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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Waterbender Ascension
25%inclusion1 decks4 decks
21%synergy
Bender's Waterskin
10%inclusion1 decks10 decks
3%synergy
High Synergy Cards
Seafloor Oracle
100%inclusion14 decks14 decks
99%synergy
Kopala, Warden of Waves
93%inclusion13 decks14 decks
91%synergy
Vodalian Hexcatcher
93%inclusion13 decks14 decks
91%synergy
Deeproot Pilgrimage
93%inclusion13 decks14 decks
91%synergy
Merrow Reejerey
93%inclusion13 decks14 decks
91%synergy
Master of the Pearl Trident
93%inclusion13 decks14 decks
91%synergy
Three Tree City
93%inclusion13 decks14 decks
89%synergy
Kindred Discovery
93%inclusion13 decks14 decks
86%synergy
Emperor Mihail II
86%inclusion12 decks14 decks
85%synergy
Lord of Atlantis
86%inclusion12 decks14 decks
84%synergy
Top Cards
Reflections of Littjara
86%inclusion12 decks14 decks
82%synergy
Stonybrook Banneret
86%inclusion12 decks14 decks
82%synergy
Merfolk Sovereign
86%inclusion12 decks14 decks
84%synergy
Deeproot Waters
79%inclusion11 decks14 decks
77%synergy
Merrow Commerce
79%inclusion11 decks14 decks
78%synergy
Mist Dancer
79%inclusion11 decks14 decks
78%synergy
Counterspell
79%inclusion11 decks14 decks
12%synergy
Sapphire Medallion
79%inclusion11 decks14 decks
21%synergy
Tishana's Tidebinder
71%inclusion10 decks14 decks
67%synergy
Lullmage Mentor
71%inclusion10 decks14 decks
70%synergy
Game Changers
Rhystic Study
14%inclusion2 decks14 decks
-19%synergy
Thassa's Oracle
14%inclusion2 decks14 decks
1%synergy
Cyclonic Rift
14%inclusion2 decks14 decks
-20%synergy
Fierce Guardianship
7.1%inclusion1 decks14 decks
-16%synergy
Mystical Tutor
7.1%inclusion1 decks14 decks
-17%synergy
Creatures
Harbinger of the Tides
71%inclusion10 decks14 decks
70%synergy
Thada Adel, Acquisitor
71%inclusion10 decks14 decks
70%synergy
Thieving Skydiver
71%inclusion10 decks14 decks
67%synergy
Merfolk Trickster
71%inclusion10 decks14 decks
70%synergy
Merrow Harbinger
71%inclusion10 decks14 decks
70%synergy
Mindspring Merfolk
58%inclusion7 decks12 decks
58%synergy
Triton Shorestalker
57%inclusion8 decks14 decks
55%synergy
Mist-Cloaked Herald
57%inclusion8 decks14 decks
55%synergy
Silvergill Adept
57%inclusion8 decks14 decks
56%synergy
Coralhelm Commander
57%inclusion8 decks14 decks
56%synergy
Deepchannel Mentor
57%inclusion8 decks14 decks
56%synergy
Summon: Leviathan
55%inclusion6 decks11 decks
53%synergy
Tide Shaper
50%inclusion7 decks14 decks
49%synergy
Kiora, the Rising Tide
46%inclusion6 decks13 decks
43%synergy
Master of Waves
43%inclusion6 decks14 decks
39%synergy
Wanderwine Prophets
43%inclusion6 decks14 decks
42%synergy
Seahunter
43%inclusion6 decks14 decks
42%synergy
Tempest Caller
43%inclusion6 decks14 decks
42%synergy
Floodpits Drowner
38%inclusion5 decks13 decks
37%synergy
Cursecatcher
36%inclusion5 decks14 decks
34%synergy
Glasspool Mimic
36%inclusion5 decks14 decks
30%synergy
True-Name Nemesis
36%inclusion5 decks14 decks
35%synergy
Metallic Mimic
36%inclusion5 decks14 decks
