Svyelun of Sea and Sky (Commander) - Expensive 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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Lord of Atlantis
98%inclusion55 decks56 decks
97%synergy
Master of the Pearl Trident
98%inclusion55 decks56 decks
97%synergy
Vodalian Hexcatcher
93%inclusion52 decks56 decks
91%synergy
Merrow Reejerey
93%inclusion52 decks56 decks
91%synergy
Kopala, Warden of Waves
91%inclusion51 decks56 decks
90%synergy
Emperor Mihail II
88%inclusion49 decks56 decks
87%synergy
Merfolk Sovereign
86%inclusion48 decks56 decks
84%synergy
Thada Adel, Acquisitor
86%inclusion48 decks56 decks
84%synergy
Seafloor Oracle
84%inclusion47 decks56 decks
83%synergy
Stonybrook Banneret
86%inclusion48 decks56 decks
82%synergy
Top Cards
Mana Drain
89%inclusion50 decks56 decks
62%synergy
Lullmage Mentor
82%inclusion46 decks56 decks
81%synergy
Sapphire Medallion
80%inclusion45 decks56 decks
23%synergy
Thieving Skydiver
80%inclusion45 decks56 decks
76%synergy
Force of Negation
79%inclusion44 decks56 decks
63%synergy
Deeproot Pilgrimage
75%inclusion42 decks56 decks
73%synergy
Merfolk Trickster
75%inclusion42 decks56 decks
73%synergy
Wanderwine Prophets
73%inclusion41 decks56 decks
73%synergy
Merrow Harbinger
71%inclusion40 decks56 decks
70%synergy
Tishana's Tidebinder
71%inclusion40 decks56 decks
67%synergy
Game Changers
Cyclonic Rift
95%inclusion53 decks56 decks
60%synergy
Rhystic Study
88%inclusion49 decks56 decks
54%synergy
Force of Will
86%inclusion48 decks56 decks
68%synergy
Fierce Guardianship
84%inclusion47 decks56 decks
61%synergy
Mystical Tutor
55%inclusion31 decks56 decks
31%synergy
Thassa's Oracle
54%inclusion30 decks56 decks
41%synergy
Ancient Tomb
54%inclusion30 decks56 decks
41%synergy
Chrome Mox
45%inclusion25 decks56 decks
35%synergy
The One Ring
32%inclusion18 decks56 decks
19%synergy
Mana Vault
25%inclusion14 decks56 decks
14%synergy
Creatures
Harbinger of the Seas
67%inclusion28 decks42 decks
58%synergy
True-Name Nemesis
64%inclusion36 decks56 decks
63%synergy
Tide Shaper
64%inclusion36 decks56 decks
63%synergy
Seahunter
63%inclusion35 decks56 decks
62%synergy
Silvergill Adept
59%inclusion33 decks56 decks
58%synergy
Cursecatcher
57%inclusion32 decks56 decks
56%synergy
Deepchannel Mentor
52%inclusion29 decks56 decks
50%synergy
Harbinger of the Tides
52%inclusion29 decks56 decks
51%synergy
Coralhelm Commander
50%inclusion28 decks56 decks
49%synergy
Mist Dancer
48%inclusion27 decks56 decks
47%synergy
Rishadan Dockhand
46%inclusion26 decks56 decks
46%synergy
Empress Galina
45%inclusion25 decks56 decks
44%synergy
Master of Waves
39%inclusion22 decks56 decks
36%synergy
Cosi's Trickster
36%inclusion20 decks56 decks
35%synergy
Roaming Throne
32%inclusion18 decks56 decks
28%synergy
Thassa, God of the Sea
30%inclusion17 decks56 decks
27%synergy
Glasspool Mimic
29%inclusion16 decks56 decks
22%synergy
Mistcaller
27%inclusion15 decks56 decks
26%synergy
Titan of Littjara
27%inclusion15 decks56 decks
25%synergy
Kiora, the Rising Tide
27%inclusion4 decks15 decks
23%synergy
Surgespanner
25%inclusion14 decks56 decks
24%synergy
Tempest Caller
25%inclusion14 decks56 decks
24%synergy
Triton Shorestalker
23%inclusion13 decks56 decks
21%synergy
Sea Scryer
23%inclusion13 decks56 decks
22%synergy
Mist-Cloaked Herald
21%inclusion12 decks56 decks
19%synergy
Sigil Tracer
20%inclusion11 decks56 decks
18%synergy
Talrand, Sky Summoner
20%inclusion11 decks56 decks
6%synergy
Wake Thrasher
20%inclusion11 decks56 decks
