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
50%inclusion3 decks6 decks
50%synergy
Attuma, Atlantean Warlord
50%inclusion3 decks6 decks
48%synergy
Octopus Form
7.7%inclusion1 decks13 decks
3%synergy
Agna Qel'a
7.7%inclusion1 decks13 decks
0%synergy
White Lotus Tile
7.1%inclusion1 decks14 decks
6%synergy
High Synergy Cards
Master of the Pearl Trident
94%inclusion140 decks149 decks
92%synergy
Lord of Atlantis
93%inclusion139 decks149 decks
92%synergy
Vodalian Hexcatcher
89%inclusion133 decks149 decks
88%synergy
Merrow Reejerey
89%inclusion132 decks149 decks
87%synergy
Kopala, Warden of Waves
83%inclusion123 decks149 decks
81%synergy
Merfolk Sovereign
80%inclusion119 decks149 decks
78%synergy
Stonybrook Banneret
82%inclusion122 decks149 decks
78%synergy
Emperor Mihail II
78%inclusion116 decks149 decks
77%synergy
Seafloor Oracle
74%inclusion111 decks149 decks
73%synergy
Thada Adel, Acquisitor
70%inclusion105 decks149 decks
69%synergy
Top Cards
Mana Drain
81%inclusion120 decks149 decks
54%synergy
Counterspell
75%inclusion112 decks149 decks
9%synergy
Harbinger of the Seas
74%inclusion94 decks127 decks
65%synergy
Sapphire Medallion
72%inclusion108 decks149 decks
15%synergy
Thieving Skydiver
71%inclusion106 decks149 decks
67%synergy
Lullmage Mentor
70%inclusion104 decks149 decks
68%synergy
Deeproot Pilgrimage
70%inclusion104 decks149 decks
68%synergy
Merrow Commerce
69%inclusion103 decks149 decks
68%synergy
Tishana's Tidebinder
68%inclusion102 decks149 decks
64%synergy
Kindred Discovery
62%inclusion93 decks149 decks
56%synergy
Game Changers
Cyclonic Rift
85%inclusion127 decks149 decks
50%synergy
Rhystic Study
79%inclusion117 decks149 decks
45%synergy
Force of Will
74%inclusion111 decks149 decks
57%synergy
Fierce Guardianship
73%inclusion109 decks149 decks
50%synergy
Mystical Tutor
48%inclusion71 decks149 decks
24%synergy
Thassa's Oracle
48%inclusion71 decks149 decks
35%synergy
Ancient Tomb
38%inclusion57 decks149 decks
26%synergy
Chrome Mox
29%inclusion43 decks149 decks
19%synergy
The One Ring
22%inclusion33 decks149 decks
9%synergy
Mana Vault
19%inclusion28 decks149 decks
8%synergy
Creatures
Merfolk Trickster
62%inclusion93 decks149 decks
61%synergy
Tide Shaper
62%inclusion93 decks149 decks
61%synergy
Merrow Harbinger
62%inclusion93 decks149 decks
61%synergy
Wanderwine Prophets
59%inclusion88 decks149 decks
58%synergy
True-Name Nemesis
54%inclusion81 decks149 decks
54%synergy
Seahunter
53%inclusion79 decks149 decks
52%synergy
Silvergill Adept
52%inclusion77 decks149 decks
51%synergy
Harbinger of the Tides
48%inclusion72 decks149 decks
47%synergy
Empress Galina
44%inclusion66 decks149 decks
43%synergy
Deepchannel Mentor
43%inclusion64 decks149 decks
42%synergy
Mist Dancer
42%inclusion63 decks149 decks
41%synergy
Cursecatcher
42%inclusion62 decks149 decks
40%synergy
Coralhelm Commander
40%inclusion60 decks149 decks
39%synergy
Master of Waves
