Svyelun of Sea and Sky (Commander) - Upgraded

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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Utility Artifacts
Enchantments
Utility Lands
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Lands
Back to Top
Gravelgill Scoundrel
25%inclusion1 decks4 decks
25%synergy
Silvergill Peddler
20%inclusion1 decks5 decks
20%synergy
Wanderwine Farewell
17%inclusion1 decks6 decks
16%synergy
Harmonized Crescendo
17%inclusion1 decks6 decks
15%synergy
Disruptor of Currents
17%inclusion1 decks6 decks
16%synergy
High Synergy Cards
Master of the Pearl Trident
93%inclusion69 decks74 decks
92%synergy
Seafloor Oracle
91%inclusion67 decks74 decks
89%synergy
Merrow Reejerey
91%inclusion67 decks74 decks
89%synergy
Merfolk Sovereign
91%inclusion67 decks74 decks
89%synergy
Emperor Mihail II
86%inclusion64 decks74 decks
86%synergy
Stonybrook Banneret
88%inclusion65 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
72%synergy
Top Cards
Counterspell
76%inclusion56 decks74 decks
9%synergy
Deeproot Pilgrimage
72%inclusion53 decks74 decks
70%synergy
Sapphire Medallion
72%inclusion53 decks74 decks
14%synergy
Bident of Thassa
70%inclusion52 decks74 decks
58%synergy
Deeproot Waters
70%inclusion52 decks74 decks
69%synergy
Tide Shaper
65%inclusion48 decks74 decks
64%synergy
Merrow Harbinger
64%inclusion47 decks74 decks
62%synergy
Lullmage Mentor
64%inclusion47 decks74 decks
62%synergy
Merrow Commerce
64%inclusion47 decks74 decks
62%synergy
Kindred Discovery
61%inclusion45 decks74 decks
54%synergy
Game Changers
Cyclonic Rift
30%inclusion22 decks74 decks
-5%synergy
Thassa's Oracle
28%inclusion21 decks74 decks
15%synergy
Rhystic Study
26%inclusion19 decks74 decks
-7%synergy
Fierce Guardianship
18%inclusion13 decks74 decks
-6%synergy
Force of Will
14%inclusion10 decks74 decks
-4%synergy
Mystical Tutor
6.8%inclusion5 decks74 decks
-17%synergy
Creatures
Merfolk Trickster
61%inclusion45 decks74 decks
59%synergy
Harbinger of the Tides
59%inclusion44 decks74 decks
58%synergy
Mist Dancer
59%inclusion44 decks74 decks
58%synergy
Tishana's Tidebinder
58%inclusion43 decks74 decks
54%synergy
Deepchannel Mentor
57%inclusion42 decks74 decks
55%synergy
Silvergill Adept
54%inclusion40 decks74 decks
53%synergy
Coralhelm Commander
51%inclusion38 decks74 decks
51%synergy
Thada Adel, Acquisitor
50%inclusion37 decks74 decks
48%synergy
Harbinger of the Seas
49%inclusion36 decks73 decks
40%synergy
Seahunter
47%inclusion35 decks74 decks
47%synergy
Triton Shorestalker
46%inclusion34 decks74 decks
43%synergy
Wanderwine Prophets
45%inclusion33 decks74 decks
44%synergy
Master of Waves
42%inclusion31 decks74 decks
38%synergy
True-Name Nemesis
42%inclusion31 decks74 decks
41%synergy
Mist-Cloaked Herald
41%inclusion30 decks74 decks
38%synergy
Streambed Aquitects
39%inclusion29 decks74 decks
39%synergy
Tempest Caller
35%inclusion26 decks74 decks
34%synergy
Rishadan Dockhand
34%inclusion25 decks74 decks
33%synergy
Wake Thrasher
34%inclusion25 decks74 decks
33%synergy
Summon: Leviathan
30%inclusion16 decks53 decks
28%synergy
River Sneak
30%inclusion22 decks74 decks
29%synergy
Mindspring Merfolk
30%inclusion21 decks71 decks
29%synergy
Floodpits Drowner
29%inclusion21 decks72 decks
28%synergy
Cursecatcher
28%inclusion21 decks74 decks
27%synergy
Sea Scryer
28%inclusion21 decks74 decks
27%synergy
Cosi's Trickster
27%inclusion20 decks74 decks
26%synergy
Thassa, God of the Sea
27%inclusion20 decks74 decks
23%synergy
