Svyelun of Sea and Sky (Commander) - Expensive Optimized

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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Harbinger of the Seas
100%inclusion6 decks6 decks
91%synergy
Vodalian Hexcatcher
83%inclusion5 decks6 decks
82%synergy
Thieving Skydiver
83%inclusion5 decks6 decks
79%synergy
Nykthos, Shrine to Nyx
83%inclusion5 decks6 decks
67%synergy
Wanderwine Prophets
67%inclusion4 decks6 decks
66%synergy
Seahunter
67%inclusion4 decks6 decks
66%synergy
Emperor Mihail II
67%inclusion4 decks6 decks
66%synergy
Tide Shaper
67%inclusion4 decks6 decks
66%synergy
Merrow Harbinger
67%inclusion4 decks6 decks
66%synergy
Lord of Atlantis
67%inclusion4 decks6 decks
65%synergy
Top Cards
Mystic Remora
83%inclusion5 decks6 decks
56%synergy
Swan Song
67%inclusion4 decks6 decks
41%synergy
Master of the Pearl Trident
67%inclusion4 decks6 decks
65%synergy
Kopala, Warden of Waves
67%inclusion4 decks6 decks
65%synergy
Deeproot Pilgrimage
67%inclusion4 decks6 decks
65%synergy
Merrow Reejerey
67%inclusion4 decks6 decks
65%synergy
Ponder
67%inclusion4 decks6 decks
37%synergy
Rapid Hybridization
67%inclusion4 decks6 decks
32%synergy
Reality Shift
67%inclusion4 decks6 decks
38%synergy
Mana Drain
67%inclusion4 decks6 decks
40%synergy
Game Changers
Force of Will
100%inclusion6 decks6 decks
82%synergy
Rhystic Study
100%inclusion6 decks6 decks
66%synergy
Cyclonic Rift
100%inclusion6 decks6 decks
64%synergy
Ancient Tomb
83%inclusion5 decks6 decks
71%synergy
Fierce Guardianship
83%inclusion5 decks6 decks
60%synergy
Chrome Mox
67%inclusion4 decks6 decks
57%synergy
Thassa's Oracle
67%inclusion4 decks6 decks
53%synergy
Mystical Tutor
67%inclusion4 decks6 decks
42%synergy
Mana Vault
33%inclusion2 decks6 decks
22%synergy
Narset, Parter of Veils
33%inclusion2 decks6 decks
21%synergy
Creatures
Cursecatcher
67%inclusion4 decks6 decks
65%synergy
True-Name Nemesis
50%inclusion3 decks6 decks
49%synergy
Mindspring Merfolk
50%inclusion3 decks6 decks
49%synergy
Lullmage Mentor
50%inclusion3 decks6 decks
48%synergy
Mist Dancer
50%inclusion3 decks6 decks
49%synergy
Seafloor Oracle
50%inclusion3 decks6 decks
49%synergy
Tishana's Tidebinder
50%inclusion3 decks6 decks
45%synergy
Thada Adel, Acquisitor
50%inclusion3 decks6 decks
48%synergy
Roaming Throne
33%inclusion2 decks6 decks
29%synergy
Deepchannel Mentor
33%inclusion2 decks6 decks
32%synergy
Thassa, God of the Sea
33%inclusion2 decks6 decks
30%synergy
Tidal Warrior
33%inclusion2 decks6 decks
33%synergy
Merfolk Trickster
33%inclusion2 decks6 decks
32%synergy
Merfolk Sovereign
33%inclusion2 decks6 decks
32%synergy
Mistcaller
33%inclusion2 decks6 decks
32%synergy
Glasspool Mimic
33%inclusion2 decks6 decks
27%synergy
Silvergill Adept
33%inclusion2 decks6 decks
33%synergy
Master of Waves
33%inclusion2 decks6 decks
29%synergy
Stonybrook Banneret
33%inclusion2 decks6 decks
30%synergy
Rootwater Thief
33%inclusion2 decks6 decks
33%synergy
Gilded Drake
33%inclusion2 decks6 decks
31%synergy
Empress Galina
33%inclusion2 decks6 decks
32%synergy
Coralhelm Commander
17%inclusion1 decks6 decks
16%synergy
Seasinger
17%inclusion1 decks6 decks
16%synergy
Rootwater Matriarch
17%inclusion1 decks6 decks
17%synergy
Vedalken Aethermage
17%inclusion1 decks6 decks
14%synergy
Archmage of Runes
17%inclusion1 decks6 decks
