Svyelun of Sea and Sky (Commander) - Expensive 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 Lands
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Lands
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Agna Qel'a
50%inclusion1 decks2 decks
43%synergy
High Synergy Cards
Vodalian Hexcatcher
100%inclusion7 decks7 decks
99%synergy
Emperor Mihail II
86%inclusion6 decks7 decks
85%synergy
Mist Dancer
86%inclusion6 decks7 decks
85%synergy
Tide Shaper
86%inclusion6 decks7 decks
85%synergy
Lord of Atlantis
86%inclusion6 decks7 decks
84%synergy
Seafloor Oracle
86%inclusion6 decks7 decks
84%synergy
Kopala, Warden of Waves
86%inclusion6 decks7 decks
84%synergy
Merrow Reejerey
86%inclusion6 decks7 decks
84%synergy
Master of the Pearl Trident
86%inclusion6 decks7 decks
84%synergy
Raise the Palisade
86%inclusion6 decks7 decks
83%synergy
Top Cards
Mana Drain
86%inclusion6 decks7 decks
59%synergy
Sapphire Medallion
86%inclusion6 decks7 decks
28%synergy
Stonybrook Banneret
86%inclusion6 decks7 decks
82%synergy
Merrow Harbinger
71%inclusion5 decks7 decks
70%synergy
Pongify
71%inclusion5 decks7 decks
31%synergy
Master of Waves
71%inclusion5 decks7 decks
68%synergy
Lullmage Mentor
71%inclusion5 decks7 decks
70%synergy
Thada Adel, Acquisitor
71%inclusion5 decks7 decks
70%synergy
Bident of Thassa
71%inclusion5 decks7 decks
60%synergy
Kindred Discovery
71%inclusion5 decks7 decks
65%synergy
Game Changers
Cyclonic Rift
71%inclusion5 decks7 decks
37%synergy
Rhystic Study
57%inclusion4 decks7 decks
24%synergy
Thassa's Oracle
43%inclusion3 decks7 decks
30%synergy
Force of Will
43%inclusion3 decks7 decks
25%synergy
The One Ring
29%inclusion2 decks7 decks
16%synergy
Fierce Guardianship
29%inclusion2 decks7 decks
5%synergy
Chrome Mox
29%inclusion2 decks7 decks
19%synergy
Ancient Tomb
14%inclusion1 decks7 decks
2%synergy
Mystical Tutor
14%inclusion1 decks7 decks
-10%synergy
Creatures
Thieving Skydiver
71%inclusion5 decks7 decks
67%synergy
Deepchannel Mentor
57%inclusion4 decks7 decks
56%synergy
Silvergill Adept
57%inclusion4 decks7 decks
56%synergy
Wanderwine Prophets
57%inclusion4 decks7 decks
57%synergy
Glasspool Mimic
57%inclusion4 decks7 decks
51%synergy
Merfolk Sovereign
57%inclusion4 decks7 decks
56%synergy
Seahunter
57%inclusion4 decks7 decks
57%synergy
Spark Double
43%inclusion3 decks7 decks
29%synergy
Coralhelm Commander
43%inclusion3 decks7 decks
42%synergy
Tishana's Tidebinder
43%inclusion3 decks7 decks
38%synergy
Cursecatcher
43%inclusion3 decks7 decks
41%synergy
Merfolk Trickster
43%inclusion3 decks7 decks
41%synergy
Phyrexian Metamorph
43%inclusion3 decks7 decks
24%synergy
Mindspring Merfolk
43%inclusion3 decks7 decks
42%synergy
Sigil Tracer
43%inclusion3 decks7 decks
42%synergy
Kiora, the Rising Tide
43%inclusion3 decks7 decks
40%synergy
Summon: Leviathan
40%inclusion2 decks5 decks
38%synergy
Roaming Throne
29%inclusion2 decks7 decks
24%synergy
Floodpits Drowner
29%inclusion2 decks7 decks
27%synergy
Hydroelectric Specimen
29%inclusion2 decks7 decks
15%synergy
Mistcaller
29%inclusion2 decks7 decks
28%synergy
Sakashima of a Thousand Faces
29%inclusion2 decks7 decks
22%synergy
Alandra, Sky Dreamer
29%inclusion2 decks7 decks
22%synergy
Defiler of Dreams
