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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Merrow Commerce
100%inclusion6 decks6 decks
99%synergy
Vodalian Hexcatcher
100%inclusion6 decks6 decks
98%synergy
Emperor Mihail II
83%inclusion5 decks6 decks
82%synergy
Lord of Atlantis
83%inclusion5 decks6 decks
82%synergy
Kopala, Warden of Waves
83%inclusion5 decks6 decks
82%synergy
Merrow Reejerey
83%inclusion5 decks6 decks
82%synergy
Merfolk Sovereign
83%inclusion5 decks6 decks
82%synergy
Master of the Pearl Trident
83%inclusion5 decks6 decks
82%synergy
Raise the Palisade
83%inclusion5 decks6 decks
80%synergy
Stonybrook Banneret
83%inclusion5 decks6 decks
80%synergy
Top Cards
Mana Drain
83%inclusion5 decks6 decks
56%synergy
Counterspell
83%inclusion5 decks6 decks
16%synergy
Sapphire Medallion
83%inclusion5 decks6 decks
27%synergy
Coralhelm Commander
67%inclusion4 decks6 decks
66%synergy
Lullmage Mentor
67%inclusion4 decks6 decks
65%synergy
Swan Song
67%inclusion4 decks6 decks
41%synergy
High Tide
67%inclusion4 decks6 decks
22%synergy
Seafloor Oracle
67%inclusion4 decks6 decks
65%synergy
Pongify
67%inclusion4 decks6 decks
26%synergy
Deepchannel Mentor
67%inclusion4 decks6 decks
65%synergy
Game Changers
Cyclonic Rift
67%inclusion4 decks6 decks
31%synergy
Force of Will
50%inclusion3 decks6 decks
32%synergy
Rhystic Study
50%inclusion3 decks6 decks
16%synergy
Fierce Guardianship
33%inclusion2 decks6 decks
10%synergy
The One Ring
17%inclusion1 decks6 decks
4%synergy
Thassa's Oracle
17%inclusion1 decks6 decks
3%synergy
Mystical Tutor
17%inclusion1 decks6 decks
-8%synergy
Creatures
Mist Dancer
67%inclusion4 decks6 decks
66%synergy
Tide Shaper
67%inclusion4 decks6 decks
66%synergy
Sigil Tracer
50%inclusion3 decks6 decks
49%synergy
Mist-Cloaked Herald
50%inclusion3 decks6 decks
48%synergy
Harbinger of the Tides
50%inclusion3 decks6 decks
49%synergy
Thada Adel, Acquisitor
50%inclusion3 decks6 decks
48%synergy
Thieving Skydiver
50%inclusion3 decks6 decks
46%synergy
Master of Waves
50%inclusion3 decks6 decks
46%synergy
Tishana's Tidebinder
50%inclusion3 decks6 decks
45%synergy
Spark Double
50%inclusion3 decks6 decks
36%synergy
Merfolk Trickster
50%inclusion3 decks6 decks
48%synergy
Merrow Harbinger
50%inclusion3 decks6 decks
49%synergy
True-Name Nemesis
50%inclusion3 decks6 decks
49%synergy
Kiora, the Rising Tide
50%inclusion3 decks6 decks
47%synergy
Gray Harbor Merfolk
50%inclusion3 decks6 decks
50%synergy
Cosi's Trickster
33%inclusion2 decks6 decks
33%synergy
Thassa, God of the Sea
33%inclusion2 decks6 decks
30%synergy
Triton Shorestalker
33%inclusion2 decks6 decks
31%synergy
Tempest Caller
33%inclusion2 decks6 decks
32%synergy
Tidebinder Mage
33%inclusion2 decks6 decks
33%synergy
Seahunter
33%inclusion2 decks6 decks
33%synergy
Wanderwine Prophets
33%inclusion2 decks6 decks
33%synergy
Reef Shaman
33%inclusion2 decks6 decks
33%synergy
Hydroelectric Specimen
33%inclusion2 decks6 decks
20%synergy
Sakashima of a Thousand Faces