5%synergy
Phyrexian Metamorph
17%inclusion1 decks6 decks
-2%synergy
Cosi's Trickster
17%inclusion1 decks6 decks
16%synergy
Tideshaper Mystic
17%inclusion1 decks6 decks
16%synergy
Spellseeker
17%inclusion1 decks6 decks
8%synergy
Forensic Researcher
17%inclusion1 decks6 decks
15%synergy
Defiler of Dreams
17%inclusion1 decks6 decks
7%synergy
Harbinger of the Tides
17%inclusion1 decks6 decks
15%synergy
Augur of Bolas
17%inclusion1 decks6 decks
15%synergy
Trinket Mage
17%inclusion1 decks6 decks
7%synergy
Thassa, Deep-Dwelling
17%inclusion1 decks6 decks
13%synergy
Razorfin Abolisher
17%inclusion1 decks6 decks
17%synergy
Floodpits Drowner
17%inclusion1 decks6 decks
16%synergy
Malevolent Hermit
17%inclusion1 decks6 decks
13%synergy
Sigil Tracer
17%inclusion1 decks6 decks
15%synergy
Turtleshell Changeling
17%inclusion1 decks6 decks
17%synergy
Tempest Caller
17%inclusion1 decks6 decks
16%synergy
Fallowsage
17%inclusion1 decks6 decks
16%synergy
Baral, Chief of Compliance
17%inclusion1 decks6 decks
5%synergy
Talrand, Sky Summoner
17%inclusion1 decks6 decks
3%synergy
Wake Thrasher
17%inclusion1 decks6 decks
16%synergy
Solemn Simulacrum
17%inclusion1 decks6 decks
-6%synergy
Eluge, the Shoreless Sea
17%inclusion1 decks6 decks
8%synergy
Stormtide Leviathan
17%inclusion1 decks6 decks
10%synergy
Instants
Force of Negation
67%inclusion4 decks6 decks
51%synergy
Counterspell
67%inclusion4 decks6 decks
0%synergy
Arcane Denial
50%inclusion3 decks6 decks
14%synergy
High Tide
50%inclusion3 decks6 decks
6%synergy
Pongify
50%inclusion3 decks6 decks
10%synergy
Sink into Stupor
50%inclusion3 decks6 decks
29%synergy
Misdirection
50%inclusion3 decks6 decks
45%synergy
Muddle the Mixture
33%inclusion2 decks6 decks
17%synergy
An Offer You Can't Refuse
33%inclusion2 decks6 decks
-2%synergy
Flare of Denial
33%inclusion2 decks6 decks
27%synergy
Cyber Conversion
33%inclusion2 decks6 decks
29%synergy
Brainstorm
33%inclusion2 decks6 decks
-8%synergy
Aetherize
33%inclusion2 decks6 decks
6%synergy
Silundi Vision
33%inclusion2 decks6 decks
28%synergy
Pact of Negation
33%inclusion2 decks6 decks
23%synergy
Evacuation
33%inclusion2 decks6 decks
26%synergy
Blur
17%inclusion1 decks6 decks
11%synergy
Mental Misstep
17%inclusion1 decks6 decks
10%synergy
Stern Dismissal
17%inclusion1 decks6 decks
16%synergy
Mindbreak Trap
17%inclusion1 decks6 decks
11%synergy
Foil
17%inclusion1 decks6 decks
11%synergy
Gale's Redirection
17%inclusion1 decks6 decks
16%synergy
Flusterstorm
17%inclusion1 decks6 decks
7%synergy
Into the Flood Maw
17%inclusion1 decks6 decks
11%synergy
Snap
17%inclusion1 decks6 decks
-1%synergy
Pull from Tomorrow
17%inclusion1 decks6 decks
7%synergy
Thassa's Rebuff
17%inclusion1 decks6 decks
15%synergy
Borne Upon a Wind
17%inclusion1 decks6 decks
12%synergy
Long-Term Plans
17%inclusion1 decks6 decks
13%synergy
Narset's Reversal
17%inclusion1 decks6 decks
4%synergy
Spell Pierce
17%inclusion1 decks6 decks
8%synergy
Snapback
17%inclusion1 decks6 decks
16%synergy
Chain of Vapor
17%inclusion1 decks6 decks
11%synergy
Brainsurge
17%inclusion1 decks6 decks
9%synergy
Split Decision
17%inclusion1 decks6 decks
16%synergy
Dispel
17%inclusion1 decks6 decks
7%synergy
Filter Out
17%inclusion1 decks6 decks
12%synergy
Reins of Power
17%inclusion1 decks6 decks
15%synergy
Commandeer
