Svyelun of Sea and Sky (Commander) - Expensive Optimized

Svyelun of Sea and Sky
Rank #1,144
8decks
Background image for 21 Best Merfolk Cards for Commander
Chris Guest
Jul 9, 2025
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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Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
White Lotus Tile
25%inclusion1 decks4 decks
24%synergy
Attuma, Atlantean Warlord
25%inclusion1 decks4 decks
24%synergy
Wan Shi Tong, Librarian
25%inclusion1 decks4 decks
17%synergy
High Synergy Cards
Harbinger of the Seas
100%inclusion8 decks8 decks
91%synergy
Lord of Atlantis
75%inclusion6 decks8 decks
74%synergy
Vodalian Hexcatcher
75%inclusion6 decks8 decks
73%synergy
Emperor Mihail II
63%inclusion5 decks8 decks
62%synergy
Kopala, Warden of Waves
63%inclusion5 decks8 decks
61%synergy
Merrow Reejerey
63%inclusion5 decks8 decks
61%synergy
Master of the Pearl Trident
63%inclusion5 decks8 decks
61%synergy
Mana Drain
88%inclusion7 decks8 decks
61%synergy
Mystic Remora
88%inclusion7 decks8 decks
60%synergy
Force of Negation
75%inclusion6 decks8 decks
60%synergy
Top Cards
Sapphire Medallion
75%inclusion6 decks8 decks
17%synergy
Counterspell
75%inclusion6 decks8 decks
8%synergy
Swan Song
75%inclusion6 decks8 decks
49%synergy
Ponder
63%inclusion5 decks8 decks
33%synergy
Tishana's Tidebinder
63%inclusion5 decks8 decks
58%synergy
High Tide
63%inclusion5 decks8 decks
18%synergy
Thieving Skydiver
63%inclusion5 decks8 decks
58%synergy
True-Name Nemesis
50%inclusion4 decks8 decks
49%synergy
Deeproot Pilgrimage
50%inclusion4 decks8 decks
48%synergy
Mist Dancer
50%inclusion4 decks8 decks
49%synergy
Game Changers
Rhystic Study
100%inclusion8 decks8 decks
67%synergy
Cyclonic Rift
100%inclusion8 decks8 decks
66%synergy
Force of Will
88%inclusion7 decks8 decks
70%synergy
Fierce Guardianship
88%inclusion7 decks8 decks
64%synergy
Mystical Tutor
75%inclusion6 decks8 decks
51%synergy
Ancient Tomb
50%inclusion4 decks8 decks
38%synergy
Chrome Mox
50%inclusion4 decks8 decks
41%synergy
Thassa's Oracle
50%inclusion4 decks8 decks
37%synergy
The One Ring
25%inclusion2 decks8 decks
12%synergy
Mana Vault
25%inclusion2 decks8 decks
14%synergy
Creatures
Merfolk Trickster
50%inclusion4 decks8 decks
49%synergy
Merrow Harbinger
50%inclusion4 decks8 decks
49%synergy
Stonybrook Banneret
50%inclusion4 decks8 decks
46%synergy
Tide Shaper
50%inclusion4 decks8 decks
49%synergy
Seafloor Oracle
50%inclusion4 decks8 decks
49%synergy
Seahunter
50%inclusion4 decks8 decks
49%synergy
Lullmage Mentor
50%inclusion4 decks8 decks
48%synergy
Wanderwine Prophets
50%inclusion4 decks8 decks
49%synergy
Thada Adel, Acquisitor
50%inclusion4 decks8 decks
48%synergy
Merfolk Sovereign
38%inclusion3 decks8 decks
36%synergy
Cursecatcher
38%inclusion3 decks8 decks
36%synergy
Silvergill Adept
38%inclusion3 decks8 decks
37%synergy
Thassa, God of the Sea
38%inclusion3 decks8 decks
34%synergy
Harbinger of the Tides
38%inclusion3 decks8 decks
36%synergy
Glasspool Mimic
38%inclusion3 decks8 decks
31%synergy
Talrand, Sky Summoner
