Svyelun of Sea and Sky (Commander) - Upgraded

Svyelun of Sea and Sky
Rank #1,129
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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
25%inclusion2 decks8 decks
25%synergy
Attuma, Atlantean Warlord
25%inclusion2 decks8 decks
23%synergy
Agna Qel'a
11%inclusion2 decks18 decks
4%synergy
Waterbender Ascension
5.6%inclusion1 decks18 decks
2%synergy
High Synergy Cards
Master of the Pearl Trident
95%inclusion70 decks74 decks
93%synergy
Seafloor Oracle
91%inclusion67 decks74 decks
89%synergy
Merrow Reejerey
91%inclusion67 decks74 decks
89%synergy
Merfolk Sovereign
89%inclusion66 decks74 decks
88%synergy
Stonybrook Banneret
89%inclusion66 decks74 decks
86%synergy
Emperor Mihail II
85%inclusion63 decks74 decks
84%synergy
Vodalian Hexcatcher
85%inclusion63 decks74 decks
84%synergy
Kopala, Warden of Waves
84%inclusion62 decks74 decks
82%synergy
Lord of Atlantis
81%inclusion60 decks74 decks
80%synergy
Thieving Skydiver
76%inclusion56 decks74 decks
71%synergy
Top Cards
Counterspell
74%inclusion55 decks74 decks
8%synergy
Bident of Thassa
72%inclusion53 decks74 decks
60%synergy
Sapphire Medallion
72%inclusion53 decks74 decks
14%synergy
Deeproot Pilgrimage
72%inclusion53 decks74 decks
70%synergy
Merrow Harbinger
69%inclusion51 decks74 decks
68%synergy
Deeproot Waters
68%inclusion50 decks74 decks
66%synergy
Lullmage Mentor
65%inclusion48 decks74 decks
63%synergy
Merrow Commerce
64%inclusion47 decks74 decks
62%synergy
Tide Shaper
62%inclusion46 decks74 decks
61%synergy
Merfolk Trickster
62%inclusion46 decks74 decks
61%synergy
Game Changers
Cyclonic Rift
31%inclusion23 decks74 decks
-4%synergy
Thassa's Oracle
30%inclusion22 decks74 decks
17%synergy
Rhystic Study
26%inclusion19 decks74 decks
-8%synergy
Fierce Guardianship
15%inclusion11 decks74 decks
-8%synergy
Force of Will
14%inclusion10 decks74 decks
-4%synergy
Mystical Tutor
8.1%inclusion6 decks74 decks
-16%synergy
Narset, Parter of Veils
5.4%inclusion4 decks74 decks
-6%synergy
Creatures
Harbinger of the Tides
59%inclusion44 decks74 decks
58%synergy
Mist Dancer
59%inclusion44 decks74 decks
59%synergy
Tishana's Tidebinder
58%inclusion43 decks74 decks
53%synergy
Deepchannel Mentor
57%inclusion42 decks74 decks
55%synergy
Silvergill Adept
55%inclusion41 decks74 decks
55%synergy
Coralhelm Commander
54%inclusion40 decks74 decks
53%synergy
Thada Adel, Acquisitor
51%inclusion38 decks74 decks
50%synergy
Harbinger of the Seas
51%inclusion37 decks73 decks
42%synergy
Seahunter
46%inclusion34 decks74 decks
45%synergy
Triton Shorestalker
45%inclusion33 decks74 decks
42%synergy
Wanderwine Prophets
43%inclusion32 decks74 decks
43%synergy
Master of Waves
43%inclusion32 decks74 decks
40%synergy
True-Name Nemesis
43%inclusion32 decks74 decks
42%synergy
Mist-Cloaked Herald
41%inclusion30 decks74 decks
38%synergy
Tempest Caller