35%synergy
Sea Scryer
36%inclusion5 decks14 decks
35%synergy
Enduring Curiosity
31%inclusion4 decks13 decks
25%synergy
Stormtide Leviathan
29%inclusion4 decks14 decks
22%synergy
Roaming Throne
29%inclusion4 decks14 decks
24%synergy
Rishadan Dockhand
29%inclusion4 decks14 decks
28%synergy
Wake Thrasher
29%inclusion4 decks14 decks
28%synergy
Surgespanner
29%inclusion4 decks14 decks
28%synergy
Harbinger of the Seas
21%inclusion3 decks14 decks
12%synergy
Phantasmal Image
21%inclusion3 decks14 decks
16%synergy
Eluge, the Shoreless Sea
21%inclusion3 decks14 decks
13%synergy
Cosi's Trickster
21%inclusion3 decks14 decks
21%synergy
Streambed Aquitects
21%inclusion3 decks14 decks
21%synergy
Empress Galina
21%inclusion3 decks14 decks
21%synergy
Titan of Littjara
21%inclusion3 decks14 decks
20%synergy
River Sneak
14%inclusion2 decks14 decks
14%synergy
Defiler of Dreams
14%inclusion2 decks14 decks
5%synergy
Merfolk Spy
14%inclusion2 decks14 decks
14%synergy
Talrand, Sky Summoner
14%inclusion2 decks14 decks
0%synergy
Library Larcenist
14%inclusion2 decks14 decks
13%synergy
Umara Wizard
14%inclusion2 decks14 decks
14%synergy
Slinn Voda, the Rising Deep
14%inclusion2 decks14 decks
13%synergy
Alandra, Sky Dreamer
14%inclusion2 decks14 decks
7%synergy
Tidal Warrior
14%inclusion2 decks14 decks
14%synergy
Enclave Cryptologist
14%inclusion2 decks14 decks
14%synergy
Mistcaller
14%inclusion2 decks14 decks
13%synergy
Waterfront Bouncer
14%inclusion2 decks14 decks
14%synergy
High Fae Trickster
7.7%inclusion1 decks13 decks
2%synergy
Instants
High Tide
64%inclusion9 decks14 decks
20%synergy
Flare of Denial
57%inclusion8 decks14 decks
50%synergy
Pongify
50%inclusion7 decks14 decks
10%synergy
An Offer You Can't Refuse
50%inclusion7 decks14 decks
14%synergy
Mana Drain
50%inclusion7 decks14 decks
23%synergy
Swan Song
50%inclusion7 decks14 decks
24%synergy
Reality Shift
50%inclusion7 decks14 decks
22%synergy
Arcane Denial
43%inclusion6 decks14 decks
7%synergy
Resculpt
43%inclusion6 decks14 decks
24%synergy
Sink into Stupor
43%inclusion6 decks14 decks
21%synergy
Aetherize
36%inclusion5 decks14 decks
7%synergy
Rapid Hybridization
36%inclusion5 decks14 decks
1%synergy
Negate
36%inclusion5 decks14 decks
-2%synergy
Archmage's Charm
36%inclusion5 decks14 decks
19%synergy
March of Swirling Mist
36%inclusion5 decks14 decks
28%synergy
Three Steps Ahead
29%inclusion4 decks14 decks
19%synergy
Cryptic Command
29%inclusion4 decks14 decks
17%synergy
Flow of Knowledge
21%inclusion3 decks14 decks
5%synergy
Force of Negation
21%inclusion3 decks14 decks
6%synergy
Thassa's Rebuff
21%inclusion3 decks14 decks
20%synergy
Snap
14%inclusion2 decks14 decks
-4%synergy
Mystic Confluence
14%inclusion2 decks14 decks
5%synergy
Polymorphist's Jest
14%inclusion2 decks14 decks
13%synergy
Narset's Reversal
14%inclusion2 decks14 decks
2%synergy
Abjure
14%inclusion2 decks14 decks
10%synergy
Fact or Fiction
14%inclusion2 decks14 decks
4%synergy
Filter Out
14%inclusion2 decks14 decks
10%synergy
Divert Disaster