39%inclusion58 decks149 decks
35%synergy
Rishadan Dockhand
34%inclusion51 decks149 decks
34%synergy
Glasspool Mimic
32%inclusion47 decks149 decks
25%synergy
Roaming Throne
31%inclusion46 decks149 decks
26%synergy
Cosi's Trickster
30%inclusion45 decks149 decks
29%synergy
Mindspring Merfolk
30%inclusion21 decks70 decks
29%synergy
Thassa, God of the Sea
28%inclusion42 decks149 decks
24%synergy
Tempest Caller
28%inclusion41 decks149 decks
27%synergy
Mist-Cloaked Herald
27%inclusion40 decks149 decks
25%synergy
Mistcaller
26%inclusion38 decks149 decks
25%synergy
Triton Shorestalker
23%inclusion34 decks149 decks
20%synergy
Kiora, the Rising Tide
22%inclusion19 decks85 decks
19%synergy
Sea Scryer
21%inclusion31 decks149 decks
20%synergy
Surgespanner
20%inclusion30 decks149 decks
20%synergy
River Sneak
20%inclusion30 decks149 decks
19%synergy
Summon: Leviathan
20%inclusion11 decks55 decks
18%synergy
Metallic Mimic
19%inclusion28 decks149 decks
18%synergy
Wake Thrasher
19%inclusion28 decks149 decks
18%synergy
Sigil Tracer
19%inclusion28 decks149 decks
18%synergy
Alandra, Sky Dreamer
17%inclusion26 decks149 decks
11%synergy
Talrand, Sky Summoner
17%inclusion25 decks149 decks
3%synergy
Titan of Littjara
17%inclusion25 decks149 decks
15%synergy
Floodpits Drowner
16%inclusion16 decks97 decks
15%synergy
Phyrexian Metamorph
15%inclusion23 decks149 decks
-3%synergy
Enduring Curiosity
15%inclusion15 decks100 decks
9%synergy
Tidal Warrior
14%inclusion21 decks149 decks
14%synergy
Phantasmal Image
14%inclusion21 decks149 decks
9%synergy
Rootwater Thief
13%inclusion20 decks149 decks
13%synergy
Stormtide Leviathan
11%inclusion16 decks149 decks
4%synergy
Defiler of Dreams
11%inclusion16 decks149 decks
2%synergy
Thassa, Deep-Dwelling
10%inclusion15 decks149 decks
6%synergy
Spark Double
10%inclusion15 decks149 decks
-3%synergy
Benthic Biomancer
10%inclusion15 decks149 decks
9%synergy
Gray Harbor Merfolk
10%inclusion15 decks149 decks
10%synergy
Merfolk Looter
10%inclusion15 decks149 decks
8%synergy
Merfolk Windrobber
9.4%inclusion14 decks149 decks
9%synergy
Sakashima of a Thousand Faces
8.7%inclusion13 decks149 decks
3%synergy
Instants
Swan Song
60%inclusion90 decks149 decks
34%synergy
Force of Negation
60%inclusion90 decks149 decks
45%synergy
Pongify
56%inclusion84 decks149 decks
16%synergy
Rapid Hybridization
55%inclusion82 decks149 decks
21%synergy
High Tide
48%inclusion71 decks149 decks
3%synergy
Flare of Denial
41%inclusion53 decks128 decks
35%synergy
An Offer You Can't Refuse
41%inclusion61 decks149 decks
4%synergy
Sink into Stupor
34%inclusion43 decks127 decks
12%synergy
Brainstorm
32%inclusion48 decks149 decks
-9%synergy
Pact of Negation
28%inclusion41 decks149 decks
17%synergy
Cryptic Command
27%inclusion40 decks149 decks
15%synergy
March of Swirling Mist
27%inclusion40 decks149 decks
19%synergy
Flusterstorm
26%inclusion38 decks149 decks
16%synergy
Reality Shift
26%inclusion38 decks149 decks