33%inclusion2 decks6 decks
27%synergy
Alandra, Sky Dreamer
33%inclusion2 decks6 decks
27%synergy
Glasspool Mimic
33%inclusion2 decks6 decks
27%synergy
Silvergill Adept
33%inclusion2 decks6 decks
33%synergy
Empress Galina
33%inclusion2 decks6 decks
32%synergy
Summon: Leviathan
25%inclusion1 decks4 decks
23%synergy
Phyrexian Metamorph
17%inclusion1 decks6 decks
-2%synergy
Rishadan Dockhand
17%inclusion1 decks6 decks
16%synergy
Synth Infiltrator
17%inclusion1 decks6 decks
16%synergy
Tideshaper Mystic
17%inclusion1 decks6 decks
16%synergy
Mirrorhall Mimic
17%inclusion1 decks6 decks
15%synergy
Enduring Curiosity
17%inclusion1 decks6 decks
11%synergy
Talrand, Sky Summoner
17%inclusion1 decks6 decks
3%synergy
Wake Thrasher
17%inclusion1 decks6 decks
16%synergy
Undercover Operative
17%inclusion1 decks6 decks
15%synergy
Mindspring Merfolk
17%inclusion1 decks6 decks
16%synergy
Roaming Throne
17%inclusion1 decks6 decks
12%synergy
Herald of Secret Streams
17%inclusion1 decks6 decks
16%synergy
Clone
17%inclusion1 decks6 decks
14%synergy
Body Double
17%inclusion1 decks6 decks
15%synergy
Sakashima the Impostor
17%inclusion1 decks6 decks
14%synergy
Vesuvan Doppelganger
17%inclusion1 decks6 decks
16%synergy
Archivist
17%inclusion1 decks6 decks
16%synergy
Emry, Lurker of the Loch
17%inclusion1 decks6 decks
5%synergy
Pirated Copy
17%inclusion1 decks6 decks
16%synergy
Surgespanner
17%inclusion1 decks6 decks
16%synergy
Instants
An Offer You Can't Refuse
67%inclusion4 decks6 decks
31%synergy
Rapid Hybridization
50%inclusion3 decks6 decks
16%synergy
Strix Serenade
50%inclusion3 decks6 decks
40%synergy
Negate
50%inclusion3 decks6 decks
11%synergy
Resculpt
50%inclusion3 decks6 decks
30%synergy
Flare of Denial
33%inclusion2 decks6 decks
27%synergy
Sink into Stupor
33%inclusion2 decks6 decks
12%synergy
Frantic Search
33%inclusion2 decks6 decks
4%synergy
Force of Negation
33%inclusion2 decks6 decks
18%synergy
Archmage's Charm
33%inclusion2 decks6 decks
17%synergy
Disallow
33%inclusion2 decks6 decks
26%synergy
Arcane Denial
33%inclusion2 decks6 decks
-3%synergy
Mana Leak
33%inclusion2 decks6 decks
27%synergy
Dramatic Reversal
33%inclusion2 decks6 decks
13%synergy
Brainstorm
17%inclusion1 decks6 decks
-25%synergy
Reality Shift
17%inclusion1 decks6 decks
-12%synergy
Three Steps Ahead
17%inclusion1 decks6 decks
7%synergy
Refute
17%inclusion1 decks6 decks
11%synergy
Consider
17%inclusion1 decks6 decks
2%synergy
Aetherize
17%inclusion1 decks6 decks
-11%synergy
Cancel
17%inclusion1 decks6 decks
11%synergy
Cryptic Command
17%inclusion1 decks6 decks
5%synergy
Snap
17%inclusion1 decks6 decks
-1%synergy
Fated Infatuation
17%inclusion1 decks6 decks
15%synergy
Thassa's Rebuff
17%inclusion1 decks6 decks
15%synergy
Desertion
17%inclusion1 decks6 decks
15%synergy
Whirlwind Denial
17%inclusion1 decks6 decks
15%synergy
Spell Pierce
17%inclusion1 decks6 decks
8%synergy
Sorceries
Sea Gate Restoration
50%inclusion3 decks6 decks
36%synergy
Distant Melody
33%inclusion2 decks6 decks
28%synergy