10%inclusion1 decks10 decks
8%synergy
Chain of Vapor
7.1%inclusion1 decks14 decks
2%synergy
Brainstorm
7.1%inclusion1 decks14 decks
-34%synergy
Mystic Reflection
7.1%inclusion1 decks14 decks
5%synergy
Slip Out the Back
7.1%inclusion1 decks14 decks
-1%synergy
Jwari Disruption
7.1%inclusion1 decks14 decks
2%synergy
Dispel
7.1%inclusion1 decks14 decks
-2%synergy
Opt
7.1%inclusion1 decks14 decks
-18%synergy
Delay
7.1%inclusion1 decks14 decks
3%synergy
Submerge
7.1%inclusion1 decks14 decks
6%synergy
Engulf the Shore
7.1%inclusion1 decks14 decks
-1%synergy
Commandeer
7.1%inclusion1 decks14 decks
2%synergy
Long River's Pull
7.1%inclusion1 decks14 decks
3%synergy
Mental Misstep
7.1%inclusion1 decks14 decks
0%synergy
Thirst for Discovery
7.1%inclusion1 decks14 decks
1%synergy
Meeting of Minds
7.1%inclusion1 decks14 decks
4%synergy
Silundi Vision
7.1%inclusion1 decks14 decks
2%synergy
Evacuation
7.1%inclusion1 decks14 decks
-1%synergy
Sorceries
Distant Melody
50%inclusion7 decks14 decks
45%synergy
Aquitect's Will
50%inclusion7 decks14 decks
45%synergy
Raise the Palisade
50%inclusion7 decks14 decks
47%synergy
Spectral Deluge
36%inclusion5 decks14 decks
25%synergy
Sea Gate Restoration
29%inclusion4 decks14 decks
14%synergy
Ravenform
21%inclusion3 decks14 decks
12%synergy
Curse of the Swine
21%inclusion3 decks14 decks
10%synergy
Lórien Revealed
21%inclusion3 decks14 decks
12%synergy
Rite of Replication
21%inclusion3 decks14 decks
15%synergy
Chart a Course
14%inclusion2 decks14 decks
10%synergy
Inundate
14%inclusion2 decks14 decks
12%synergy
Ponder
14%inclusion2 decks14 decks
-15%synergy
Crashing Tide
14%inclusion2 decks14 decks
14%synergy
Windfall
7.1%inclusion1 decks14 decks
-16%synergy
Fabricate
7.1%inclusion1 decks14 decks
-15%synergy
Introduction to Annihilation
7.1%inclusion1 decks14 decks
7%synergy
Maddening Cacophony
7.1%inclusion1 decks14 decks
0%synergy
Sakashima's Will
7.1%inclusion1 decks14 decks
6%synergy
Expropriate
7.1%inclusion1 decks14 decks
3%synergy
Preordain
7.1%inclusion1 decks14 decks
-17%synergy
Flow of Ideas
7.1%inclusion1 decks14 decks
2%synergy
Utility Artifacts
Bident of Thassa
71%inclusion10 decks14 decks
60%synergy
Vanquisher's Banner
50%inclusion7 decks14 decks
49%synergy
Herald's Horn
50%inclusion7 decks14 decks
48%synergy
Door of Destinies
43%inclusion6 decks14 decks
42%synergy
Kefnet's Monument
43%inclusion6 decks14 decks
36%synergy
Lightning Greaves
29%inclusion4 decks14 decks
2%synergy
Sword of the Animist
29%inclusion4 decks14 decks
23%synergy
Banner of Kinship
23%inclusion3 decks13 decks
20%synergy
Swiftfoot Boots
21%inclusion3 decks14 decks
-7%synergy
Wayfarer's Bauble
21%inclusion3 decks14 decks
3%synergy
Quicksilver Fountain
14%inclusion2 decks14 decks
13%synergy
Commander's Plate
14%inclusion2 decks14 decks
10%synergy
Coat of Arms
14%inclusion2 decks14 decks
13%synergy
The Water Crystal
9.1%inclusion1 decks11 decks
-1%synergy
Buster Sword
9.1%inclusion1 decks11 decks
9%synergy
Genji Glove
9.1%inclusion1 decks11 decks
8%synergy
Sunstone