29%inclusion2 decks7 decks
20%synergy
Tidebinder Mage
29%inclusion2 decks7 decks
28%synergy
True-Name Nemesis
29%inclusion2 decks7 decks
28%synergy
Thassa, God of the Sea
29%inclusion2 decks7 decks
25%synergy
Mist-Cloaked Herald
29%inclusion2 decks7 decks
26%synergy
Harbinger of the Tides
29%inclusion2 decks7 decks
27%synergy
Tempest Caller
29%inclusion2 decks7 decks
28%synergy
Benthic Biomancer
29%inclusion2 decks7 decks
28%synergy
Empress Galina
29%inclusion2 decks7 decks
28%synergy
Gray Harbor Merfolk
29%inclusion2 decks7 decks
28%synergy
Forensic Researcher
29%inclusion2 decks7 decks
27%synergy
Tidal Warrior
29%inclusion2 decks7 decks
28%synergy
Sea Scryer
29%inclusion2 decks7 decks
28%synergy
Pirated Copy
14%inclusion1 decks7 decks
14%synergy
Herald of Secret Streams
14%inclusion1 decks7 decks
13%synergy
Cosi's Trickster
14%inclusion1 decks7 decks
14%synergy
Enduring Curiosity
14%inclusion1 decks7 decks
8%synergy
Sakashima the Impostor
14%inclusion1 decks7 decks
11%synergy
Stunt Double
14%inclusion1 decks7 decks
12%synergy
Emry, Lurker of the Loch
14%inclusion1 decks7 decks
3%synergy
Talrand, Sky Summoner
14%inclusion1 decks7 decks
0%synergy
Wake Thrasher
14%inclusion1 decks7 decks
14%synergy
Undercover Operative
14%inclusion1 decks7 decks
13%synergy
Reef Shaman
14%inclusion1 decks7 decks
14%synergy
Mirrorhall Mimic
14%inclusion1 decks7 decks
12%synergy
Archivist
14%inclusion1 decks7 decks
14%synergy
Clever Impersonator
14%inclusion1 decks7 decks
8%synergy
Instants
Resculpt
57%inclusion4 decks7 decks
38%synergy
Counterspell
57%inclusion4 decks7 decks
-10%synergy
Rapid Hybridization
57%inclusion4 decks7 decks
23%synergy
Sink into Stupor
57%inclusion4 decks7 decks
36%synergy
High Tide
57%inclusion4 decks7 decks
13%synergy
Negate
43%inclusion3 decks7 decks
5%synergy
Swan Song
43%inclusion3 decks7 decks
17%synergy
An Offer You Can't Refuse
43%inclusion3 decks7 decks
7%synergy
Arcane Denial
29%inclusion2 decks7 decks
-7%synergy
Dramatic Reversal
29%inclusion2 decks7 decks
9%synergy
Foil
29%inclusion2 decks7 decks
23%synergy
Mana Leak
29%inclusion2 decks7 decks
22%synergy
Frantic Search
29%inclusion2 decks7 decks
-1%synergy
Cyber Conversion
29%inclusion2 decks7 decks
25%synergy
Strix Serenade
29%inclusion2 decks7 decks
19%synergy
Brainstorm
14%inclusion1 decks7 decks
-27%synergy
Disallow
14%inclusion1 decks7 decks
7%synergy
Cryptic Command
14%inclusion1 decks7 decks
3%synergy
Force of Negation
14%inclusion1 decks7 decks
-1%synergy
Whirlwind Denial
14%inclusion1 decks7 decks
13%synergy
Thassa's Rebuff
14%inclusion1 decks7 decks
13%synergy
Aetherize
14%inclusion1 decks7 decks
-14%synergy
Archmage's Charm
14%inclusion1 decks7 decks
-2%synergy
Spell Pierce
14%inclusion1 decks7 decks
6%synergy
Desertion
14%inclusion1 decks7 decks
12%synergy
Three Steps Ahead
14%inclusion1 decks7 decks
4%synergy
Refute
14%inclusion1 decks7 decks
9%synergy
Flare of Denial
14%inclusion1 decks7 decks
8%synergy
Consider
14%inclusion1 decks7 decks
0%synergy
Cancel
14%inclusion1 decks7 decks
9%synergy
Fated Infatuation
14%inclusion1 decks7 decks
13%synergy
Sorceries
Sea Gate Restoration
71%inclusion5 decks7 decks
57%synergy
Rite of Replication
57%inclusion4 decks7 decks