17%inclusion1 decks6 decks
12%synergy
Hydroblast
17%inclusion1 decks6 decks
15%synergy
Trickery Charm
17%inclusion1 decks6 decks
16%synergy
Mystic Confluence
17%inclusion1 decks6 decks
7%synergy
Dig Through Time
17%inclusion1 decks6 decks
6%synergy
Frantic Search
17%inclusion1 decks6 decks
-13%synergy
Gifts Ungiven
17%inclusion1 decks6 decks
15%synergy
Kiora's Dismissal
17%inclusion1 decks6 decks
17%synergy
Daze
17%inclusion1 decks6 decks
15%synergy
Capsize
17%inclusion1 decks6 decks
12%synergy
Strix Serenade
17%inclusion1 decks6 decks
7%synergy
Resculpt
17%inclusion1 decks6 decks
-3%synergy
Sorceries
Personal Tutor
50%inclusion3 decks6 decks
46%synergy
Paradigm Shift
33%inclusion2 decks6 decks
33%synergy
Raise the Palisade
33%inclusion2 decks6 decks
30%synergy
Sea Gate Restoration
33%inclusion2 decks6 decks
19%synergy
Bribery
33%inclusion2 decks6 decks
29%synergy
Aquitect's Will
33%inclusion2 decks6 decks
28%synergy
Solve the Equation
33%inclusion2 decks6 decks
20%synergy
Step Through
33%inclusion2 decks6 decks
28%synergy
Gitaxian Probe
17%inclusion1 decks6 decks
5%synergy
Treasure Cruise
17%inclusion1 decks6 decks
5%synergy
Preordain
17%inclusion1 decks6 decks
-8%synergy
Distant Melody
17%inclusion1 decks6 decks
12%synergy
Timetwister
17%inclusion1 decks6 decks
14%synergy
Acquire
17%inclusion1 decks6 decks
15%synergy
Chart a Course
17%inclusion1 decks6 decks
12%synergy
Stock Up
17%inclusion1 decks6 decks
14%synergy
Temporal Mastery
17%inclusion1 decks6 decks
13%synergy
Expropriate
17%inclusion1 decks6 decks
13%synergy
Ravenform
17%inclusion1 decks6 decks
6%synergy
Windfall
17%inclusion1 decks6 decks
-7%synergy
Walk the Aeons
17%inclusion1 decks6 decks
15%synergy
Consuming Tide
17%inclusion1 decks6 decks
13%synergy
Slip Through Space
17%inclusion1 decks6 decks
12%synergy
Lunar Insight
17%inclusion1 decks6 decks
15%synergy
Lórien Revealed
17%inclusion1 decks6 decks
8%synergy
Capture of Jingzhou
17%inclusion1 decks6 decks
14%synergy
Inevitable Betrayal
17%inclusion1 decks6 decks
15%synergy
Rite of Replication
17%inclusion1 decks6 decks
10%synergy
Utility Artifacts
Sapphire Medallion
50%inclusion3 decks6 decks
-6%synergy
Lightning Greaves
33%inclusion2 decks6 decks
7%synergy
The One Ring
33%inclusion2 decks6 decks
21%synergy
Bident of Thassa
33%inclusion2 decks6 decks
22%synergy
Aether Vial
33%inclusion2 decks6 decks
33%synergy
Quicksilver Fountain
33%inclusion2 decks6 decks
32%synergy
Sensei's Divining Top
17%inclusion1 decks6 decks
2%synergy
The Indomitable
17%inclusion1 decks6 decks
14%synergy
Wayfarer's Bauble
17%inclusion1 decks6 decks
-2%synergy
Coat of Arms
17%inclusion1 decks6 decks
15%synergy
Explorer's Scope
17%inclusion1 decks6 decks
15%synergy
Urza's Incubator
17%inclusion1 decks6 decks
15%synergy
Commander's Plate
17%inclusion1 decks6 decks
12%synergy
Sword of Feast and Famine
17%inclusion1 decks6 decks
15%synergy
Umezawa's Jitte
17%inclusion1 decks6 decks
16%synergy
Horn of the Mark
17%inclusion1 decks6 decks
17%synergy
Winged Boots
17%inclusion1 decks6 decks
14%synergy
Enchantments
Reflections of Littjara
50%inclusion3 decks6 decks
46%synergy
Back to Basics
50%inclusion3 decks6 decks
42%synergy
Deeproot Waters
33%inclusion2 decks6 decks
32%synergy
Kindred Discovery
33%inclusion2 decks6 decks
27%synergy
Merrow Commerce
33%inclusion2 decks6 decks
