Svyelun of Sea and Sky (Commander) - Expensive 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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Enchantments
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Lands
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Waterbender Ascension
25%inclusion1 decks4 decks
21%synergy
High Synergy Cards
Seafloor Oracle
100%inclusion15 decks15 decks
99%synergy
Kopala, Warden of Waves
93%inclusion14 decks15 decks
92%synergy
Vodalian Hexcatcher
93%inclusion14 decks15 decks
92%synergy
Deeproot Pilgrimage
93%inclusion14 decks15 decks
92%synergy
Merrow Reejerey
93%inclusion14 decks15 decks
92%synergy
Master of the Pearl Trident
93%inclusion14 decks15 decks
92%synergy
Kindred Discovery
93%inclusion14 decks15 decks
87%synergy
Emperor Mihail II
87%inclusion13 decks15 decks
86%synergy
Lord of Atlantis
87%inclusion13 decks15 decks
85%synergy
Merfolk Sovereign
87%inclusion13 decks15 decks
85%synergy
Top Cards
Reflections of Littjara
87%inclusion13 decks15 decks
83%synergy
Stonybrook Banneret
87%inclusion13 decks15 decks
83%synergy
Deeproot Waters
80%inclusion12 decks15 decks
79%synergy
Sapphire Medallion
80%inclusion12 decks15 decks
23%synergy
Mist Dancer
80%inclusion12 decks15 decks
79%synergy
Merrow Commerce
73%inclusion11 decks15 decks
72%synergy
Counterspell
73%inclusion11 decks15 decks
7%synergy
Harbinger of the Tides
73%inclusion11 decks15 decks
72%synergy
Bident of Thassa
73%inclusion11 decks15 decks
62%synergy
Thieving Skydiver
73%inclusion11 decks15 decks
69%synergy
Game Changers
Rhystic Study
13%inclusion2 decks15 decks
-20%synergy
Thassa's Oracle
13%inclusion2 decks15 decks
0%synergy
Cyclonic Rift
13%inclusion2 decks15 decks
-22%synergy
Fierce Guardianship
6.7%inclusion1 decks15 decks
-16%synergy
Mystical Tutor
6.7%inclusion1 decks15 decks
-17%synergy
Creatures
Merfolk Trickster
73%inclusion11 decks15 decks
72%synergy
Thada Adel, Acquisitor
67%inclusion10 decks15 decks
65%synergy
Merrow Harbinger
67%inclusion10 decks15 decks
66%synergy
Tishana's Tidebinder
67%inclusion10 decks15 decks
62%synergy
Lullmage Mentor
67%inclusion10 decks15 decks
65%synergy
Mist-Cloaked Herald
60%inclusion9 decks15 decks
58%synergy
Silvergill Adept
60%inclusion9 decks15 decks
59%synergy
Triton Shorestalker
60%inclusion9 decks15 decks
58%synergy
Mindspring Merfolk
58%inclusion7 decks12 decks
58%synergy
Coralhelm Commander
53%inclusion8 decks15 decks
53%synergy
Deepchannel Mentor
53%inclusion8 decks15 decks
52%synergy
Tide Shaper
53%inclusion8 decks15 decks
52%synergy
Tempest Caller
47%inclusion7 decks15 decks
46%synergy
Kiora, the Rising Tide
46%inclusion6 decks13 decks
43%synergy
Summon: Leviathan
45%inclusion5 decks11 decks
44%synergy
Master of Waves
40%inclusion6 decks15 decks
36%synergy
Metallic Mimic
40%inclusion6 decks15 decks
39%synergy
Sea Scryer
40%inclusion6 decks15 decks
39%synergy
Cursecatcher
40%inclusion6 decks15 decks
38%synergy
Seahunter
40%inclusion6 decks15 decks
39%synergy
Wanderwine Prophets
40%inclusion6 decks15 decks
39%synergy
Floodpits Drowner
38%inclusion5 decks13 decks
37%synergy
True-Name Nemesis
33%inclusion5 decks15 decks
33%synergy
Glasspool Mimic