7.1%inclusion1 decks14 decks
7%synergy
Bitterthorn, Nissa's Animus
7.1%inclusion1 decks14 decks
6%synergy
Stoneforge Masterwork
7.1%inclusion1 decks14 decks
7%synergy
Akroma's Memorial
7.1%inclusion1 decks14 decks
5%synergy
Urza's Incubator
7.1%inclusion1 decks14 decks
6%synergy
Azor's Gateway
7.1%inclusion1 decks14 decks
7%synergy
Elixir of Immortality
7.1%inclusion1 decks14 decks
4%synergy
The Indomitable
7.1%inclusion1 decks14 decks
5%synergy
Horn of the Mark
7.1%inclusion1 decks14 decks
7%synergy
Strionic Resonator
7.1%inclusion1 decks14 decks
5%synergy
Enchantments
Reconnaissance Mission
29%inclusion4 decks14 decks
22%synergy
Spreading Seas
29%inclusion4 decks14 decks
27%synergy
Wizard Class
29%inclusion4 decks14 decks
12%synergy
Leyline of Anticipation
29%inclusion4 decks14 decks
19%synergy
Propaganda
29%inclusion4 decks14 decks
-1%synergy
Amphibian Downpour
21%inclusion3 decks14 decks
16%synergy
Imprisoned in the Moon
21%inclusion3 decks14 decks
9%synergy
Mystic Remora
21%inclusion3 decks14 decks
-6%synergy
Teferi's Ageless Insight
14%inclusion2 decks14 decks
-3%synergy
Witness Protection
14%inclusion2 decks14 decks
9%synergy
Opposition
14%inclusion2 decks14 decks
13%synergy
Aquatic Incursion
14%inclusion2 decks14 decks
14%synergy
Intruder Alarm
14%inclusion2 decks14 decks
11%synergy
Coastal Piracy
14%inclusion2 decks14 decks
10%synergy
Unable to Scream
7.7%inclusion1 decks13 decks
4%synergy
Court of Vantress
7.1%inclusion1 decks14 decks
6%synergy
Sea's Claim
7.1%inclusion1 decks14 decks
7%synergy
Combat Research
7.1%inclusion1 decks14 decks
5%synergy
Mirrormade
7.1%inclusion1 decks14 decks
2%synergy
Future Sight
7.1%inclusion1 decks14 decks
5%synergy
Aqueous Form
7.1%inclusion1 decks14 decks
2%synergy
Military Intelligence
7.1%inclusion1 decks14 decks
6%synergy
Steal Enchantment
7.1%inclusion1 decks14 decks
6%synergy
Utility Lands
Nykthos, Shrine to Nyx
79%inclusion11 decks14 decks
62%synergy
Reliquary Tower
79%inclusion11 decks14 decks
22%synergy
Mystic Sanctuary
71%inclusion10 decks14 decks
21%synergy
Otawara, Soaring City
50%inclusion7 decks14 decks
25%synergy
Castle Vantress
36%inclusion5 decks14 decks
17%synergy
War Room
36%inclusion5 decks14 decks
20%synergy
Rivendell
29%inclusion4 decks14 decks
17%synergy
Halimar Depths
29%inclusion4 decks14 decks
18%synergy
Rogue's Passage
29%inclusion4 decks14 decks
14%synergy
Minamo, School at Water's Edge
29%inclusion4 decks14 decks
16%synergy
Scavenger Grounds
21%inclusion3 decks14 decks
14%synergy
Wasteland
14%inclusion2 decks14 decks
13%synergy
Mutavault
14%inclusion2 decks14 decks
13%synergy
Sunken Palace
14%inclusion2 decks14 decks
10%synergy
Tolaria West
7.1%inclusion1 decks14 decks
1%synergy
Svyelunite Temple
7.1%inclusion1 decks14 decks
6%synergy
Throne of the High City
7.1%inclusion1 decks14 decks
7%synergy
Academy Ruins
7.1%inclusion1 decks14 decks
-11%synergy
Cryptic Caves
7.1%inclusion1 decks14 decks
7%synergy
Strip Mine
7.1%inclusion1 decks14 decks
4%synergy
The Surgical Bay
7.1%inclusion1 decks14 decks