50%synergy
Distant Melody
43%inclusion3 decks7 decks
38%synergy
Step Through
29%inclusion2 decks7 decks
23%synergy
Timetwister
29%inclusion2 decks7 decks
26%synergy
Aquitect's Will
29%inclusion2 decks7 decks
23%synergy
Quantum Misalignment
14%inclusion1 decks7 decks
11%synergy
Clone Legion
14%inclusion1 decks7 decks
12%synergy
Time Stretch
14%inclusion1 decks7 decks
10%synergy
Savor the Moment
14%inclusion1 decks7 decks
13%synergy
Windfall
14%inclusion1 decks7 decks
-9%synergy
Walk the Aeons
14%inclusion1 decks7 decks
12%synergy
Season of Weaving
14%inclusion1 decks7 decks
9%synergy
Self-Reflection
14%inclusion1 decks7 decks
14%synergy
Quasiduplicate
14%inclusion1 decks7 decks
11%synergy
Personal Tutor
14%inclusion1 decks7 decks
10%synergy
Irenicus's Vile Duplication
14%inclusion1 decks7 decks
6%synergy
Retraced Image
14%inclusion1 decks7 decks
12%synergy
Open into Wonder
14%inclusion1 decks7 decks
14%synergy
Acquire
14%inclusion1 decks7 decks
13%synergy
Stolen Identity
14%inclusion1 decks7 decks
12%synergy
Time Spiral
14%inclusion1 decks7 decks
13%synergy
Time Warp
14%inclusion1 decks7 decks
8%synergy
Utility Artifacts
Lightning Greaves
71%inclusion5 decks7 decks
45%synergy
The Indomitable
43%inclusion3 decks7 decks
41%synergy
Coat of Arms
29%inclusion2 decks7 decks
27%synergy
Vanquisher's Banner
29%inclusion2 decks7 decks
27%synergy
Herald's Horn
29%inclusion2 decks7 decks
27%synergy
Kefnet's Monument
29%inclusion2 decks7 decks
22%synergy
Horn of the Mark
29%inclusion2 decks7 decks
29%synergy
Sword of Feast and Famine
29%inclusion2 decks7 decks
27%synergy
Sword of Fire and Ice
14%inclusion1 decks7 decks
14%synergy
Banner of Kinship
14%inclusion1 decks7 decks
12%synergy
Sting, the Glinting Dagger
14%inclusion1 decks7 decks
13%synergy
Sword of the Animist
14%inclusion1 decks7 decks
9%synergy
Isochron Scepter
14%inclusion1 decks7 decks
-4%synergy
Aether Vial
14%inclusion1 decks7 decks
14%synergy
Quicksilver Fountain
14%inclusion1 decks7 decks
13%synergy
Wayfarer's Bauble
14%inclusion1 decks7 decks
-4%synergy
Mirror Box
14%inclusion1 decks7 decks
11%synergy
Door of Destinies
14%inclusion1 decks7 decks
13%synergy
Mind's Eye
14%inclusion1 decks7 decks
13%synergy
Swiftfoot Boots
14%inclusion1 decks7 decks
-14%synergy
Enchantments
Merrow Commerce
71%inclusion5 decks7 decks
70%synergy
Reflections of Littjara
57%inclusion4 decks7 decks
54%synergy
Deeproot Pilgrimage
57%inclusion4 decks7 decks
56%synergy
Mystic Remora
57%inclusion4 decks7 decks
30%synergy
Reconnaissance Mission
43%inclusion3 decks7 decks
36%synergy
Propaganda
29%inclusion2 decks7 decks
-1%synergy
Wizard Class
29%inclusion2 decks7 decks
12%synergy
Deeproot Waters
29%inclusion2 decks7 decks
27%synergy
Copy Artifact
29%inclusion2 decks7 decks
25%synergy
Spreading Seas
29%inclusion2 decks7 decks
27%synergy
Back to Basics
14%inclusion1 decks7 decks
7%synergy
Vesuvan Duplimancy
14%inclusion1 decks7 decks
11%synergy
Omniscience
14%inclusion1 decks7 decks
6%synergy
Court of Cunning
14%inclusion1 decks7 decks
11%synergy
Frogify
14%inclusion1 decks7 decks
13%synergy
Imprisoned in the Moon
14%inclusion1 decks7 decks
2%synergy
Followed Footsteps
14%inclusion1 decks7 decks
14%synergy
Leyline of Anticipation