33%inclusion5 decks15 decks
27%synergy
Stormtide Leviathan
33%inclusion5 decks15 decks
26%synergy
Roaming Throne
33%inclusion5 decks15 decks
29%synergy
Wake Thrasher
33%inclusion5 decks15 decks
33%synergy
Enduring Curiosity
31%inclusion4 decks13 decks
25%synergy
Rishadan Dockhand
27%inclusion4 decks15 decks
26%synergy
Surgespanner
27%inclusion4 decks15 decks
26%synergy
Streambed Aquitects
27%inclusion4 decks15 decks
26%synergy
Empress Galina
27%inclusion4 decks15 decks
26%synergy
Alandra, Sky Dreamer
20%inclusion3 decks15 decks
13%synergy
Phantasmal Image
20%inclusion3 decks15 decks
14%synergy
River Sneak
20%inclusion3 decks15 decks
19%synergy
Titan of Littjara
20%inclusion3 decks15 decks
18%synergy
Eluge, the Shoreless Sea
20%inclusion3 decks15 decks
12%synergy
Cosi's Trickster
20%inclusion3 decks15 decks
19%synergy
Harbinger of the Seas
20%inclusion3 decks15 decks
11%synergy
Rootwater Diver
13%inclusion2 decks15 decks
13%synergy
Tidal Warrior
13%inclusion2 decks15 decks
13%synergy
Library Larcenist
13%inclusion2 decks15 decks
13%synergy
Slinn Voda, the Rising Deep
13%inclusion2 decks15 decks
12%synergy
Mistcaller
13%inclusion2 decks15 decks
12%synergy
Defiler of Dreams
13%inclusion2 decks15 decks
4%synergy
Enclave Cryptologist
13%inclusion2 decks15 decks
13%synergy
Merfolk Spy
13%inclusion2 decks15 decks
13%synergy
Talrand, Sky Summoner
13%inclusion2 decks15 decks
-1%synergy
Scourge of Fleets
13%inclusion2 decks15 decks
1%synergy
Umara Wizard
13%inclusion2 decks15 decks
13%synergy
Instants
High Tide
60%inclusion9 decks15 decks
16%synergy
Pongify
53%inclusion8 decks15 decks
13%synergy
Flare of Denial
53%inclusion8 decks15 decks
47%synergy
Reality Shift
53%inclusion8 decks15 decks
25%synergy
Mana Drain
47%inclusion7 decks15 decks
20%synergy
Sink into Stupor
47%inclusion7 decks15 decks
25%synergy
An Offer You Can't Refuse
47%inclusion7 decks15 decks
10%synergy
Swan Song
47%inclusion7 decks15 decks
21%synergy
Aetherize
40%inclusion6 decks15 decks
12%synergy
Arcane Denial
40%inclusion6 decks15 decks
4%synergy
Rapid Hybridization
40%inclusion6 decks15 decks
6%synergy
Resculpt
40%inclusion6 decks15 decks
21%synergy
Archmage's Charm
33%inclusion5 decks15 decks
17%synergy
Negate
33%inclusion5 decks15 decks
-5%synergy
March of Swirling Mist
33%inclusion5 decks15 decks
25%synergy
Three Steps Ahead
27%inclusion4 decks15 decks
17%synergy
Cryptic Command
27%inclusion4 decks15 decks
15%synergy
Flow of Knowledge
20%inclusion3 decks15 decks
4%synergy
Thassa's Rebuff
20%inclusion3 decks15 decks
19%synergy
Force of Negation
20%inclusion3 decks15 decks
5%synergy
Filter Out
13%inclusion2 decks15 decks
9%synergy
Snap
13%inclusion2 decks15 decks
-5%synergy
Narset's Reversal
13%inclusion2 decks15 decks
1%synergy
Polymorphist's Jest
13%inclusion2 decks15 decks
12%synergy
Abjure
13%inclusion2 decks15 decks
9%synergy
Fact or Fiction
13%inclusion2 decks15 decks
3%synergy
Mystic Confluence
13%inclusion2 decks15 decks
4%synergy
Evacuation
13%inclusion2 decks15 decks
6%synergy
Divert Disaster
10%inclusion1 decks10 decks
8%synergy
Brainstorm
6.7%inclusion1 decks15 decks
-35%synergy
Mystic Reflection
6.7%inclusion1 decks15 decks
5%synergy
Delay
