Svyelun of Sea and Sky (Commander) - Core

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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Harmonized Crescendo
32%inclusion6 decks19 decks
29%synergy
Silvergill Mentor
32%inclusion6 decks19 decks
31%synergy
Disruptor of Currents
21%inclusion4 decks19 decks
20%synergy
Champions of the Shoal
17%inclusion3 decks18 decks
16%synergy
Attuma, Atlantean Warlord
13%inclusion3 decks23 decks
12%synergy
High Synergy Cards
Merfolk Sovereign
88%inclusion129 decks146 decks
87%synergy
Master of the Pearl Trident
86%inclusion126 decks146 decks
85%synergy
Merrow Reejerey
86%inclusion125 decks146 decks
84%synergy
Seafloor Oracle
82%inclusion120 decks146 decks
81%synergy
Kopala, Warden of Waves
81%inclusion118 decks146 decks
79%synergy
Deeproot Waters
79%inclusion116 decks146 decks
78%synergy
Emperor Mihail II
77%inclusion113 decks146 decks
76%synergy
Stonybrook Banneret
77%inclusion112 decks146 decks
73%synergy
Vodalian Hexcatcher
73%inclusion106 decks146 decks
71%synergy
Deeproot Pilgrimage
68%inclusion100 decks146 decks
67%synergy
Top Cards
Harbinger of the Tides
67%inclusion98 decks146 decks
66%synergy
Lord of Atlantis
66%inclusion96 decks146 decks
64%synergy
Bident of Thassa
66%inclusion96 decks146 decks
54%synergy
Merfolk Trickster
62%inclusion91 decks146 decks
61%synergy
Counterspell
62%inclusion91 decks146 decks
-4%synergy
Tide Shaper
60%inclusion88 decks146 decks
59%synergy
Thieving Skydiver
58%inclusion85 decks146 decks
54%synergy
Triton Shorestalker
57%inclusion83 decks146 decks
54%synergy
Mist Dancer
56%inclusion82 decks146 decks
55%synergy
Merrow Harbinger
55%inclusion80 decks146 decks
54%synergy
Creatures
Mist-Cloaked Herald
55%inclusion80 decks146 decks
52%synergy
Tempest Caller
50%inclusion73 decks146 decks
49%synergy
Silvergill Adept
49%inclusion71 decks146 decks
48%synergy
River Sneak
47%inclusion69 decks146 decks
47%synergy
Coralhelm Commander
46%inclusion67 decks146 decks
45%synergy
Streambed Aquitects
44%inclusion64 decks146 decks
43%synergy
Deepchannel Mentor
43%inclusion63 decks146 decks
42%synergy
Lullmage Mentor
40%inclusion59 decks146 decks
39%synergy
Wake Thrasher
40%inclusion59 decks146 decks
40%synergy
Rishadan Dockhand
40%inclusion58 decks146 decks
39%synergy
Tidal Warrior
39%inclusion57 decks146 decks
39%synergy
Master of Waves
37%inclusion54 decks146 decks
33%synergy
True-Name Nemesis
34%inclusion50 decks146 decks
33%synergy
Merfolk Looter
34%inclusion50 decks146 decks
32%synergy
Cursecatcher
32%inclusion47 decks146 decks
31%synergy
Stormtide Leviathan
32%inclusion47 decks146 decks
25%synergy
Talrand, Sky Summoner
32%inclusion46 decks146 decks
18%synergy
Sea Scryer
30%inclusion44 decks146 decks
29%synergy
Summon: Leviathan
30%inclusion19 decks64 decks
28%synergy
Tishana's Tidebinder
29%inclusion43 decks146 decks
25%synergy
Cosi's Trickster
29%inclusion43 decks146 decks
29%synergy
Harbinger of the Seas
29%inclusion40 decks139 decks
20%synergy
Slinn Voda, the Rising Deep
28%inclusion41 decks146 decks
27%synergy
Gray Harbor Merfolk
27%inclusion39 decks146 decks
26%synergy
Seahunter
26%inclusion38 decks146 decks
25%synergy
Library Larcenist