Timetwister
33%inclusion2 decks6 decks
31%synergy
Aquitect's Will
33%inclusion2 decks6 decks
28%synergy
Rite of Replication
33%inclusion2 decks6 decks
27%synergy
Ponder
17%inclusion1 decks6 decks
-13%synergy
Walk the Aeons
17%inclusion1 decks6 decks
15%synergy
Stolen Identity
17%inclusion1 decks6 decks
14%synergy
Clone Legion
17%inclusion1 decks6 decks
14%synergy
Time Stretch
17%inclusion1 decks6 decks
12%synergy
Quasiduplicate
17%inclusion1 decks6 decks
14%synergy
Time Spiral
17%inclusion1 decks6 decks
15%synergy
Ravenform
17%inclusion1 decks6 decks
6%synergy
Windfall
17%inclusion1 decks6 decks
-7%synergy
Quantum Misalignment
17%inclusion1 decks6 decks
13%synergy
Self-Reflection
17%inclusion1 decks6 decks
16%synergy
Retraced Image
17%inclusion1 decks6 decks
14%synergy
Savor the Moment
17%inclusion1 decks6 decks
16%synergy
Time Warp
17%inclusion1 decks6 decks
10%synergy
Season of Weaving
17%inclusion1 decks6 decks
11%synergy
Personal Tutor
17%inclusion1 decks6 decks
12%synergy
Irenicus's Vile Duplication
17%inclusion1 decks6 decks
8%synergy
Open into Wonder
17%inclusion1 decks6 decks
16%synergy
Acquire
17%inclusion1 decks6 decks
15%synergy
Utility Artifacts
Lightning Greaves
50%inclusion3 decks6 decks
24%synergy
Herald's Horn
50%inclusion3 decks6 decks
48%synergy
Bident of Thassa
50%inclusion3 decks6 decks
38%synergy
Quicksilver Fountain
33%inclusion2 decks6 decks
32%synergy
Coat of Arms
33%inclusion2 decks6 decks
32%synergy
Kefnet's Monument
33%inclusion2 decks6 decks
27%synergy
Vanquisher's Banner
33%inclusion2 decks6 decks
32%synergy
Aether Vial
33%inclusion2 decks6 decks
33%synergy
Wayfarer's Bauble
17%inclusion1 decks6 decks
-2%synergy
Banner of Kinship
17%inclusion1 decks6 decks
14%synergy
Door of Destinies
17%inclusion1 decks6 decks
16%synergy
Sword of Feast and Famine
17%inclusion1 decks6 decks
15%synergy
Isochron Scepter
17%inclusion1 decks6 decks
-2%synergy
Sword of the Animist
17%inclusion1 decks6 decks
11%synergy
The Indomitable
17%inclusion1 decks6 decks
14%synergy
Sword of Fire and Ice
17%inclusion1 decks6 decks
16%synergy
Mirror Box
17%inclusion1 decks6 decks
14%synergy
Mind's Eye
17%inclusion1 decks6 decks
15%synergy
Swiftfoot Boots
17%inclusion1 decks6 decks
-11%synergy
Enchantments
Mystic Remora
50%inclusion3 decks6 decks
22%synergy
Kindred Discovery
50%inclusion3 decks6 decks
43%synergy
Deeproot Pilgrimage
50%inclusion3 decks6 decks
49%synergy
Curiosity
33%inclusion2 decks6 decks
31%synergy
Copy Artifact
33%inclusion2 decks6 decks
30%synergy
Propaganda
33%inclusion2 decks6 decks
4%synergy
Military Intelligence
33%inclusion2 decks6 decks
32%synergy
Spreading Seas
33%inclusion2 decks6 decks
32%synergy
Reflections of Littjara
33%inclusion2 decks6 decks
30%synergy
Reconnaissance Mission
33%inclusion2 decks6 decks
26%synergy
Deeproot Waters
33%inclusion2 decks6 decks
32%synergy
Court of Cunning
17%inclusion1 decks6 decks
13%synergy
Frogify
17%inclusion1 decks6 decks
15%synergy
Vesuvan Duplimancy
17%inclusion1 decks6 decks