6.7%inclusion1 decks15 decks
3%synergy
Submerge
6.7%inclusion1 decks15 decks
6%synergy
Engulf the Shore
6.7%inclusion1 decks15 decks
-2%synergy
Silundi Vision
6.7%inclusion1 decks15 decks
1%synergy
Mental Misstep
6.7%inclusion1 decks15 decks
0%synergy
Meeting of Minds
6.7%inclusion1 decks15 decks
3%synergy
Dispel
6.7%inclusion1 decks15 decks
-3%synergy
Slip Out the Back
6.7%inclusion1 decks15 decks
-1%synergy
Commandeer
6.7%inclusion1 decks15 decks
2%synergy
Misdirection
6.7%inclusion1 decks15 decks
2%synergy
Muddle the Mixture
6.7%inclusion1 decks15 decks
-9%synergy
Whir of Invention
6.7%inclusion1 decks15 decks
-6%synergy
Thirst for Discovery
6.7%inclusion1 decks15 decks
0%synergy
Opt
6.7%inclusion1 decks15 decks
-18%synergy
Jwari Disruption
6.7%inclusion1 decks15 decks
2%synergy
Long River's Pull
6.7%inclusion1 decks15 decks
2%synergy
Sorceries
Raise the Palisade
53%inclusion8 decks15 decks
50%synergy
Aquitect's Will
53%inclusion8 decks15 decks
48%synergy
Distant Melody
47%inclusion7 decks15 decks
42%synergy
Sea Gate Restoration
33%inclusion5 decks15 decks
19%synergy
Spectral Deluge
33%inclusion5 decks15 decks
22%synergy
Lórien Revealed
20%inclusion3 decks15 decks
11%synergy
Ravenform
20%inclusion3 decks15 decks
10%synergy
Rite of Replication
20%inclusion3 decks15 decks
13%synergy
Curse of the Swine
20%inclusion3 decks15 decks
8%synergy
Inundate
13%inclusion2 decks15 decks
12%synergy
Chart a Course
13%inclusion2 decks15 decks
9%synergy
Crashing Tide
13%inclusion2 decks15 decks
13%synergy
Ponder
13%inclusion2 decks15 decks
-16%synergy
Whelming Wave
6.7%inclusion1 decks15 decks
2%synergy
Windfall
6.7%inclusion1 decks15 decks
-16%synergy
Preordain
6.7%inclusion1 decks15 decks
-18%synergy
Flow of Ideas
6.7%inclusion1 decks15 decks
2%synergy
Maddening Cacophony
6.7%inclusion1 decks15 decks
-1%synergy
Sakashima's Will
6.7%inclusion1 decks15 decks
6%synergy
Fabricate
6.7%inclusion1 decks15 decks
-15%synergy
Introduction to Annihilation
6.7%inclusion1 decks15 decks
6%synergy
Expropriate
6.7%inclusion1 decks15 decks
3%synergy
Utility Artifacts
Kefnet's Monument
47%inclusion7 decks15 decks
40%synergy
Vanquisher's Banner
47%inclusion7 decks15 decks
45%synergy
Door of Destinies
47%inclusion7 decks15 decks
46%synergy
Herald's Horn
47%inclusion7 decks15 decks
45%synergy
Lightning Greaves
33%inclusion5 decks15 decks
7%synergy
Swiftfoot Boots
27%inclusion4 decks15 decks
-2%synergy
Sword of the Animist
27%inclusion4 decks15 decks
21%synergy
Banner of Kinship
23%inclusion3 decks13 decks
21%synergy
Wayfarer's Bauble
20%inclusion3 decks15 decks
2%synergy
Coat of Arms
20%inclusion3 decks15 decks
18%synergy
Commander's Plate
20%inclusion3 decks15 decks
16%synergy
Quicksilver Fountain
13%inclusion2 decks15 decks
12%synergy
Buster Sword
9.1%inclusion1 decks11 decks
9%synergy
Genji Glove
9.1%inclusion1 decks11 decks
8%synergy
The Water Crystal
9.1%inclusion1 decks11 decks
-1%synergy
Heirloom Blade
6.7%inclusion1 decks15 decks
7%synergy
Akroma's Memorial
6.7%inclusion1 decks15 decks
5%synergy
Bitterthorn, Nissa's Animus
6.7%inclusion1 decks15 decks
6%synergy
Bloodforged Battle-Axe
6.7%inclusion1 decks15 decks
6%synergy
Stoneforge Masterwork