25%inclusion37 decks146 decks
25%synergy
Mindspring Merfolk
25%inclusion24 decks96 decks
24%synergy
Thada Adel, Acquisitor
25%inclusion36 decks146 decks
23%synergy
Kiora, the Rising Tide
24%inclusion26 decks108 decks
21%synergy
Thassa, God of the Sea
23%inclusion34 decks146 decks
20%synergy
Tidal Courier
23%inclusion33 decks146 decks
22%synergy
Floodpits Drowner
21%inclusion26 decks122 decks
20%synergy
Merfolk Wayfinder
20%inclusion29 decks146 decks
20%synergy
Merfolk Windrobber
20%inclusion29 decks146 decks
19%synergy
Reef Shaman
19%inclusion28 decks146 decks
19%synergy
Empress Galina
19%inclusion28 decks146 decks
18%synergy
Tideshaper Mystic
19%inclusion28 decks146 decks
19%synergy
Mistcaller
18%inclusion27 decks146 decks
18%synergy
Surgespanner
18%inclusion27 decks146 decks
18%synergy
Brineborn Cutthroat
16%inclusion24 decks146 decks
16%synergy
Enclave Cryptologist
16%inclusion24 decks146 decks
16%synergy
Merfolk Spy
16%inclusion23 decks146 decks
15%synergy
Shipwreck Dowser
15%inclusion22 decks146 decks
12%synergy
Wonder
14%inclusion21 decks146 decks
9%synergy
Seasinger
14%inclusion20 decks146 decks
13%synergy
Tidebinder Mage
14%inclusion20 decks146 decks
13%synergy
Alandra, Sky Dreamer
13%inclusion19 decks146 decks
6%synergy
Metallic Mimic
12%inclusion18 decks146 decks
11%synergy
Forensic Researcher
12%inclusion17 decks146 decks
10%synergy
Gravelgill Scoundrel
11%inclusion2 decks18 decks
11%synergy
Instants
Negate
47%inclusion69 decks146 decks
9%synergy
High Tide
46%inclusion67 decks146 decks
2%synergy
Aetherize
36%inclusion53 decks146 decks
7%synergy
Pongify
36%inclusion52 decks146 decks
-5%synergy
Reality Shift
36%inclusion52 decks146 decks
8%synergy
Rapid Hybridization
34%inclusion50 decks146 decks
0%synergy
Thassa's Rebuff
33%inclusion48 decks146 decks
32%synergy
Resculpt
25%inclusion37 decks146 decks
7%synergy
Brainstorm
25%inclusion37 decks146 decks
-16%synergy
Arcane Denial
22%inclusion32 decks146 decks
-14%synergy
Flow of Knowledge
20%inclusion29 decks146 decks
4%synergy
Flare of Denial
19%inclusion27 decks142 decks
12%synergy
Opt
18%inclusion27 decks146 decks
-7%synergy
Filter Out
17%inclusion25 decks146 decks
13%synergy
An Offer You Can't Refuse
16%inclusion23 decks146 decks
-21%synergy
Engulf the Shore
16%inclusion23 decks146 decks
8%synergy
Spell Pierce
14%inclusion21 decks146 decks
6%synergy
Essence Scatter
14%inclusion20 decks146 decks
10%synergy
Cancel
13%inclusion19 decks146 decks
8%synergy
Mana Leak
12%inclusion17 decks146 decks
5%synergy
Sink into Stupor
12%inclusion16 decks138 decks
-10%synergy
Aetherspouts
10%inclusion15 decks146 decks
3%synergy
Disdainful Stroke
10%inclusion15 decks146 decks
5%synergy
Snap
10%inclusion15 decks146 decks
-8%synergy
Swan Song
10%inclusion14 decks146 decks
-17%synergy
Wash Away
10%inclusion14 decks146 decks
5%synergy
Mystic Confluence
10%inclusion14 decks146 decks
0%synergy
Archmage's Charm
8.9%inclusion13 decks146 decks
-8%synergy
Jwari Disruption
8.9%inclusion13 decks146 decks
4%synergy
Run Away Together
8.2%inclusion12 decks146 decks
4%synergy
Fact or Fiction
7.5%inclusion11 decks146 decks
-2%synergy
Saw It Coming
7.5%inclusion11 decks146 decks
5%synergy