19%synergy
Metallic Mimic
18%inclusion10 decks56 decks
17%synergy
Alandra, Sky Dreamer
18%inclusion10 decks56 decks
11%synergy
Mindspring Merfolk
17%inclusion1 decks6 decks
16%synergy
Phantasmal Image
16%inclusion9 decks56 decks
10%synergy
Enduring Curiosity
15%inclusion4 decks26 decks
9%synergy
Wonder
14%inclusion8 decks56 decks
9%synergy
Merfolk Looter
13%inclusion7 decks56 decks
10%synergy
River Sneak
13%inclusion7 decks56 decks
12%synergy
Defiler of Dreams
13%inclusion7 decks56 decks
4%synergy
Floodpits Drowner
12%inclusion3 decks25 decks
11%synergy
Phyrexian Metamorph
11%inclusion6 decks56 decks
-8%synergy
Subtlety
11%inclusion6 decks56 decks
9%synergy
Tideshaper Mystic
11%inclusion6 decks56 decks
10%synergy
Benthic Biomancer
11%inclusion6 decks56 decks
10%synergy
Gray Harbor Merfolk
11%inclusion6 decks56 decks
10%synergy
Tidebinder Mage
11%inclusion6 decks56 decks
10%synergy
Eluge, the Shoreless Sea
9.1%inclusion3 decks33 decks
1%synergy
Thassa, Deep-Dwelling
8.9%inclusion5 decks56 decks
5%synergy
Snapcaster Mage
8.9%inclusion5 decks56 decks
2%synergy
Sakashima of a Thousand Faces
8.9%inclusion5 decks56 decks
3%synergy
Tidal Warrior
8.9%inclusion5 decks56 decks
8%synergy
Merfolk Windrobber
8.9%inclusion5 decks56 decks
8%synergy
Instants
Rapid Hybridization
70%inclusion39 decks56 decks
35%synergy
Counterspell
68%inclusion38 decks56 decks
1%synergy
Pongify
64%inclusion36 decks56 decks
24%synergy
Swan Song
64%inclusion36 decks56 decks
38%synergy
High Tide
50%inclusion28 decks56 decks
6%synergy
Flare of Denial
45%inclusion19 decks42 decks
38%synergy
An Offer You Can't Refuse
45%inclusion25 decks56 decks
8%synergy
Flusterstorm
34%inclusion19 decks56 decks
24%synergy
Brainstorm
30%inclusion17 decks56 decks
-11%synergy
Pact of Negation
30%inclusion17 decks56 decks
20%synergy
Cryptic Command
27%inclusion15 decks56 decks
15%synergy
March of Swirling Mist
25%inclusion14 decks56 decks
17%synergy
Reality Shift
23%inclusion13 decks56 decks
-5%synergy
Resculpt
23%inclusion13 decks56 decks
4%synergy
Mental Misstep
21%inclusion12 decks56 decks
14%synergy
Aetherize
20%inclusion11 decks56 decks
-9%synergy
Strix Serenade
19%inclusion8 decks42 decks
10%synergy
Sink into Stupor
19%inclusion8 decks42 decks
-2%synergy
Chain of Vapor
18%inclusion10 decks56 decks
13%synergy
Muddle the Mixture
16%inclusion9 decks56 decks
0%synergy
Negate
16%inclusion9 decks56 decks
-22%synergy
Mindbreak Trap
14%inclusion8 decks56 decks
9%synergy
Arcane Denial
14%inclusion8 decks56 decks
-22%synergy
Thassa's Rebuff
11%inclusion6 decks56 decks
9%synergy
Archmage's Charm
8.9%inclusion5 decks56 decks
-8%synergy
Frantic Search
7.1%inclusion4 decks56 decks
-23%synergy
Delay
7.1%inclusion4 decks56 decks
3%synergy
Snap
7.1%inclusion4 decks56 decks
-11%synergy
Spell Pierce
7.1%inclusion4 decks56 decks
-1%synergy
Dramatic Reversal
7.1%inclusion4 decks56 decks
-13%synergy
Suspend
7.1%inclusion4 decks56 decks
5%synergy
Dispel
5.4%inclusion3 decks56 decks
-4%synergy
Filter Out
5.4%inclusion3 decks56 decks
1%synergy
Wash Away
5.4%inclusion3 decks56 decks
1%synergy
Stifle
5.4%inclusion3 decks56 decks
3%synergy
Unsubstantiate
5.4%inclusion3 decks56 decks
3%synergy
Misdirection
5.4%inclusion3 decks56 decks
0%synergy
Mystic Confluence
5.4%inclusion3 decks56 decks
-4%synergy
Narset's Reversal
5.4%inclusion3 decks56 decks
-7%synergy
Sorceries
Raise the Palisade
41%inclusion23 decks56 decks
38%synergy
Aquitect's Will
39%inclusion22 decks56 decks
34%synergy