6.7%inclusion1 decks15 decks
6%synergy
Horn of the Mark
6.7%inclusion1 decks15 decks
7%synergy
Urza's Incubator
6.7%inclusion1 decks15 decks
5%synergy
Strionic Resonator
6.7%inclusion1 decks15 decks
4%synergy
Quietus Spike
6.7%inclusion1 decks15 decks
6%synergy
Elixir of Immortality
6.7%inclusion1 decks15 decks
4%synergy
The Indomitable
6.7%inclusion1 decks15 decks
4%synergy
Sunstone
6.7%inclusion1 decks15 decks
7%synergy
Lavaspur Boots
6.7%inclusion1 decks15 decks
5%synergy
Skullclamp
6.7%inclusion1 decks15 decks
1%synergy
Azor's Gateway
6.7%inclusion1 decks15 decks
6%synergy
Obelisk of Urd
6.7%inclusion1 decks15 decks
6%synergy
Enchantments
Spreading Seas
33%inclusion5 decks15 decks
32%synergy
Wizard Class
27%inclusion4 decks15 decks
10%synergy
Leyline of Anticipation
27%inclusion4 decks15 decks
17%synergy
Propaganda
27%inclusion4 decks15 decks
-3%synergy
Reconnaissance Mission
27%inclusion4 decks15 decks
20%synergy
Imprisoned in the Moon
20%inclusion3 decks15 decks
8%synergy
Mystic Remora
20%inclusion3 decks15 decks
-7%synergy
Witness Protection
13%inclusion2 decks15 decks
8%synergy
Opposition
13%inclusion2 decks15 decks
12%synergy
Teferi's Ageless Insight
13%inclusion2 decks15 decks
-4%synergy
Intruder Alarm
13%inclusion2 decks15 decks
10%synergy
Coastal Piracy
13%inclusion2 decks15 decks
9%synergy
Amphibian Downpour
13%inclusion2 decks15 decks
8%synergy
Aquatic Incursion
13%inclusion2 decks15 decks
13%synergy
Unable to Scream
7.7%inclusion1 decks13 decks
4%synergy
Military Intelligence
6.7%inclusion1 decks15 decks
5%synergy
Eaten by Piranhas
6.7%inclusion1 decks15 decks
3%synergy
Aqueous Form
6.7%inclusion1 decks15 decks
2%synergy
Steal Enchantment
6.7%inclusion1 decks15 decks
5%synergy
Mirrormade
6.7%inclusion1 decks15 decks
1%synergy
Future Sight
6.7%inclusion1 decks15 decks
5%synergy
Combat Research
6.7%inclusion1 decks15 decks
4%synergy
Court of Vantress
6.7%inclusion1 decks15 decks
5%synergy
Sea's Claim
6.7%inclusion1 decks15 decks
6%synergy
Utility Lands
Three Tree City
87%inclusion13 decks15 decks
83%synergy
Nykthos, Shrine to Nyx
80%inclusion12 decks15 decks
64%synergy
Reliquary Tower
80%inclusion12 decks15 decks
24%synergy
Mystic Sanctuary
67%inclusion10 decks15 decks
16%synergy
Otawara, Soaring City
53%inclusion8 decks15 decks
28%synergy
Castle Vantress
40%inclusion6 decks15 decks
21%synergy
War Room
33%inclusion5 decks15 decks
17%synergy
Rivendell
27%inclusion4 decks15 decks
15%synergy
Rogue's Passage
27%inclusion4 decks15 decks
12%synergy
Minamo, School at Water's Edge
27%inclusion4 decks15 decks
15%synergy
Halimar Depths
27%inclusion4 decks15 decks
17%synergy
Scavenger Grounds
20%inclusion3 decks15 decks
13%synergy
Mutavault
13%inclusion2 decks15 decks
12%synergy
Sunken Palace
13%inclusion2 decks15 decks
9%synergy
Wasteland
13%inclusion2 decks15 decks
12%synergy
Riptide Laboratory
6.7%inclusion1 decks15 decks
-4%synergy
Throne of the High City
6.7%inclusion1 decks15 decks
7%synergy
Academy Ruins
6.7%inclusion1 decks15 decks
-12%synergy
The Surgical Bay
6.7%inclusion1 decks15 decks
5%synergy
Tolaria West
6.7%inclusion1 decks15 decks
1%synergy
Svyelunite Temple
6.7%inclusion1 decks15 decks