36%inclusion27 decks74 decks
35%synergy
Streambed Aquitects
36%inclusion27 decks74 decks
36%synergy
Wake Thrasher
34%inclusion25 decks74 decks
33%synergy
Rishadan Dockhand
32%inclusion24 decks74 decks
32%synergy
Cosi's Trickster
31%inclusion23 decks74 decks
30%synergy
Cursecatcher
31%inclusion23 decks74 decks
29%synergy
Thassa, God of the Sea
30%inclusion22 decks74 decks
26%synergy
Sea Scryer
30%inclusion22 decks74 decks
29%synergy
Summon: Leviathan
29%inclusion15 decks52 decks
27%synergy
Floodpits Drowner
28%inclusion20 decks72 decks
27%synergy
Kiora, the Rising Tide
28%inclusion20 decks72 decks
25%synergy
River Sneak
27%inclusion20 decks74 decks
26%synergy
Mistcaller
27%inclusion20 decks74 decks
26%synergy
Mindspring Merfolk
27%inclusion19 decks71 decks
26%synergy
Surgespanner
23%inclusion17 decks74 decks
22%synergy
Merfolk Looter
23%inclusion17 decks74 decks
21%synergy
Stormtide Leviathan
22%inclusion16 decks74 decks
15%synergy
Alandra, Sky Dreamer
20%inclusion15 decks74 decks
13%synergy
Talrand, Sky Summoner
20%inclusion15 decks74 decks
6%synergy
Empress Galina
20%inclusion15 decks74 decks
19%synergy
Tidal Warrior
19%inclusion14 decks74 decks
18%synergy
Reef Shaman
19%inclusion14 decks74 decks
19%synergy
Sigil Tracer
19%inclusion14 decks74 decks
18%synergy
Glasspool Mimic
18%inclusion13 decks74 decks
11%synergy
Metallic Mimic
16%inclusion12 decks74 decks
15%synergy
Benthic Biomancer
16%inclusion12 decks74 decks
15%synergy
Enduring Curiosity
15%inclusion11 decks73 decks
9%synergy
Forensic Researcher
15%inclusion11 decks74 decks
14%synergy
Enclave Cryptologist
15%inclusion11 decks74 decks
14%synergy
Fallowsage
14%inclusion10 decks74 decks
13%synergy
Gray Harbor Merfolk
14%inclusion10 decks74 decks
13%synergy
Roaming Throne
12%inclusion9 decks74 decks
8%synergy
Tideshaper Mystic
12%inclusion9 decks74 decks
12%synergy
Defiler of Dreams
12%inclusion9 decks74 decks
3%synergy
Tidebinder Mage
12%inclusion9 decks74 decks
12%synergy
Merfolk Windrobber
12%inclusion9 decks74 decks
11%synergy
Instants
High Tide
51%inclusion38 decks74 decks
7%synergy
Negate
49%inclusion36 decks74 decks
11%synergy
Pongify
47%inclusion35 decks74 decks
7%synergy
Rapid Hybridization
43%inclusion32 decks74 decks
9%synergy
Aetherize
34%inclusion25 decks74 decks
5%synergy
An Offer You Can't Refuse
34%inclusion25 decks74 decks
-3%synergy
Reality Shift
32%inclusion24 decks74 decks
5%synergy
Resculpt
31%inclusion23 decks74 decks
12%synergy
Arcane Denial
31%inclusion23 decks74 decks
-5%synergy
Sink into Stupor
30%inclusion22 decks73 decks
9%synergy
Flare of Denial
26%inclusion19 decks73 decks
19%synergy
Brainstorm
26%inclusion19 decks74 decks
-16%synergy
Swan Song
26%inclusion19 decks74 decks
0%synergy
Thassa's Rebuff
24%inclusion18 decks74 decks
23%synergy
Filter Out
22%inclusion16 decks74 decks
17%synergy
Flow of Knowledge
20%inclusion15 decks74 decks