-2%synergy
Arcane Denial
23%inclusion34 decks149 decks
-13%synergy
Negate
22%inclusion33 decks149 decks
-16%synergy
Strix Serenade
22%inclusion28 decks127 decks
12%synergy
Resculpt
21%inclusion31 decks149 decks
2%synergy
Aetherize
19%inclusion28 decks149 decks
-10%synergy
Muddle the Mixture
18%inclusion27 decks149 decks
2%synergy
Archmage's Charm
15%inclusion23 decks149 decks
-1%synergy
Mental Misstep
15%inclusion22 decks149 decks
8%synergy
Thassa's Rebuff
14%inclusion21 decks149 decks
13%synergy
Snap
13%inclusion19 decks149 decks
-5%synergy
Spell Pierce
13%inclusion19 decks149 decks
4%synergy
Narset's Reversal
11%inclusion17 decks149 decks
-1%synergy
Mindbreak Trap
11%inclusion17 decks149 decks
6%synergy
Wash Away
11%inclusion16 decks149 decks
6%synergy
Chain of Vapor
10%inclusion15 decks149 decks
5%synergy
Filter Out
9.4%inclusion14 decks149 decks
5%synergy
Dramatic Reversal
8.7%inclusion13 decks149 decks
-11%synergy
Three Steps Ahead
8.3%inclusion11 decks132 decks
-2%synergy
Misdirection
8.1%inclusion12 decks149 decks
3%synergy
Mystic Confluence
7.4%inclusion11 decks149 decks
-2%synergy
Disallow
6.7%inclusion10 decks149 decks
0%synergy
Frantic Search
6.0%inclusion9 decks149 decks
-24%synergy
Daze
6.0%inclusion9 decks149 decks
4%synergy
Stifle
6.0%inclusion9 decks149 decks
4%synergy
Cyber Conversion
6.0%inclusion9 decks149 decks
2%synergy
Mana Leak
6.0%inclusion9 decks149 decks
-1%synergy
Dispel
5.4%inclusion8 decks149 decks
-4%synergy
Tale's End
5.4%inclusion8 decks149 decks
2%synergy
Sorceries
Raise the Palisade
40%inclusion60 decks149 decks
37%synergy
Sea Gate Restoration
38%inclusion57 decks149 decks
24%synergy
Aquitect's Will
37%inclusion55 decks149 decks
32%synergy
Distant Melody
35%inclusion52 decks149 decks
30%synergy
Ponder
30%inclusion45 decks149 decks
1%synergy
Windfall
17%inclusion26 decks149 decks
-5%synergy
Rite of Replication
15%inclusion23 decks149 decks
9%synergy
Preordain
11%inclusion16 decks149 decks
-13%synergy
Spectral Deluge
10%inclusion15 decks149 decks
-1%synergy
Fabricate
10%inclusion15 decks149 decks
-12%synergy
Merchant Scroll
8.7%inclusion13 decks149 decks
-1%synergy
Time Warp
8.7%inclusion13 decks149 decks
3%synergy
Inundate
7.4%inclusion11 decks149 decks
6%synergy
Curse of the Swine
7.4%inclusion11 decks149 decks
-4%synergy
Gitaxian Probe
6.0%inclusion9 decks149 decks
-5%synergy
Step Through
6.0%inclusion9 decks149 decks
1%synergy
Paradigm Shift
6.0%inclusion9 decks149 decks
5%synergy
Personal Tutor
6.0%inclusion9 decks149 decks
2%synergy
Ravenform
6.0%inclusion9 decks149 decks
-4%synergy
Temporal Mastery
5.4%inclusion8 decks149 decks
2%synergy
Irenicus's Vile Duplication
5.4%inclusion8 decks149 decks
-3%synergy
Utility Artifacts
Bident of Thassa
56%inclusion84 decks149 decks
45%synergy
Lightning Greaves
34%inclusion51 decks149 decks
8%synergy
Herald's Horn
31%inclusion46 decks149 decks
29%synergy
Quicksilver Fountain