6%synergy
Strip Mine
6.7%inclusion1 decks15 decks
4%synergy
Access Tunnel
6.7%inclusion1 decks15 decks
5%synergy
Buried Ruin
6.7%inclusion1 decks15 decks
-6%synergy
Seat of the Synod
6.7%inclusion1 decks15 decks
-11%synergy
Lonely Sandbar
6.7%inclusion1 decks15 decks
-8%synergy
Cryptic Caves
6.7%inclusion1 decks15 decks
6%synergy
Cephalid Coliseum
6.7%inclusion1 decks15 decks
-2%synergy
Mana Artifacts
Sol Ring
80%inclusion12 decks15 decks
-5%synergy
Patchwork Banner
67%inclusion10 decks15 decks
63%synergy
Arcane Signet
60%inclusion9 decks15 decks
-5%synergy
Thought Vessel
53%inclusion8 decks15 decks
2%synergy
Heraldic Banner
47%inclusion7 decks15 decks
41%synergy
Throne of Eldraine
27%inclusion4 decks15 decks
17%synergy
Caged Sun
20%inclusion3 decks15 decks
8%synergy
Sky Diamond
13%inclusion2 decks15 decks
-10%synergy
Fellwar Stone
13%inclusion2 decks15 decks
-7%synergy
Aetheric Amplifier
8.3%inclusion1 decks12 decks
8%synergy
Gauntlet of Power
6.7%inclusion1 decks15 decks
2%synergy
Lotus Petal
6.7%inclusion1 decks15 decks
-6%synergy
Moonsnare Prototype
6.7%inclusion1 decks15 decks
5%synergy
Decanter of Endless Water
6.7%inclusion1 decks15 decks
-8%synergy
Liquimetal Torque
6.7%inclusion1 decks15 decks
0%synergy
Mind Stone
6.7%inclusion1 decks15 decks
-30%synergy
Sceptre of Eternal Glory
6.7%inclusion1 decks15 decks
2%synergy
Nyx Lotus
6.7%inclusion1 decks15 decks
2%synergy
Extraplanar Lens
6.7%inclusion1 decks15 decks
-1%synergy
Everflowing Chalice
6.7%inclusion1 decks15 decks
-10%synergy
Midnight Clock
6.7%inclusion1 decks15 decks
-14%synergy
Springleaf Drum
6.7%inclusion1 decks15 decks
4%synergy
Lands
Island
93%inclusion14 decks15 decks
0%synergy
Path of Ancestry
53%inclusion8 decks15 decks
49%synergy
Sink into Stupor
47%inclusion7 decks15 decks
25%synergy
Cavern of Souls
47%inclusion7 decks15 decks
42%synergy
Glasspool Mimic
33%inclusion5 decks15 decks
27%synergy
Myriad Landscape
33%inclusion5 decks15 decks
7%synergy
Sea Gate Restoration
33%inclusion5 decks15 decks
19%synergy
Flooded Strand
20%inclusion3 decks15 decks
12%synergy
Scalding Tarn
20%inclusion3 decks15 decks
12%synergy
Fabled Passage
13%inclusion2 decks15 decks
11%synergy
Misty Rainforest
13%inclusion2 decks15 decks
5%synergy
Urza's Cave
13%inclusion2 decks15 decks
9%synergy
Evolving Wilds
13%inclusion2 decks15 decks
9%synergy
Umara Wizard
13%inclusion2 decks15 decks
13%synergy
Gond Gate
6.7%inclusion1 decks15 decks
7%synergy
Plaza of Harmony
6.7%inclusion1 decks15 decks
7%synergy
Talon Gates of Madara
6.7%inclusion1 decks15 decks
3%synergy
Silundi Vision
6.7%inclusion1 decks15 decks
1%synergy
Polluted Delta
6.7%inclusion1 decks15 decks
-2%synergy
Command Tower
6.7%inclusion1 decks15 decks
2%synergy
Terramorphic Expanse
6.7%inclusion1 decks15 decks
3%synergy
Heap Gate
6.7%inclusion1 decks15 decks
7%synergy
Hydroelectric Specimen
6.7%inclusion1 decks15 decks
-7%synergy
Demolition Field
6.7%inclusion1 decks15 decks
1%synergy
Snow-Covered Island
6.7%inclusion1 decks15 decks
-1%synergy
Jwari Disruption
6.7%inclusion1 decks15 decks
2%synergy
Gemstone Caverns
6.7%inclusion1 decks15 decks
1%synergy
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