32%synergy
Propaganda
33%inclusion2 decks6 decks
4%synergy
Steal Enchantment
17%inclusion1 decks6 decks
16%synergy
Treachery
17%inclusion1 decks6 decks
15%synergy
Equilibrium
17%inclusion1 decks6 decks
16%synergy
Sea's Claim
17%inclusion1 decks6 decks
16%synergy
Reconnaissance Mission
17%inclusion1 decks6 decks
10%synergy
Levitation
17%inclusion1 decks6 decks
16%synergy
Spreading Seas
17%inclusion1 decks6 decks
16%synergy
Counterbalance
17%inclusion1 decks6 decks
13%synergy
Frozen Aether
17%inclusion1 decks6 decks
16%synergy
Wizard Class
17%inclusion1 decks6 decks
0%synergy
Thought Lash
17%inclusion1 decks6 decks
16%synergy
Amphibian Downpour
17%inclusion1 decks6 decks
11%synergy
Planeswalkers
Jace, Wielder of Mysteries
17%inclusion1 decks6 decks
2%synergy
Utility Lands
Mystic Sanctuary
83%inclusion5 decks6 decks
32%synergy
Minamo, School at Water's Edge
50%inclusion3 decks6 decks
38%synergy
Mutavault
33%inclusion2 decks6 decks
32%synergy
Otawara, Soaring City
33%inclusion2 decks6 decks
8%synergy
Riptide Laboratory
33%inclusion2 decks6 decks
23%synergy
Strip Mine
33%inclusion2 decks6 decks
30%synergy
Three Tree City
33%inclusion2 decks6 decks
30%synergy
Wasteland
17%inclusion1 decks6 decks
15%synergy
Rivendell
17%inclusion1 decks6 decks
5%synergy
Deserted Temple
17%inclusion1 decks6 decks
16%synergy
Tolaria West
17%inclusion1 decks6 decks
11%synergy
Scavenger Grounds
17%inclusion1 decks6 decks
9%synergy
Muraganda Raceway
17%inclusion1 decks6 decks
14%synergy
Reliquary Tower
17%inclusion1 decks6 decks
-40%synergy
Castle Vantress
17%inclusion1 decks6 decks
-3%synergy
Hall of Storm Giants
17%inclusion1 decks6 decks
14%synergy
Urza's Saga
17%inclusion1 decks6 decks
0%synergy
Lonely Sandbar
17%inclusion1 decks6 decks
2%synergy
Mana Artifacts
Sol Ring
100%inclusion6 decks6 decks
14%synergy
Arcane Signet
50%inclusion3 decks6 decks
-15%synergy
Gauntlet of Power
50%inclusion3 decks6 decks
46%synergy
Lotus Petal
50%inclusion3 decks6 decks
38%synergy
Fellwar Stone
33%inclusion2 decks6 decks
13%synergy
Mox Amber
33%inclusion2 decks6 decks
26%synergy
Thought Vessel
33%inclusion2 decks6 decks
-18%synergy
Patchwork Banner
17%inclusion1 decks6 decks
13%synergy
Springleaf Drum
17%inclusion1 decks6 decks
14%synergy
Caged Sun
17%inclusion1 decks6 decks
5%synergy
Grim Monolith
17%inclusion1 decks6 decks
11%synergy
Mind Stone
17%inclusion1 decks6 decks
-21%synergy
Nyx Lotus
17%inclusion1 decks6 decks
12%synergy
Mox Diamond
17%inclusion1 decks6 decks
11%synergy
Lands
Island
100%inclusion6 decks6 decks
7%synergy
Misty Rainforest
67%inclusion4 decks6 decks
59%synergy
Cavern of Souls
67%inclusion4 decks6 decks
62%synergy
Scalding Tarn
67%inclusion4 decks6 decks
59%synergy
Gemstone Caverns
67%inclusion4 decks6 decks
61%synergy
Flooded Strand
67%inclusion4 decks6 decks
58%synergy
Polluted Delta
50%inclusion3 decks6 decks
42%synergy
Sink into Stupor
50%inclusion3 decks6 decks
29%synergy
Sea Gate Restoration
33%inclusion2 decks6 decks
19%synergy
Glasspool Mimic
33%inclusion2 decks6 decks
27%synergy
Prismatic Vista
33%inclusion2 decks6 decks
29%synergy
Silundi Vision
33%inclusion2 decks6 decks
28%synergy
Fabled Passage
17%inclusion1 decks6 decks
14%synergy
Urza's Cave
17%inclusion1 decks6 decks
13%synergy
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