Sea Gate Restoration
36%inclusion20 decks56 decks
21%synergy
Distant Melody
34%inclusion19 decks56 decks
29%synergy
Ponder
30%inclusion17 decks56 decks
1%synergy
Windfall
27%inclusion15 decks56 decks
4%synergy
Fabricate
13%inclusion7 decks56 decks
-9%synergy
Rite of Replication
13%inclusion7 decks56 decks
6%synergy
Curse of the Swine
11%inclusion6 decks56 decks
-1%synergy
Inundate
8.9%inclusion5 decks56 decks
7%synergy
Gitaxian Probe
8.9%inclusion5 decks56 decks
-3%synergy
Merchant Scroll
8.9%inclusion5 decks56 decks
-1%synergy
Preordain
8.9%inclusion5 decks56 decks
-15%synergy
Spectral Deluge
7.1%inclusion4 decks56 decks
-4%synergy
Ravenform
7.1%inclusion4 decks56 decks
-2%synergy
Temporal Mastery
5.4%inclusion3 decks56 decks
2%synergy
Irenicus's Vile Duplication
5.4%inclusion3 decks56 decks
-3%synergy
Timetwister
5.4%inclusion3 decks56 decks
3%synergy
Time Spiral
5.4%inclusion3 decks56 decks
4%synergy
Time Warp
5.4%inclusion3 decks56 decks
-1%synergy
Utility Artifacts
Bident of Thassa
57%inclusion32 decks56 decks
45%synergy
Lightning Greaves
45%inclusion25 decks56 decks
18%synergy
Herald's Horn
36%inclusion20 decks56 decks
34%synergy
Vanquisher's Banner
32%inclusion18 decks56 decks
31%synergy
Quicksilver Fountain
30%inclusion17 decks56 decks
29%synergy
Commander's Plate
18%inclusion10 decks56 decks
14%synergy
Coat of Arms
16%inclusion9 decks56 decks
15%synergy
Kefnet's Monument
16%inclusion9 decks56 decks
10%synergy
Aether Vial
16%inclusion9 decks56 decks
16%synergy
Sword of Feast and Famine
14%inclusion8 decks56 decks
13%synergy
Banner of Kinship
13%inclusion2 decks15 decks
11%synergy
Sensei's Divining Top
13%inclusion7 decks56 decks
-3%synergy
Sword of the Animist
13%inclusion7 decks56 decks
7%synergy
The Indomitable
11%inclusion6 decks56 decks
8%synergy
Door of Destinies
8.9%inclusion5 decks56 decks
8%synergy
Shadowspear
7.1%inclusion4 decks56 decks
5%synergy
Winter Moon
7.1%inclusion3 decks42 decks
3%synergy
Wayfarer's Bauble
5.4%inclusion3 decks56 decks
-13%synergy
Robe of the Archmagi
5.4%inclusion3 decks56 decks
4%synergy
Cursed Totem
5.4%inclusion3 decks56 decks
4%synergy
Urza's Incubator
5.4%inclusion3 decks56 decks
4%synergy
Swiftfoot Boots
5.4%inclusion3 decks56 decks
-23%synergy
Isochron Scepter
5.4%inclusion3 decks56 decks
-13%synergy
Enchantments
Kindred Discovery
70%inclusion39 decks56 decks
63%synergy
Mystic Remora
70%inclusion39 decks56 decks
42%synergy
Merrow Commerce
70%inclusion39 decks56 decks
69%synergy
Deeproot Waters
64%inclusion36 decks56 decks
63%synergy
Reflections of Littjara
38%inclusion21 decks56 decks
34%synergy
Back to Basics
34%inclusion19 decks56 decks
26%synergy
Spreading Seas
27%inclusion15 decks56 decks
26%synergy
Propaganda
25%inclusion14 decks56 decks
-5%synergy
Imprisoned in the Moon
20%inclusion11 decks56 decks
8%synergy
Wizard Class
18%inclusion10 decks56 decks
1%synergy
Reconnaissance Mission
16%inclusion9 decks56 decks
9%synergy
Teferi's Ageless Insight
14%inclusion8 decks56 decks
-3%synergy
Intruder Alarm
14%inclusion8 decks56 decks
11%synergy
Coastal Piracy
11%inclusion6 decks56 decks
6%synergy
Amphibian Downpour
10%inclusion4 decks40 decks
4%synergy
Leyline of Anticipation
8.9%inclusion5 decks56 decks
-1%synergy
Military Intelligence
7.1%inclusion4 decks56 decks
6%synergy
Thought Lash
7.1%inclusion4 decks56 decks
6%synergy
Dress Down
7.1%inclusion4 decks56 decks
5%synergy
Witness Protection
5.4%inclusion3 decks56 decks
0%synergy
Eaten by Piranhas
5.4%inclusion3 decks56 decks