Mistcaller
27%inclusion20 decks74 decks
26%synergy
Kiora, the Rising Tide
25%inclusion18 decks72 decks
22%synergy
Merfolk Looter
24%inclusion18 decks74 decks
22%synergy
Surgespanner
24%inclusion18 decks74 decks
24%synergy
Alandra, Sky Dreamer
22%inclusion16 decks74 decks
15%synergy
Tidal Warrior
22%inclusion16 decks74 decks
21%synergy
Empress Galina
20%inclusion15 decks74 decks
19%synergy
Stormtide Leviathan
19%inclusion14 decks74 decks
12%synergy
Reef Shaman
19%inclusion14 decks74 decks
19%synergy
Talrand, Sky Summoner
19%inclusion14 decks74 decks
5%synergy
Metallic Mimic
18%inclusion13 decks74 decks
16%synergy
Glasspool Mimic
18%inclusion13 decks74 decks
11%synergy
Sigil Tracer
16%inclusion12 decks74 decks
15%synergy
Namor the Sub-Mariner
15%inclusion2 decks13 decks
15%synergy
Attuma, Atlantean Warlord
15%inclusion2 decks13 decks
14%synergy
Enduring Curiosity
15%inclusion11 decks73 decks
9%synergy
Benthic Biomancer
15%inclusion11 decks74 decks
14%synergy
Forensic Researcher
15%inclusion11 decks74 decks
14%synergy
Roaming Throne
14%inclusion10 decks74 decks
9%synergy
Fallowsage
14%inclusion10 decks74 decks
13%synergy
Merfolk Windrobber
14%inclusion10 decks74 decks
13%synergy
Gray Harbor Merfolk
14%inclusion10 decks74 decks
13%synergy
Enclave Cryptologist
14%inclusion10 decks74 decks
13%synergy
Instants
Pongify
50%inclusion37 decks74 decks
10%synergy
High Tide
49%inclusion36 decks74 decks
4%synergy
Negate
47%inclusion35 decks74 decks
9%synergy
Rapid Hybridization
43%inclusion32 decks74 decks
9%synergy
Aetherize
34%inclusion25 decks74 decks
5%synergy
An Offer You Can't Refuse
32%inclusion24 decks74 decks
-5%synergy
Brainstorm
30%inclusion22 decks74 decks
-12%synergy
Reality Shift
30%inclusion22 decks74 decks
2%synergy
Resculpt
30%inclusion22 decks74 decks
11%synergy
Arcane Denial
30%inclusion22 decks74 decks
-6%synergy
Sink into Stupor
29%inclusion21 decks73 decks
7%synergy
Flare of Denial
25%inclusion18 decks73 decks
18%synergy
Swan Song
24%inclusion18 decks74 decks
-2%synergy
Filter Out
24%inclusion18 decks74 decks
20%synergy
Thassa's Rebuff
24%inclusion18 decks74 decks
23%synergy
Flow of Knowledge
20%inclusion15 decks74 decks
4%synergy
Archmage's Charm
19%inclusion14 decks74 decks
2%synergy
Opt
15%inclusion11 decks74 decks
-10%synergy
Cryptic Command
15%inclusion11 decks74 decks
3%synergy
Spell Pierce
15%inclusion11 decks74 decks
6%synergy
March of Swirling Mist
15%inclusion11 decks74 decks
7%synergy
Mana Drain
14%inclusion10 decks74 decks
-13%synergy
Disallow
14%inclusion10 decks74 decks
7%synergy
Strix Serenade
12%inclusion9 decks73 decks
3%synergy
Frantic Search
12%inclusion9 decks74 decks
-18%synergy
Wash Away
12%inclusion9 decks74 decks
7%synergy
Saw It Coming
12%inclusion9 decks74 decks
9%synergy
Engulf the Shore
12%inclusion9 decks74 decks
4%synergy
Narset's Reversal
9.5%inclusion7 decks74 decks
-3%synergy
Three Steps Ahead
8.2%inclusion6 decks73 decks
-2%synergy
Into the Flood Maw
8.2%inclusion6 decks73 decks
2%synergy
Muddle the Mixture
8.1%inclusion6 decks74 decks
-8%synergy
Aetherspouts
8.1%inclusion6 decks74 decks
1%synergy
Foil
8.1%inclusion6 decks74 decks
2%synergy
Slip Out the Back
8.1%inclusion6 decks74 decks
0%synergy
Jwari Disruption
8.1%inclusion6 decks74 decks
3%synergy
Force of Negation
8.1%inclusion6 decks74 decks
-7%synergy
Snap
8.1%inclusion6 decks74 decks
-10%synergy
Thassa's Intervention
8.1%inclusion6 decks74 decks
7%synergy
Misdirection
6.8%inclusion5 decks74 decks