30%inclusion44 decks149 decks
28%synergy
Vanquisher's Banner
26%inclusion38 decks149 decks
24%synergy
Coat of Arms
19%inclusion29 decks149 decks
18%synergy
Kefnet's Monument
18%inclusion27 decks149 decks
12%synergy
Commander's Plate
17%inclusion26 decks149 decks
13%synergy
Aether Vial
15%inclusion23 decks149 decks
15%synergy
Sword of the Animist
15%inclusion22 decks149 decks
9%synergy
Door of Destinies
12%inclusion18 decks149 decks
11%synergy
Banner of Kinship
9.4%inclusion8 decks85 decks
7%synergy
Sensei's Divining Top
9.4%inclusion14 decks149 decks
-6%synergy
Sword of Feast and Famine
8.7%inclusion13 decks149 decks
7%synergy
Urza's Incubator
8.1%inclusion12 decks149 decks
7%synergy
Swiftfoot Boots
8.1%inclusion12 decks149 decks
-20%synergy
Isochron Scepter
8.1%inclusion12 decks149 decks
-10%synergy
The Indomitable
7.4%inclusion11 decks149 decks
5%synergy
Winter Moon
7.0%inclusion9 decks128 decks
2%synergy
Wayfarer's Bauble
6.0%inclusion9 decks149 decks
-12%synergy
Sword of Hearth and Home
6.0%inclusion9 decks149 decks
4%synergy
Expedition Map
5.4%inclusion8 decks149 decks
1%synergy
Vedalken Shackles
5.4%inclusion8 decks149 decks
3%synergy
Enchantments
Mystic Remora
61%inclusion91 decks149 decks
34%synergy
Deeproot Waters
61%inclusion91 decks149 decks
60%synergy
Reflections of Littjara
38%inclusion57 decks149 decks
35%synergy
Back to Basics
31%inclusion46 decks149 decks
23%synergy
Propaganda
26%inclusion38 decks149 decks
-4%synergy
Spreading Seas
24%inclusion36 decks149 decks
23%synergy
Reconnaissance Mission
17%inclusion26 decks149 decks
11%synergy
Imprisoned in the Moon
15%inclusion22 decks149 decks
3%synergy
Leyline of Anticipation
12%inclusion18 decks149 decks
3%synergy
Wizard Class
12%inclusion18 decks149 decks
-5%synergy
Intruder Alarm
11%inclusion17 decks149 decks
8%synergy
Coastal Piracy
11%inclusion16 decks149 decks
6%synergy
Amphibian Downpour
10%inclusion13 decks125 decks
5%synergy
Teferi's Ageless Insight
10%inclusion15 decks149 decks
-7%synergy
Witness Protection
7.4%inclusion11 decks149 decks
2%synergy
Military Intelligence
6.7%inclusion10 decks149 decks
5%synergy
Curiosity
6.0%inclusion9 decks149 decks
3%synergy
Dress Down
6.0%inclusion9 decks149 decks
4%synergy
Eaten by Piranhas
6.0%inclusion9 decks149 decks
3%synergy
Planeswalkers
Narset, Parter of Veils
18%inclusion27 decks149 decks
7%synergy
Utility Lands
Nykthos, Shrine to Nyx
79%inclusion117 decks149 decks
62%synergy
Mystic Sanctuary
76%inclusion113 decks149 decks
25%synergy
Otawara, Soaring City
69%inclusion103 decks149 decks
44%synergy
Minamo, School at Water's Edge
59%inclusion88 decks149 decks
47%synergy
Reliquary Tower
56%inclusion84 decks149 decks
0%synergy
Three Tree City
51%inclusion56 decks110 decks
47%synergy
Castle Vantress
39%inclusion58 decks149 decks
20%synergy
Mutavault
35%inclusion52 decks149 decks
34%synergy
Urza's Saga
23%inclusion34 decks149 decks
6%synergy