2%synergy
Planeswalkers
Narset, Parter of Veils
21%inclusion12 decks56 decks
10%synergy
Utility Lands
Mystic Sanctuary
77%inclusion43 decks56 decks
26%synergy
Nykthos, Shrine to Nyx
75%inclusion42 decks56 decks
59%synergy
Otawara, Soaring City
75%inclusion42 decks56 decks
50%synergy
Minamo, School at Water's Edge
61%inclusion34 decks56 decks
49%synergy
Reliquary Tower
54%inclusion30 decks56 decks
-3%synergy
Three Tree City
48%inclusion16 decks33 decks
45%synergy
Mutavault
48%inclusion27 decks56 decks
47%synergy
Castle Vantress
46%inclusion26 decks56 decks
27%synergy
Urza's Saga
30%inclusion17 decks56 decks
14%synergy
War Room
21%inclusion12 decks56 decks
5%synergy
Academy Ruins
18%inclusion10 decks56 decks
0%synergy
Wasteland
14%inclusion8 decks56 decks
13%synergy
Rivendell
14%inclusion8 decks56 decks
3%synergy
Strip Mine
11%inclusion6 decks56 decks
8%synergy
Rogue's Passage
11%inclusion6 decks56 decks
-4%synergy
Hall of Storm Giants
8.9%inclusion5 decks56 decks
6%synergy
Riptide Laboratory
8.9%inclusion5 decks56 decks
-1%synergy
Tolaria West
8.9%inclusion5 decks56 decks
3%synergy
Halimar Depths
7.1%inclusion4 decks56 decks
-3%synergy
Scavenger Grounds
7.1%inclusion4 decks56 decks
0%synergy
Lonely Sandbar
7.1%inclusion4 decks56 decks
-7%synergy
Cephalid Coliseum
7.1%inclusion4 decks56 decks
-2%synergy
Command Beacon
5.4%inclusion3 decks56 decks
1%synergy
Mana Artifacts
Sol Ring
91%inclusion51 decks56 decks
6%synergy
Arcane Signet
70%inclusion39 decks56 decks
5%synergy
Jeweled Lotus
45%inclusion25 decks56 decks
41%synergy
Mana Crypt
39%inclusion22 decks56 decks
36%synergy
Thought Vessel
38%inclusion21 decks56 decks
-14%synergy
Throne of Eldraine
23%inclusion13 decks56 decks
14%synergy
Patchwork Banner
18%inclusion6 decks33 decks
15%synergy
Fellwar Stone
18%inclusion10 decks56 decks
-2%synergy
Mox Diamond
18%inclusion10 decks56 decks
12%synergy
Lotus Petal
14%inclusion8 decks56 decks
2%synergy
Mox Amber
14%inclusion8 decks56 decks
7%synergy
Mind Stone
14%inclusion8 decks56 decks
-22%synergy
Heraldic Banner
11%inclusion6 decks56 decks
5%synergy
Midnight Clock
11%inclusion6 decks56 decks
-10%synergy
Sky Diamond
8.9%inclusion5 decks56 decks
-15%synergy
Mox Opal
8.9%inclusion5 decks56 decks
-1%synergy
Gauntlet of Power
7.1%inclusion4 decks56 decks
3%synergy
Sceptre of Eternal Glory
7.1%inclusion4 decks56 decks
3%synergy
Extraplanar Lens
7.1%inclusion4 decks56 decks
-1%synergy
Caged Sun
5.4%inclusion3 decks56 decks
-6%synergy
Grim Monolith
5.4%inclusion3 decks56 decks
0%synergy
Nyx Lotus
5.4%inclusion3 decks56 decks
1%synergy
Lands
Island
88%inclusion49 decks56 decks
-6%synergy
Cavern of Souls
80%inclusion45 decks56 decks
76%synergy
Misty Rainforest
41%inclusion23 decks56 decks
33%synergy
Scalding Tarn
41%inclusion23 decks56 decks
33%synergy
Sea Gate Restoration
36%inclusion20 decks56 decks
21%synergy
Path of Ancestry
30%inclusion17 decks56 decks
26%synergy
Glasspool Mimic
29%inclusion16 decks56 decks
22%synergy
Flooded Strand
29%inclusion16 decks56 decks
20%synergy
Gemstone Caverns
27%inclusion15 decks56 decks
21%synergy
Polluted Delta
27%inclusion15 decks56 decks
19%synergy
Prismatic Vista
21%inclusion12 decks56 decks
17%synergy
Sink into Stupor
19%inclusion8 decks42 decks
-2%synergy
Fabled Passage
14%inclusion8 decks56 decks
11%synergy
Snow-Covered Island
13%inclusion7 decks56 decks
4%synergy
Myriad Landscape
5.4%inclusion3 decks56 decks
-21%synergy
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