2%synergy
Mystic Confluence
6.8%inclusion5 decks74 decks
-3%synergy
Dispel
6.8%inclusion5 decks74 decks
-3%synergy
Mystic Reflection
5.4%inclusion4 decks74 decks
4%synergy
Mystical Dispute
5.4%inclusion4 decks74 decks
5%synergy
Flusterstorm
5.4%inclusion4 decks74 decks
-4%synergy
Sorceries
Aquitect's Will
50%inclusion37 decks74 decks
45%synergy
Distant Melody
46%inclusion34 decks74 decks
41%synergy
Raise the Palisade
32%inclusion24 decks74 decks
29%synergy
Ponder
31%inclusion23 decks74 decks
1%synergy
Spectral Deluge
27%inclusion20 decks74 decks
16%synergy
Preordain
20%inclusion15 decks74 decks
-4%synergy
Rite of Replication
18%inclusion13 decks74 decks
11%synergy
Sea Gate Restoration
14%inclusion10 decks74 decks
-1%synergy
Ravenform
14%inclusion10 decks74 decks
4%synergy
Step Through
11%inclusion8 decks74 decks
5%synergy
Curse of the Swine
9.5%inclusion7 decks74 decks
-2%synergy
Crashing Tide
9.5%inclusion7 decks74 decks
9%synergy
Inundate
8.1%inclusion6 decks74 decks
6%synergy
Windfall
8.1%inclusion6 decks74 decks
-15%synergy
Chart a Course
8.1%inclusion6 decks74 decks
4%synergy
Flow of Ideas
8.1%inclusion6 decks74 decks
3%synergy
Wash Out
6.8%inclusion5 decks74 decks
2%synergy
Lórien Revealed
6.8%inclusion5 decks74 decks
-2%synergy
River's Rebuke
6.8%inclusion5 decks74 decks
3%synergy
Consuming Tide
5.4%inclusion4 decks74 decks
2%synergy
Quasiduplicate
5.4%inclusion4 decks74 decks
3%synergy
Serum Visions
5.4%inclusion4 decks74 decks
-5%synergy
Treasure Cruise
5.4%inclusion4 decks74 decks
-6%synergy
Retraced Image
5.4%inclusion4 decks74 decks
3%synergy
Utility Artifacts
Herald's Horn
30%inclusion22 decks74 decks
28%synergy
Vanquisher's Banner
27%inclusion20 decks74 decks
26%synergy
Quicksilver Fountain
24%inclusion18 decks74 decks
23%synergy
Kefnet's Monument
24%inclusion18 decks74 decks
18%synergy
Lightning Greaves
23%inclusion17 decks74 decks
-3%synergy
Aether Vial
18%inclusion13 decks74 decks
17%synergy
Banner of Kinship
17%inclusion12 decks72 decks
14%synergy
Chronicle of Victory
17%inclusion1 decks6 decks
16%synergy
Wayfarer's Bauble
16%inclusion12 decks74 decks
-2%synergy
Coat of Arms
14%inclusion10 decks74 decks
12%synergy
Door of Destinies
12%inclusion9 decks74 decks
11%synergy
Swiftfoot Boots
11%inclusion8 decks74 decks
-17%synergy
Icon of Ancestry
8.1%inclusion6 decks74 decks
8%synergy
The Indomitable
8.1%inclusion6 decks74 decks
6%synergy
Urza's Incubator
8.1%inclusion6 decks74 decks
7%synergy
The Water Crystal
5.8%inclusion3 decks52 decks
-5%synergy
Winter Moon
5.5%inclusion4 decks73 decks
1%synergy
Helm of the Host
5.4%inclusion4 decks74 decks
2%synergy
Sword of the Animist
5.4%inclusion4 decks74 decks
0%synergy
Enchantments
Reflections of Littjara
50%inclusion37 decks74 decks
47%synergy
Spreading Seas
42%inclusion31 decks74 decks
41%synergy
Mystic Remora
31%inclusion23 decks74 decks
4%synergy
Reconnaissance Mission
26%inclusion19 decks74 decks
19%synergy
Coastal Piracy
23%inclusion17 decks74 decks
19%synergy
Curiosity
18%inclusion13 decks74 decks
15%synergy
Imprisoned in the Moon
18%inclusion13 decks74 decks
6%synergy
Wizard Class
15%inclusion11 decks74 decks
-2%synergy
Military Intelligence
12%inclusion9 decks74 decks
11%synergy
Aquatic Incursion
12%inclusion9 decks74 decks
12%synergy
Propaganda
12%inclusion9 decks74 decks
-18%synergy
Intruder Alarm
11%inclusion8 decks74 decks
8%synergy
Sea's Claim
11%inclusion8 decks74 decks
10%synergy
Leyline of Anticipation
9.5%inclusion7 decks74 decks