13%synergy
Eaten by Piranhas
17%inclusion1 decks6 decks
13%synergy
Imprisoned in the Moon
17%inclusion1 decks6 decks
5%synergy
Omniscience
17%inclusion1 decks6 decks
8%synergy
Coastal Piracy
17%inclusion1 decks6 decks
13%synergy
Leyline of Anticipation
17%inclusion1 decks6 decks
7%synergy
Followed Footsteps
17%inclusion1 decks6 decks
16%synergy
Utility Lands
Nykthos, Shrine to Nyx
83%inclusion5 decks6 decks
67%synergy
Reliquary Tower
67%inclusion4 decks6 decks
10%synergy
Minamo, School at Water's Edge
67%inclusion4 decks6 decks
55%synergy
Three Tree City
67%inclusion4 decks6 decks
63%synergy
Mystic Sanctuary
50%inclusion3 decks6 decks
-1%synergy
War Room
50%inclusion3 decks6 decks
34%synergy
Otawara, Soaring City
50%inclusion3 decks6 decks
25%synergy
Castle Vantress
50%inclusion3 decks6 decks
31%synergy
Rivendell
33%inclusion2 decks6 decks
21%synergy
Scavenger Grounds
33%inclusion2 decks6 decks
26%synergy
Archway of Innovation
33%inclusion2 decks6 decks
22%synergy
Hall of Storm Giants
17%inclusion1 decks6 decks
14%synergy
Academy Ruins
17%inclusion1 decks6 decks
-1%synergy
Cephalid Coliseum
17%inclusion1 decks6 decks
8%synergy
Maze of Ith
17%inclusion1 decks6 decks
12%synergy
Wasteland
17%inclusion1 decks6 decks
15%synergy
Mutavault
17%inclusion1 decks6 decks
16%synergy
Mana Artifacts
Arcane Signet
100%inclusion6 decks6 decks
35%synergy
Sol Ring
83%inclusion5 decks6 decks
-2%synergy
Patchwork Banner
83%inclusion5 decks6 decks
80%synergy
Thought Vessel
50%inclusion3 decks6 decks
-2%synergy
Nyx Lotus
33%inclusion2 decks6 decks
29%synergy
Gauntlet of Power
17%inclusion1 decks6 decks
12%synergy
Extraplanar Lens
17%inclusion1 decks6 decks
9%synergy
Sky Diamond
17%inclusion1 decks6 decks
-7%synergy
Throne of Eldraine
17%inclusion1 decks6 decks
7%synergy
The Irencrag
17%inclusion1 decks6 decks
16%synergy
Fellwar Stone
17%inclusion1 decks6 decks
-3%synergy
Thran Dynamo
17%inclusion1 decks6 decks
3%synergy
Liquimetal Torque
17%inclusion1 decks6 decks
10%synergy
Misleading Signpost
17%inclusion1 decks6 decks
12%synergy
Commander's Sphere
17%inclusion1 decks6 decks
6%synergy
Lands
Cavern of Souls
83%inclusion5 decks6 decks
79%synergy
Island
83%inclusion5 decks6 decks
-10%synergy
Sea Gate Restoration
50%inclusion3 decks6 decks
36%synergy
Misty Rainforest
33%inclusion2 decks6 decks
25%synergy
Sink into Stupor
33%inclusion2 decks6 decks
12%synergy
Flooded Strand
33%inclusion2 decks6 decks
25%synergy
Hydroelectric Specimen
33%inclusion2 decks6 decks
20%synergy
Glasspool Mimic
33%inclusion2 decks6 decks
27%synergy
Scalding Tarn
33%inclusion2 decks6 decks
26%synergy
Polluted Delta
33%inclusion2 decks6 decks
25%synergy
Snow-Covered Island
17%inclusion1 decks6 decks
9%synergy
Demolition Field
17%inclusion1 decks6 decks
12%synergy
Path of Ancestry
17%inclusion1 decks6 decks
13%synergy
Prismatic Vista
17%inclusion1 decks6 decks
12%synergy
Myriad Landscape
17%inclusion1 decks6 decks
-10%synergy
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