Cryptic Command
7.5%inclusion11 decks146 decks
-4%synergy
Frantic Search
6.8%inclusion10 decks146 decks
-23%synergy
Polymorphist's Jest
6.8%inclusion10 decks146 decks
6%synergy
Refute
6.4%inclusion7 decks110 decks
1%synergy
Rewind
6.2%inclusion9 decks146 decks
-6%synergy
Abjure
6.2%inclusion9 decks146 decks
2%synergy
Dispel
5.5%inclusion8 decks146 decks
-4%synergy
Unsummon
5.5%inclusion8 decks146 decks
1%synergy
March of Swirling Mist
5.5%inclusion8 decks146 decks
-2%synergy
Muddle the Mixture
5.5%inclusion8 decks146 decks
-10%synergy
Foil
5.5%inclusion8 decks146 decks
0%synergy
Mirrorform
5.3%inclusion1 decks19 decks
2%synergy
Sorceries
Aquitect's Will
49%inclusion71 decks146 decks
43%synergy
Distant Melody
44%inclusion64 decks146 decks
39%synergy
Crashing Tide
25%inclusion37 decks146 decks
25%synergy
Ravenform
18%inclusion27 decks146 decks
9%synergy
Raise the Palisade
18%inclusion27 decks146 decks
15%synergy
Curse of the Swine
16%inclusion24 decks146 decks
5%synergy
Ponder
16%inclusion23 decks146 decks
-14%synergy
Spectral Deluge
15%inclusion22 decks146 decks
4%synergy
Preordain
14%inclusion20 decks146 decks
-10%synergy
Chart a Course
13%inclusion19 decks146 decks
9%synergy
River's Rebuke
12%inclusion17 decks146 decks
8%synergy
Rite of Replication
10%inclusion15 decks146 decks
4%synergy
Wash Out
10%inclusion14 decks146 decks
5%synergy
Inundate
8.9%inclusion13 decks146 decks
7%synergy
Flow of Ideas
6.8%inclusion10 decks146 decks
2%synergy
Windfall
6.2%inclusion9 decks146 decks
-16%synergy
Serum Visions
6.2%inclusion9 decks146 decks
-4%synergy
Secrets of the Golden City
5.5%inclusion8 decks146 decks
5%synergy
Utility Artifacts
Sapphire Medallion
45%inclusion66 decks146 decks
-13%synergy
Kefnet's Monument
43%inclusion63 decks146 decks
37%synergy
Vanquisher's Banner
25%inclusion37 decks146 decks
24%synergy
Herald's Horn
23%inclusion33 decks146 decks
21%synergy
Banner of Kinship
20%inclusion22 decks109 decks
18%synergy
Swiftfoot Boots
18%inclusion26 decks146 decks
-10%synergy
Coat of Arms
16%inclusion24 decks146 decks
15%synergy
Door of Destinies
16%inclusion23 decks146 decks
15%synergy
Wayfarer's Bauble
15%inclusion22 decks146 decks
-3%synergy
Quicksilver Fountain
14%inclusion20 decks146 decks
12%synergy
Lightning Greaves
14%inclusion20 decks146 decks
-12%synergy
Icon of Ancestry
13%inclusion19 decks146 decks
12%synergy
Stoneforge Masterwork
11%inclusion16 decks146 decks
11%synergy
Chronicle of Victory
11%inclusion2 decks19 decks
10%synergy
Sword of the Animist
6.2%inclusion9 decks146 decks
1%synergy
Dawn-Blessed Pennant
5.3%inclusion1 decks19 decks
5%synergy
Enchantments
Reflections of Littjara
47%inclusion69 decks146 decks
44%synergy
Merrow Commerce
46%inclusion67 decks146 decks
45%synergy
Kindred Discovery
41%inclusion60 decks146 decks
34%synergy
Aquatic Incursion
33%inclusion48 decks146 decks
33%synergy
Spreading Seas
32%inclusion46 decks146 decks
30%synergy
Reconnaissance Mission
29%inclusion42 decks146 decks
22%synergy
Eaten by Piranhas
19%inclusion28 decks146 decks
16%synergy
Imprisoned in the Moon
18%inclusion26 decks146 decks
6%synergy
Coastal Piracy
18%inclusion26 decks146 decks
13%synergy
Wizard Class