0%synergy
Back to Basics
8.1%inclusion6 decks74 decks
1%synergy
Teferi's Ageless Insight
6.8%inclusion5 decks74 decks
-10%synergy
Ominous Seas
6.8%inclusion5 decks74 decks
-4%synergy
Combat Research
6.8%inclusion5 decks74 decks
5%synergy
Amphibian Downpour
5.5%inclusion4 decks73 decks
0%synergy
Eaten by Piranhas
5.4%inclusion4 decks74 decks
2%synergy
Utility Lands
Mystic Sanctuary
62%inclusion46 decks74 decks
12%synergy
Reliquary Tower
58%inclusion43 decks74 decks
2%synergy
Castle Vantress
32%inclusion24 decks74 decks
14%synergy
Nykthos, Shrine to Nyx
30%inclusion22 decks74 decks
13%synergy
Three Tree City
25%inclusion18 decks73 decks
21%synergy
Otawara, Soaring City
24%inclusion18 decks74 decks
-1%synergy
Rogue's Passage
23%inclusion17 decks74 decks
8%synergy
Mutavault
23%inclusion17 decks74 decks
22%synergy
Lonely Sandbar
22%inclusion16 decks74 decks
7%synergy
Halimar Depths
19%inclusion14 decks74 decks
9%synergy
Scavenger Grounds
18%inclusion13 decks74 decks
10%synergy
Minamo, School at Water's Edge
16%inclusion12 decks74 decks
4%synergy
Riptide Laboratory
14%inclusion10 decks74 decks
3%synergy
Rivendell
12%inclusion9 decks74 decks
1%synergy
Temple of the False God
12%inclusion9 decks74 decks
2%synergy
War Room
11%inclusion8 decks74 decks
-5%synergy
Ghost Quarter
9.5%inclusion7 decks74 decks
7%synergy
Agna Qel'a
9.1%inclusion2 decks22 decks
1%synergy
Cephalid Coliseum
8.1%inclusion6 decks74 decks
-1%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
Coral Atoll
6.8%inclusion5 decks74 decks
3%synergy
Academy Ruins
6.8%inclusion5 decks74 decks
-12%synergy
Desert of the Mindful
5.4%inclusion4 decks74 decks
2%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
65%inclusion48 decks74 decks
0%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
Mind Stone
22%inclusion16 decks74 decks
-14%synergy
Caged Sun
20%inclusion15 decks74 decks
9%synergy
Sky Diamond
18%inclusion13 decks74 decks
-6%synergy
Fellwar Stone
14%inclusion10 decks74 decks
-6%synergy
Midnight Clock
11%inclusion8 decks74 decks
-10%synergy
Decanter of Endless Water
9.5%inclusion7 decks74 decks
-5%synergy
Nyx Lotus
9.5%inclusion7 decks74 decks
5%synergy
Commander's Sphere
8.1%inclusion6 decks74 decks
-2%synergy
Springleaf Drum
8.1%inclusion6 decks74 decks
5%synergy
Gauntlet of Power
6.8%inclusion5 decks74 decks
3%synergy
Gilded Lotus
6.8%inclusion5 decks74 decks
-4%synergy
Throne of Eldraine
5.4%inclusion4 decks74 decks
-4%synergy
Lands
Island
97%inclusion72 decks74 decks
4%synergy
Path of Ancestry
36%inclusion27 decks74 decks
33%synergy
Sink into Stupor
29%inclusion21 decks73 decks
7%synergy
Cavern of Souls
23%inclusion17 decks74 decks
18%synergy
Myriad Landscape
19%inclusion14 decks74 decks
-7%synergy
Glasspool Mimic
18%inclusion13 decks74 decks
11%synergy
Sea Gate Restoration
14%inclusion10 decks74 decks
-1%synergy
Hydroelectric Specimen
10%inclusion7 decks73 decks
-4%synergy
Jwari Disruption
8.1%inclusion6 decks74 decks
3%synergy
Umara Wizard
8.1%inclusion6 decks74 decks
8%synergy
Polluted Delta
6.8%inclusion5 decks74 decks
-2%synergy
Flooded Strand
6.8%inclusion5 decks74 decks
-2%synergy
Misty Rainforest
5.4%inclusion4 decks74 decks
-3%synergy
Terramorphic Expanse
5.4%inclusion4 decks74 decks
2%synergy
Snow-Covered Island
5.4%inclusion4 decks74 decks
-3%synergy
Demolition Field
5.4%inclusion4 decks74 decks
0%synergy
Scalding Tarn
5.4%inclusion4 decks74 decks
-2%synergy
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