4%synergy
Archmage's Charm
19%inclusion14 decks74 decks
2%synergy
Cryptic Command
16%inclusion12 decks74 decks
5%synergy
Opt
15%inclusion11 decks74 decks
-10%synergy
March of Swirling Mist
15%inclusion11 decks74 decks
7%synergy
Frantic Search
14%inclusion10 decks74 decks
-16%synergy
Engulf the Shore
14%inclusion10 decks74 decks
5%synergy
Spell Pierce
14%inclusion10 decks74 decks
5%synergy
Strix Serenade
12%inclusion9 decks73 decks
3%synergy
Mana Drain
12%inclusion9 decks74 decks
-15%synergy
Disallow
11%inclusion8 decks74 decks
4%synergy
Saw It Coming
11%inclusion8 decks74 decks
8%synergy
Wash Away
9.5%inclusion7 decks74 decks
5%synergy
Thassa's Intervention
9.5%inclusion7 decks74 decks
8%synergy
Narset's Reversal
9.5%inclusion7 decks74 decks
-3%synergy
Into the Flood Maw
8.2%inclusion6 decks73 decks
2%synergy
Three Steps Ahead
8.2%inclusion6 decks73 decks
-2%synergy
Jwari Disruption
8.1%inclusion6 decks74 decks
3%synergy
Force of Negation
8.1%inclusion6 decks74 decks
-7%synergy
Aetherspouts
8.1%inclusion6 decks74 decks
1%synergy
Foil
8.1%inclusion6 decks74 decks
2%synergy
Misdirection
6.8%inclusion5 decks74 decks
2%synergy
Dispel
6.8%inclusion5 decks74 decks
-3%synergy
Slip Out the Back
6.8%inclusion5 decks74 decks
-1%synergy
Snap
6.8%inclusion5 decks74 decks
-11%synergy
Mystic Confluence
6.8%inclusion5 decks74 decks
-3%synergy
Muddle the Mixture
6.8%inclusion5 decks74 decks
-9%synergy
Mystical Dispute
5.4%inclusion4 decks74 decks
5%synergy
Disdainful Stroke
5.4%inclusion4 decks74 decks
0%synergy
Wizard's Retort
5.4%inclusion4 decks74 decks
1%synergy
Mystic Reflection
5.4%inclusion4 decks74 decks
3%synergy
Flusterstorm
5.4%inclusion4 decks74 decks
-4%synergy
Sorceries
Aquitect's Will
49%inclusion36 decks74 decks
43%synergy
Distant Melody
42%inclusion31 decks74 decks
37%synergy
Raise the Palisade
31%inclusion23 decks74 decks
28%synergy
Ponder
30%inclusion22 decks74 decks
0%synergy
Spectral Deluge
26%inclusion19 decks74 decks
15%synergy
Rite of Replication
18%inclusion13 decks74 decks
11%synergy
Preordain
16%inclusion12 decks74 decks
-8%synergy
Sea Gate Restoration
15%inclusion11 decks74 decks
0%synergy
Ravenform
15%inclusion11 decks74 decks
5%synergy
Curse of the Swine
9.5%inclusion7 decks74 decks
-2%synergy
River's Rebuke
9.5%inclusion7 decks74 decks
6%synergy
Step Through
9.5%inclusion7 decks74 decks
4%synergy
Windfall
9.5%inclusion7 decks74 decks
-13%synergy
Chart a Course
8.1%inclusion6 decks74 decks
4%synergy
Crashing Tide
8.1%inclusion6 decks74 decks
8%synergy
Flow of Ideas
8.1%inclusion6 decks74 decks
3%synergy
Inundate
6.8%inclusion5 decks74 decks
5%synergy
Wash Out
6.8%inclusion5 decks74 decks
2%synergy
Lórien Revealed
6.8%inclusion5 decks74 decks
-2%synergy
Treasure Cruise
5.4%inclusion4 decks74 decks
-6%synergy
Consuming Tide
5.4%inclusion4 decks74 decks
2%synergy
Retraced Image