Academy Ruins
20%inclusion30 decks149 decks
2%synergy
Rivendell
18%inclusion27 decks149 decks
6%synergy
War Room
17%inclusion26 decks149 decks
1%synergy
Riptide Laboratory
15%inclusion22 decks149 decks
4%synergy
Rogue's Passage
11%inclusion16 decks149 decks
-4%synergy
Halimar Depths
10%inclusion15 decks149 decks
0%synergy
Mistrise Village
10%inclusion6 decks61 decks
1%synergy
Hall of Storm Giants
9.4%inclusion14 decks149 decks
7%synergy
Strip Mine
9.4%inclusion14 decks149 decks
6%synergy
Wasteland
8.7%inclusion13 decks149 decks
7%synergy
Tolaria West
8.7%inclusion13 decks149 decks
3%synergy
Scavenger Grounds
8.1%inclusion12 decks149 decks
1%synergy
Lonely Sandbar
7.4%inclusion11 decks149 decks
-7%synergy
Maze of Ith
6.7%inclusion10 decks149 decks
2%synergy
Cephalid Coliseum
6.7%inclusion10 decks149 decks
-2%synergy
Mana Artifacts
Sol Ring
89%inclusion132 decks149 decks
3%synergy
Arcane Signet
68%inclusion102 decks149 decks
3%synergy
Thought Vessel
40%inclusion59 decks149 decks
-12%synergy
Jeweled Lotus
26%inclusion38 decks149 decks
22%synergy
Throne of Eldraine
24%inclusion36 decks149 decks
15%synergy
Patchwork Banner
19%inclusion21 decks109 decks
16%synergy
Mana Crypt
19%inclusion28 decks149 decks
15%synergy
Lotus Petal
18%inclusion27 decks149 decks
6%synergy
Mox Amber
17%inclusion26 decks149 decks
10%synergy
Fellwar Stone
17%inclusion25 decks149 decks
-3%synergy
Mox Diamond
15%inclusion22 decks149 decks
9%synergy
Mind Stone
13%inclusion20 decks149 decks
-23%synergy
Nyx Lotus
12%inclusion18 decks149 decks
8%synergy
Heraldic Banner
11%inclusion16 decks149 decks
5%synergy
Midnight Clock
11%inclusion16 decks149 decks
-10%synergy
Gauntlet of Power
8.7%inclusion13 decks149 decks
4%synergy
Caged Sun
8.1%inclusion12 decks149 decks
-4%synergy
Mox Opal
8.1%inclusion12 decks149 decks
-2%synergy
Sceptre of Eternal Glory
6.7%inclusion10 decks149 decks
3%synergy
Sky Diamond
6.0%inclusion9 decks149 decks
-17%synergy
Extraplanar Lens
5.4%inclusion8 decks149 decks
-2%synergy
Lands
Island
89%inclusion133 decks149 decks
-4%synergy
Cavern of Souls
79%inclusion117 decks149 decks
74%synergy
Misty Rainforest
38%inclusion57 decks149 decks
30%synergy
Sea Gate Restoration
38%inclusion57 decks149 decks
24%synergy
Scalding Tarn
36%inclusion54 decks149 decks
28%synergy
Sink into Stupor
34%inclusion43 decks127 decks
12%synergy
Glasspool Mimic
32%inclusion47 decks149 decks
25%synergy
Flooded Strand
32%inclusion47 decks149 decks
23%synergy
Polluted Delta
30%inclusion45 decks149 decks
22%synergy
Path of Ancestry
28%inclusion42 decks149 decks
24%synergy
Prismatic Vista
21%inclusion31 decks149 decks
16%synergy
Gemstone Caverns
16%inclusion24 decks149 decks
10%synergy
Snow-Covered Island
13%inclusion19 decks149 decks
5%synergy
Fabled Passage
11%inclusion17 decks149 decks
9%synergy
Myriad Landscape
8.7%inclusion13 decks149 decks
-18%synergy
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