14%inclusion1 decks7 decks
5%synergy
Curiosity
14%inclusion1 decks7 decks
11%synergy
Military Intelligence
14%inclusion1 decks7 decks
13%synergy
Utility Lands
Nykthos, Shrine to Nyx
86%inclusion6 decks7 decks
70%synergy
Mystic Sanctuary
71%inclusion5 decks7 decks
21%synergy
Three Tree City
71%inclusion5 decks7 decks
68%synergy
Minamo, School at Water's Edge
57%inclusion4 decks7 decks
45%synergy
Mutavault
43%inclusion3 decks7 decks
42%synergy
Reliquary Tower
43%inclusion3 decks7 decks
-14%synergy
Otawara, Soaring City
43%inclusion3 decks7 decks
17%synergy
Archway of Innovation
29%inclusion2 decks7 decks
18%synergy
Castle Vantress
29%inclusion2 decks7 decks
10%synergy
Scavenger Grounds
29%inclusion2 decks7 decks
21%synergy
War Room
29%inclusion2 decks7 decks
12%synergy
Hall of Storm Giants
14%inclusion1 decks7 decks
12%synergy
Wasteland
14%inclusion1 decks7 decks
13%synergy
Rivendell
14%inclusion1 decks7 decks
3%synergy
Muraganda Raceway
14%inclusion1 decks7 decks
12%synergy
Amonkhet Raceway
14%inclusion1 decks7 decks
13%synergy
Cephalid Coliseum
14%inclusion1 decks7 decks
5%synergy
Maze of Ith
14%inclusion1 decks7 decks
9%synergy
Academy Ruins
14%inclusion1 decks7 decks
-4%synergy
Mana Artifacts
Arcane Signet
100%inclusion7 decks7 decks
35%synergy
Sol Ring
86%inclusion6 decks7 decks
0%synergy
Patchwork Banner
57%inclusion4 decks7 decks
54%synergy
Gauntlet of Power
43%inclusion3 decks7 decks
39%synergy
Thought Vessel
43%inclusion3 decks7 decks
-9%synergy
Fellwar Stone
43%inclusion3 decks7 decks
23%synergy
Caged Sun
29%inclusion2 decks7 decks
17%synergy
Springleaf Drum
29%inclusion2 decks7 decks
25%synergy
Nyx Lotus
29%inclusion2 decks7 decks
24%synergy
Commander's Sphere
14%inclusion1 decks7 decks
4%synergy
Planar Atlas
14%inclusion1 decks7 decks
14%synergy
Liquimetal Torque
14%inclusion1 decks7 decks
7%synergy
Misleading Signpost
14%inclusion1 decks7 decks
10%synergy
Throne of Eldraine
14%inclusion1 decks7 decks
5%synergy
The Irencrag
14%inclusion1 decks7 decks
14%synergy
Thran Dynamo
14%inclusion1 decks7 decks
1%synergy
Lotus Petal
14%inclusion1 decks7 decks
2%synergy
Extraplanar Lens
14%inclusion1 decks7 decks
6%synergy
Lands
Cavern of Souls
86%inclusion6 decks7 decks
81%synergy
Island
86%inclusion6 decks7 decks
-8%synergy
Sea Gate Restoration
71%inclusion5 decks7 decks
57%synergy
Sink into Stupor
57%inclusion4 decks7 decks
36%synergy
Glasspool Mimic
57%inclusion4 decks7 decks
51%synergy
Hydroelectric Specimen
29%inclusion2 decks7 decks
15%synergy
Scalding Tarn
29%inclusion2 decks7 decks
21%synergy
Flooded Strand
29%inclusion2 decks7 decks
20%synergy
Misty Rainforest
29%inclusion2 decks7 decks
21%synergy
Demolition Field
29%inclusion2 decks7 decks
23%synergy
Urza's Cave
29%inclusion2 decks7 decks
25%synergy
Polluted Delta
29%inclusion2 decks7 decks
20%synergy
Fabled Passage
14%inclusion1 decks7 decks
11%synergy
Path of Ancestry
14%inclusion1 decks7 decks
10%synergy
Abstergo Entertainment
14%inclusion1 decks7 decks
13%synergy
Prismatic Vista
14%inclusion1 decks7 decks
10%synergy
Snow-Covered Island
14%inclusion1 decks7 decks
6%synergy
Gemstone Caverns
14%inclusion1 decks7 decks
8%synergy
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