5.4%inclusion4 decks74 decks
3%synergy
Quasiduplicate
5.4%inclusion4 decks74 decks
3%synergy
Utility Artifacts
Herald's Horn
32%inclusion24 decks74 decks
31%synergy
Vanquisher's Banner
28%inclusion21 decks74 decks
27%synergy
Lightning Greaves
24%inclusion18 decks74 decks
-2%synergy
Kefnet's Monument
24%inclusion18 decks74 decks
18%synergy
Quicksilver Fountain
24%inclusion18 decks74 decks
23%synergy
Aether Vial
18%inclusion13 decks74 decks
17%synergy
Banner of Kinship
17%inclusion12 decks72 decks
14%synergy
Wayfarer's Bauble
15%inclusion11 decks74 decks
-3%synergy
Coat of Arms
15%inclusion11 decks74 decks
13%synergy
Door of Destinies
12%inclusion9 decks74 decks
11%synergy
Swiftfoot Boots
11%inclusion8 decks74 decks
-17%synergy
The Indomitable
8.1%inclusion6 decks74 decks
6%synergy
Urza's Incubator
8.1%inclusion6 decks74 decks
7%synergy
Icon of Ancestry
6.8%inclusion5 decks74 decks
6%synergy
The Water Crystal
5.9%inclusion3 decks51 decks
-4%synergy
Helm of the Host
5.4%inclusion4 decks74 decks
2%synergy
Sword of the Animist
5.4%inclusion4 decks74 decks
0%synergy
Enchantments
Kindred Discovery
59%inclusion44 decks74 decks
53%synergy
Reflections of Littjara
47%inclusion35 decks74 decks
44%synergy
Spreading Seas
42%inclusion31 decks74 decks
41%synergy
Mystic Remora
30%inclusion22 decks74 decks
2%synergy
Reconnaissance Mission
27%inclusion20 decks74 decks
20%synergy
Coastal Piracy
23%inclusion17 decks74 decks
19%synergy
Imprisoned in the Moon
19%inclusion14 decks74 decks
7%synergy
Curiosity
18%inclusion13 decks74 decks
15%synergy
Military Intelligence
14%inclusion10 decks74 decks
12%synergy
Wizard Class
12%inclusion9 decks74 decks
-5%synergy
Aquatic Incursion
12%inclusion9 decks74 decks
12%synergy
Intruder Alarm
11%inclusion8 decks74 decks
8%synergy
Sea's Claim
11%inclusion8 decks74 decks
10%synergy
Back to Basics
9.5%inclusion7 decks74 decks
2%synergy
Leyline of Anticipation
9.5%inclusion7 decks74 decks
0%synergy
Propaganda
9.5%inclusion7 decks74 decks
-20%synergy
Combat Research
6.8%inclusion5 decks74 decks
5%synergy
Ominous Seas
6.8%inclusion5 decks74 decks
-4%synergy
Amphibian Downpour
5.5%inclusion4 decks73 decks
0%synergy
Eaten by Piranhas
5.4%inclusion4 decks74 decks
2%synergy
Teferi's Ageless Insight
5.4%inclusion4 decks74 decks
-12%synergy
Utility Lands
Mystic Sanctuary
62%inclusion46 decks74 decks
11%synergy
Reliquary Tower
57%inclusion42 decks74 decks
0%synergy
Nykthos, Shrine to Nyx
31%inclusion23 decks74 decks
15%synergy
Castle Vantress
31%inclusion23 decks74 decks
12%synergy
Otawara, Soaring City
28%inclusion21 decks74 decks
3%synergy
Three Tree City
25%inclusion18 decks73 decks
21%synergy
Rogue's Passage
24%inclusion18 decks74 decks
9%synergy
Mutavault
24%inclusion18 decks74 decks
23%synergy
Lonely Sandbar
20%inclusion15 decks74 decks
6%synergy
Scavenger Grounds
19%inclusion14 decks74 decks
12%synergy