18%inclusion26 decks146 decks
1%synergy
Propaganda
16%inclusion23 decks146 decks
-14%synergy
Curiosity
13%inclusion19 decks146 decks
10%synergy
Aqueous Form
12%inclusion17 decks146 decks
6%synergy
Sea's Claim
12%inclusion17 decks146 decks
11%synergy
Military Intelligence
11%inclusion16 decks146 decks
10%synergy
Witness Protection
11%inclusion16 decks146 decks
5%synergy
Teferi's Ageless Insight
11%inclusion16 decks146 decks
-6%synergy
Mystic Remora
11%inclusion16 decks146 decks
-16%synergy
Leyline of Anticipation
6.2%inclusion9 decks146 decks
-3%synergy
Intruder Alarm
5.5%inclusion8 decks146 decks
2%synergy
Frogify
5.5%inclusion8 decks146 decks
4%synergy
Amphibian Downpour
5.1%inclusion7 decks138 decks
-1%synergy
Utility Lands
Reliquary Tower
47%inclusion69 decks146 decks
-9%synergy
Mystic Sanctuary
34%inclusion50 decks146 decks
-16%synergy
Castle Vantress
22%inclusion32 decks146 decks
3%synergy
Lonely Sandbar
21%inclusion31 decks146 decks
7%synergy
Halimar Depths
21%inclusion30 decks146 decks
11%synergy
Rogue's Passage
16%inclusion24 decks146 decks
1%synergy
Three Tree City
16%inclusion22 decks134 decks
13%synergy
Otawara, Soaring City
12%inclusion17 decks146 decks
-14%synergy
War Room
11%inclusion16 decks146 decks
-5%synergy
Nykthos, Shrine to Nyx
11%inclusion16 decks146 decks
-5%synergy
Coral Atoll
10%inclusion14 decks146 decks
6%synergy
Remote Isle
8.2%inclusion12 decks146 decks
3%synergy
Rivendell
7.5%inclusion11 decks146 decks
-4%synergy
Riptide Laboratory
6.8%inclusion10 decks146 decks
-3%synergy
Temple of the False God
6.8%inclusion10 decks146 decks
-3%synergy
Scavenger Grounds
6.2%inclusion9 decks146 decks
-1%synergy
Mutavault
5.5%inclusion8 decks146 decks
5%synergy
Svyelunite Temple
5.5%inclusion8 decks146 decks
5%synergy
Mana Artifacts
Sol Ring
71%inclusion104 decks146 decks
-14%synergy
Arcane Signet
47%inclusion69 decks146 decks
-18%synergy
Thought Vessel
37%inclusion54 decks146 decks
-15%synergy
Heraldic Banner
35%inclusion51 decks146 decks
29%synergy
Mind Stone
30%inclusion44 decks146 decks
-6%synergy
Sky Diamond
29%inclusion42 decks146 decks
6%synergy
Patchwork Banner
27%inclusion36 decks134 decks
23%synergy
Midnight Clock
14%inclusion20 decks146 decks
-7%synergy
Caged Sun
12%inclusion17 decks146 decks
0%synergy
Nyx Lotus
11%inclusion16 decks146 decks
7%synergy
Decanter of Endless Water
10%inclusion15 decks146 decks
-4%synergy
Commander's Sphere
10%inclusion14 decks146 decks
0%synergy
Fellwar Stone
8.2%inclusion12 decks146 decks
-12%synergy
Gauntlet of Power
6.8%inclusion10 decks146 decks
3%synergy
Firdoch Core
5.6%inclusion1 decks18 decks
5%synergy
Lands
Island
99%inclusion144 decks146 decks
5%synergy
Path of Ancestry
36%inclusion52 decks146 decks
32%synergy
Myriad Landscape
16%inclusion23 decks146 decks
-10%synergy
Sink into Stupor
12%inclusion16 decks138 decks
-10%synergy
Glasspool Mimic
10%inclusion15 decks146 decks
4%synergy
Jwari Disruption
8.9%inclusion13 decks146 decks
4%synergy
Command Tower
6.2%inclusion9 decks146 decks
2%synergy
Umara Wizard
6.2%inclusion9 decks146 decks
6%synergy
Cavern of Souls
6.2%inclusion9 decks146 decks
2%synergy
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