy
Stifle
6.1%inclusion9 decks148 decks
4%synergy
Mystic Confluence
6.1%inclusion9 decks148 decks
-3%synergy
Cyber Conversion
6.1%inclusion9 decks148 decks
3%synergy
Daze
6.1%inclusion9 decks148 decks
4%synergy
Mana Leak
5.4%inclusion8 decks148 decks
-1%synergy
Slip Out the Back
5.4%inclusion8 decks148 decks
-2%synergy
Flow of Knowledge
5.4%inclusion8 decks148 decks
-11%synergy
Sorceries
Raise the Palisade
43%inclusion63 decks148 decks
39%synergy
Aquitect's Will
39%inclusion57 decks148 decks
33%synergy
Sea Gate Restoration
39%inclusion57 decks148 decks
24%synergy
Distant Melody
34%inclusion51 decks148 decks
29%synergy
Ponder
29%inclusion43 decks148 decks
-1%synergy
Windfall
18%inclusion27 decks148 decks
-5%synergy
Rite of Replication
16%inclusion23 decks148 decks
9%synergy
Preordain
11%inclusion17 decks148 decks
-13%synergy
Spectral Deluge
11%inclusion16 decks148 decks
0%synergy
Fabricate
9.5%inclusion14 decks148 decks
-12%synergy
Merchant Scroll
8.8%inclusion13 decks148 decks
-1%synergy
Inundate
8.1%inclusion12 decks148 decks
6%synergy
Time Warp
7.4%inclusion11 decks148 decks
1%synergy
Gitaxian Probe
6.1%inclusion9 decks148 decks
-5%synergy
Step Through
6.1%inclusion9 decks148 decks
1%synergy
Curse of the Swine
6.1%inclusion9 decks148 decks
-6%synergy
Paradigm Shift
6.1%inclusion9 decks148 decks
5%synergy
Personal Tutor
6.1%inclusion9 decks148 decks
2%synergy
Irenicus's Vile Duplication
5.4%inclusion8 decks148 decks
-3%synergy
Chart a Course
5.4%inclusion8 decks148 decks
1%synergy
Utility Artifacts
Bident of Thassa
57%inclusion84 decks148 decks
45%synergy
Lightning Greaves
32%inclusion48 decks148 decks
6%synergy
Herald's Horn
32%inclusion47 decks148 decks
30%synergy
Quicksilver Fountain
26%inclusion39 decks148 decks
25%synergy
Vanquisher's Banner
26%inclusion39 decks148 decks
25%synergy
Coat of Arms
22%inclusion32 decks148 decks
20%synergy
Kefnet's Monument
18%inclusion26 decks148 decks
11%synergy
Commander's Plate
17%inclusion25 decks148 decks
13%synergy
Sword of the Animist
16%inclusion23 decks148 decks
10%synergy
Aether Vial
15%inclusion22 decks148 decks
14%synergy
Door of Destinies
13%inclusion19 decks148 decks
12%synergy
Sensei's Divining Top
9.5%inclusion14 decks148 decks
-6%synergy
Swiftfoot Boots
9.5%inclusion14 decks148 decks
-19%synergy
Banner of Kinship
9.0%inclusion8 decks89 decks
6%synergy
Sword of Feast and Famine
8.8%inclusion13 decks148 decks
7%synergy
The Indomitable
7.4%inclusion11 decks148 decks
5%synergy
Urza's Incubator
7.4%inclusion11 decks148 decks
6%synergy
Isochron Scepter
7.4%inclusion11 decks148 decks
-11%synergy
Wayfarer's Bauble
6.1%inclusion9 decks148 decks
-12%synergy
Expedition Map
6.1%inclusion9 decks148 decks
2%synergy
Sword of Hearth and Home
6.1%inclusion9 decks148 decks
4%synergy
Winter Moon
6.1%inclusion8 decks132 decks
2%synergy
Enchantments
Deeproot Waters
64%inclusion95 decks148 decks
63%synergy
Kindred Discovery
64%inclusion94 decks148 decks
57%synergy
Mystic Remora
61%inclusion90 decks148 decks
34%synergy
Reflections of Littjara
40%inclusion59 decks148 decks
36%synergy
Back to Basics
29%inclusion43 decks148 decks
21%synergy
Spreading Seas
24%inclusion36 decks148 decks
23%synergy
Propaganda
24%inclusion35 decks148 decks
-6%synergy
Reconnaissance Mission
16%inclusion24 decks148 decks
9%synergy
Imprisoned in the Moon
14%inclusion20 decks148 decks
2%synergy
Leyline of Anticipation
14%inclusion20 decks148 decks
4%synergy
Wizard Class
14%inclusion20 decks148 decks
-3%synergy
Intruder Alarm
12%inclusion18 decks148 decks
9%synergy
Teferi's Ageless Insight
9.5%inclusion14 decks148 decks
-8%synergy
Coastal Piracy
9.5%inclusion14 decks148 decks
5%synergy
Amphibian Downpour
8.5%inclusion11 decks129 decks
3%synergy
Military Intelligence
7.4%inclusion11 decks148 decks
6%synergy
Curiosity
6.1%inclusion9 decks148 decks
3%synergy
Witness Protection
6.1%inclusion9 decks148 decks
0%synergy
Dress Down