Minamo, School at Water's Edge
18%inclusion13 decks74 decks
5%synergy
Halimar Depths
16%inclusion12 decks74 decks
6%synergy
Riptide Laboratory
14%inclusion10 decks74 decks
3%synergy
Temple of the False God
12%inclusion9 decks74 decks
2%synergy
Rivendell
12%inclusion9 decks74 decks
0%synergy
War Room
11%inclusion8 decks74 decks
-5%synergy
Cephalid Coliseum
8.1%inclusion6 decks74 decks
-1%synergy
Ghost Quarter
8.1%inclusion6 decks74 decks
5%synergy
Mistrise Village
7.7%inclusion5 decks65 decks
-2%synergy
Archway of Innovation
6.8%inclusion5 decks73 decks
-4%synergy
Hall of Storm Giants
6.8%inclusion5 decks74 decks
4%synergy
Remote Isle
6.8%inclusion5 decks74 decks
2%synergy
Svyelunite Temple
6.8%inclusion5 decks74 decks
6%synergy
Academy Ruins
5.4%inclusion4 decks74 decks
-13%synergy
Terrain Generator
5.4%inclusion4 decks74 decks
-2%synergy
Saprazzan Skerry
5.4%inclusion4 decks74 decks
2%synergy
Access Tunnel
5.4%inclusion4 decks74 decks
4%synergy
Mana Artifacts
Sol Ring
81%inclusion60 decks74 decks
-4%synergy
Arcane Signet
66%inclusion49 decks74 decks
1%synergy
Thought Vessel
39%inclusion29 decks74 decks
-13%synergy
Patchwork Banner
33%inclusion24 decks73 decks
29%synergy
Heraldic Banner
26%inclusion19 decks74 decks
20%synergy
Caged Sun
22%inclusion16 decks74 decks
10%synergy
Mind Stone
20%inclusion15 decks74 decks
-16%synergy
Sky Diamond
19%inclusion14 decks74 decks
-5%synergy
Fellwar Stone
14%inclusion10 decks74 decks
-6%synergy
Nyx Lotus
12%inclusion9 decks74 decks
8%synergy
Midnight Clock
11%inclusion8 decks74 decks
-10%synergy
Decanter of Endless Water
9.5%inclusion7 decks74 decks
-5%synergy
Springleaf Drum
8.1%inclusion6 decks74 decks
5%synergy
Gilded Lotus
6.8%inclusion5 decks74 decks
-5%synergy
Commander's Sphere
6.8%inclusion5 decks74 decks
-3%synergy
Gauntlet of Power
6.8%inclusion5 decks74 decks
2%synergy
Lands
Island
97%inclusion72 decks74 decks
4%synergy
Path of Ancestry
34%inclusion25 decks74 decks
30%synergy
Sink into Stupor
30%inclusion22 decks73 decks
9%synergy
Cavern of Souls
23%inclusion17 decks74 decks
18%synergy
Myriad Landscape
19%inclusion14 decks74 decks
-8%synergy
Glasspool Mimic
18%inclusion13 decks74 decks
11%synergy
Sea Gate Restoration
15%inclusion11 decks74 decks
0%synergy
Hydroelectric Specimen
11%inclusion8 decks73 decks
-3%synergy
Jwari Disruption
8.1%inclusion6 decks74 decks
3%synergy
Umara Wizard
6.8%inclusion5 decks74 decks
6%synergy
Flooded Strand
6.8%inclusion5 decks74 decks
-2%synergy
Demolition Field
6.8%inclusion5 decks74 decks
1%synergy
Polluted Delta
6.8%inclusion5 decks74 decks
-1%synergy
Terramorphic Expanse
5.4%inclusion4 decks74 decks
2%synergy
Scalding Tarn
5.4%inclusion4 decks74 decks
-2%synergy
Misty Rainforest
5.4%inclusion4 decks74 decks
-3%synergy
Snow-Covered Island
5.4%inclusion4 decks74 decks
-3%synergy
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