5%synergy
Riptide Laboratory
7.1%inclusion1 decks14 decks
-3%synergy
Access Tunnel
7.1%inclusion1 decks14 decks
6%synergy
Buried Ruin
7.1%inclusion1 decks14 decks
-5%synergy
Lonely Sandbar
7.1%inclusion1 decks14 decks
-7%synergy
Cephalid Coliseum
7.1%inclusion1 decks14 decks
-2%synergy
Mana Artifacts
Sol Ring
86%inclusion12 decks14 decks
0%synergy
Patchwork Banner
71%inclusion10 decks14 decks
68%synergy
Arcane Signet
57%inclusion8 decks14 decks
-8%synergy
Thought Vessel
50%inclusion7 decks14 decks
-2%synergy
Heraldic Banner
43%inclusion6 decks14 decks
37%synergy
Throne of Eldraine
21%inclusion3 decks14 decks
12%synergy
Caged Sun
21%inclusion3 decks14 decks
10%synergy
Fellwar Stone
14%inclusion2 decks14 decks
-6%synergy
Sky Diamond
14%inclusion2 decks14 decks
-9%synergy
Aetheric Amplifier
8.3%inclusion1 decks12 decks
8%synergy
Lotus Petal
7.1%inclusion1 decks14 decks
-5%synergy
Decanter of Endless Water
7.1%inclusion1 decks14 decks
-7%synergy
Liquimetal Torque
7.1%inclusion1 decks14 decks
0%synergy
Mind Stone
7.1%inclusion1 decks14 decks
-29%synergy
Midnight Clock
7.1%inclusion1 decks14 decks
-14%synergy
Sceptre of Eternal Glory
7.1%inclusion1 decks14 decks
3%synergy
Nyx Lotus
7.1%inclusion1 decks14 decks
3%synergy
Jeweled Amulet
7.1%inclusion1 decks14 decks
4%synergy
Gauntlet of Power
7.1%inclusion1 decks14 decks
3%synergy
Moonsnare Prototype
7.1%inclusion1 decks14 decks
5%synergy
Springleaf Drum
7.1%inclusion1 decks14 decks
4%synergy
Extraplanar Lens
7.1%inclusion1 decks14 decks
-1%synergy
Lands
Island
93%inclusion13 decks14 decks
-1%synergy
Path of Ancestry
57%inclusion8 decks14 decks
53%synergy
Cavern of Souls
50%inclusion7 decks14 decks
45%synergy
Sink into Stupor
43%inclusion6 decks14 decks
21%synergy
Myriad Landscape
36%inclusion5 decks14 decks
9%synergy
Glasspool Mimic
36%inclusion5 decks14 decks
30%synergy
Sea Gate Restoration
29%inclusion4 decks14 decks
14%synergy
Flooded Strand
21%inclusion3 decks14 decks
13%synergy
Scalding Tarn
21%inclusion3 decks14 decks
14%synergy
Urza's Cave
14%inclusion2 decks14 decks
10%synergy
Evolving Wilds
14%inclusion2 decks14 decks
10%synergy
Fabled Passage
14%inclusion2 decks14 decks
11%synergy
Umara Wizard
14%inclusion2 decks14 decks
14%synergy
Misty Rainforest
14%inclusion2 decks14 decks
6%synergy
Command Tower
7.1%inclusion1 decks14 decks
3%synergy
Hydroelectric Specimen
7.1%inclusion1 decks14 decks
-6%synergy
Talon Gates of Madara
7.1%inclusion1 decks14 decks
4%synergy
Demolition Field
7.1%inclusion1 decks14 decks
2%synergy
Jwari Disruption
7.1%inclusion1 decks14 decks
2%synergy
Polluted Delta
7.1%inclusion1 decks14 decks
-1%synergy
Heap Gate
7.1%inclusion1 decks14 decks
7%synergy
Snow-Covered Island
7.1%inclusion1 decks14 decks
-1%synergy
Plaza of Harmony
7.1%inclusion1 decks14 decks
7%synergy
Terramorphic Expanse
7.1%inclusion1 decks14 decks
4%synergy
Gond Gate
7.1%inclusion1 decks14 decks
7%synergy
Silundi Vision
7.1%inclusion1 decks14 decks
2%synergy
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