6.1%inclusion9 decks148 decks
4%synergy
Unstoppable Plan
5.5%inclusion4 decks73 decks
-2%synergy
Sea's Claim
5.4%inclusion8 decks148 decks
5%synergy
Eaten by Piranhas
5.4%inclusion8 decks148 decks
2%synergy
Counterbalance
5.4%inclusion8 decks148 decks
2%synergy
Aquatic Incursion
5.4%inclusion8 decks148 decks
5%synergy
Planeswalkers
Teferi, Master of Time
5.4%inclusion8 decks148 decks
0%synergy
Utility Lands
Nykthos, Shrine to Nyx
80%inclusion119 decks148 decks
64%synergy
Mystic Sanctuary
74%inclusion109 decks148 decks
23%synergy
Otawara, Soaring City
68%inclusion101 decks148 decks
43%synergy
Minamo, School at Water's Edge
59%inclusion87 decks148 decks
47%synergy
Reliquary Tower
55%inclusion82 decks148 decks
-1%synergy
Three Tree City
51%inclusion58 decks113 decks
48%synergy
Castle Vantress
36%inclusion54 decks148 decks
18%synergy
Mutavault
34%inclusion50 decks148 decks
33%synergy
Urza's Saga
20%inclusion29 decks148 decks
3%synergy
Rivendell
20%inclusion29 decks148 decks
8%synergy
Academy Ruins
20%inclusion29 decks148 decks
1%synergy
War Room
19%inclusion28 decks148 decks
3%synergy
Riptide Laboratory
15%inclusion22 decks148 decks
5%synergy
Rogue's Passage
10%inclusion15 decks148 decks
-5%synergy
Halimar Depths
9.5%inclusion14 decks148 decks
-1%synergy
Mistrise Village
9.1%inclusion6 decks66 decks
0%synergy
Scavenger Grounds
8.8%inclusion13 decks148 decks
1%synergy
Tolaria West
8.1%inclusion12 decks148 decks
2%synergy
Wasteland
8.1%inclusion12 decks148 decks
7%synergy
Hall of Storm Giants
8.1%inclusion12 decks148 decks
6%synergy
Strip Mine
8.1%inclusion12 decks148 decks
5%synergy
Cephalid Coliseum
6.8%inclusion10 decks148 decks
-2%synergy
Lonely Sandbar
6.8%inclusion10 decks148 decks
-7%synergy
Maze of Ith
6.1%inclusion9 decks148 decks
1%synergy
Temple of the False God
5.4%inclusion8 decks148 decks
-5%synergy
Mana Artifacts
Sol Ring
89%inclusion132 decks148 decks
4%synergy
Arcane Signet
68%inclusion101 decks148 decks
3%synergy
Thought Vessel
42%inclusion62 decks148 decks
-10%synergy
Throne of Eldraine
23%inclusion34 decks148 decks
14%synergy
Jeweled Lotus
22%inclusion32 decks148 decks
19%synergy
Patchwork Banner
18%inclusion20 decks112 decks
14%synergy
Lotus Petal
18%inclusion26 decks148 decks
5%synergy
Mox Amber
17%inclusion25 decks148 decks
10%synergy
Mana Crypt
17%inclusion25 decks148 decks
14%synergy
Mana Vault
17%inclusion25 decks148 decks
6%synergy
Fellwar Stone
17%inclusion25 decks148 decks
-3%synergy
Nyx Lotus
14%inclusion20 decks148 decks
9%synergy
Mox Diamond
13%inclusion19 decks148 decks
7%synergy
Mind Stone
12%inclusion18 decks148 decks
-24%synergy
Heraldic Banner
11%inclusion16 decks148 decks
5%synergy
Caged Sun
9.5%inclusion14 decks148 decks
-2%synergy
Midnight Clock
9.5%inclusion14 decks148 decks
-11%synergy
Gauntlet of Power
8.8%inclusion13 decks148 decks
5%synergy
Mox Opal
6.1%inclusion9 decks148 decks
-4%synergy
Sky Diamond
5.4%inclusion8 decks148 decks
-18%synergy
Sceptre of Eternal Glory
5.4%inclusion8 decks148 decks
1%synergy
Lands
Island
90%inclusion133 decks148 decks
-4%synergy
Cavern of Souls
78%inclusion116 decks148 decks
74%synergy
Sea Gate Restoration
39%inclusion57 decks148 decks
24%synergy
Misty Rainforest
36%inclusion54 decks148 decks
29%synergy
Scalding Tarn
34%inclusion51 decks148 decks
27%synergy
Sink into Stupor
31%inclusion40 decks131 decks
9%synergy
Glasspool Mimic
30%inclusion45 decks148 decks
24%synergy
Flooded Strand
30%inclusion45 decks148 decks
22%synergy
Polluted Delta
29%inclusion43 decks148 decks
21%synergy
Path of Ancestry
28%inclusion42 decks148 decks
24%synergy
Prismatic Vista
18%inclusion27 decks148 decks
14%synergy
Gemstone Caverns
16%inclusion24 decks148 decks
10%synergy
Snow-Covered Island
12%inclusion18 decks148 decks
4%synergy
Fabled Passage
11%inclusion16 decks148 decks
8%synergy
Myriad Landscape
9.5%inclusion14 decks148 decks
-17%synergy
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