38%inclusion3 decks8 decks
24%synergy
Roaming Throne
38%inclusion3 decks8 decks
33%synergy
Rootwater Thief
38%inclusion3 decks8 decks
37%synergy
Empress Galina
38%inclusion3 decks8 decks
37%synergy
Wake Thrasher
38%inclusion3 decks8 decks
37%synergy
Archmage of Runes
25%inclusion2 decks8 decks
13%synergy
Streambed Aquitects
25%inclusion2 decks8 decks
24%synergy
Alandra, Sky Dreamer
25%inclusion2 decks8 decks
18%synergy
Summon: Leviathan
25%inclusion2 decks8 decks
23%synergy
Mindspring Merfolk
25%inclusion2 decks8 decks
24%synergy
Gilded Drake
25%inclusion2 decks8 decks
22%synergy
Coralhelm Commander
25%inclusion2 decks8 decks
24%synergy
Sigil Tracer
25%inclusion2 decks8 decks
24%synergy
Triton Shorestalker
25%inclusion2 decks8 decks
22%synergy
Mist-Cloaked Herald
25%inclusion2 decks8 decks
23%synergy
Starwinder
17%inclusion1 decks6 decks
13%synergy
Lyla, Holographic Assistant
17%inclusion1 decks6 decks
14%synergy
Eluge, the Shoreless Sea
13%inclusion1 decks8 decks
4%synergy
Metallic Mimic
13%inclusion1 decks8 decks
11%synergy
Phyrexian Metamorph
13%inclusion1 decks8 decks
-6%synergy
Rishadan Dockhand
13%inclusion1 decks8 decks
12%synergy
Malevolent Hermit
13%inclusion1 decks8 decks
9%synergy
Adaptive Automaton
13%inclusion1 decks8 decks
11%synergy
Hydroelectric Specimen
13%inclusion1 decks8 decks
-1%synergy
Mistcaller
13%inclusion1 decks8 decks
12%synergy
Defiler of Dreams
13%inclusion1 decks8 decks
4%synergy
Laboratory Maniac
13%inclusion1 decks8 decks
-6%synergy
Sea Scryer
13%inclusion1 decks8 decks
11%synergy
Trinket Mage
13%inclusion1 decks8 decks
3%synergy
Thassa, Deep-Dwelling
13%inclusion1 decks8 decks
8%synergy
Vedalken Aethermage
13%inclusion1 decks8 decks
10%synergy
Bruvac the Grandiloquent
13%inclusion1 decks8 decks
9%synergy
Razorfin Abolisher
13%inclusion1 decks8 decks
12%synergy
Leech Bonder
13%inclusion1 decks8 decks
12%synergy
Spellseeker
13%inclusion1 decks8 decks
4%synergy
Instants
Sink into Stupor
63%inclusion5 decks8 decks
41%synergy
Misdirection
50%inclusion4 decks8 decks
45%synergy
Reality Shift
50%inclusion4 decks8 decks
22%synergy
Arcane Denial
50%inclusion4 decks8 decks
14%synergy
Brainstorm
50%inclusion4 decks8 decks
9%synergy
Pact of Negation
38%inclusion3 decks8 decks
27%synergy
Pongify
38%inclusion3 decks8 decks
-3%synergy
Muddle the Mixture
38%inclusion3 decks8 decks
22%synergy
Frantic Search
38%inclusion3 decks8 decks
7%synergy
An Offer You Can't Refuse
38%inclusion3 decks8 decks
1%synergy
Flare of Denial
25%inclusion2 decks8 decks
18%synergy
Snap
25%inclusion2 decks8 decks
7%synergy
Cyber Conversion
25%inclusion2 decks8 decks
21%synergy
Resculpt
25%inclusion2 decks8 decks
6%synergy
Flusterstorm
25%inclusion2 decks8 decks
15%synergy
Silundi Vision
25%inclusion2 decks8 decks
20%synergy
Narset's Reversal
25%inclusion2 decks8 decks
13%synergy
Evacuation
25%inclusion2 decks8 decks
17%synergy
Rapid Hybridization
25%inclusion2 decks8 decks
-10%synergy
Negate
25%inclusion2 decks8 decks
-13%synergy
Strix Serenade
25%inclusion2 decks8 decks
15%synergy
Archmage's Charm
25%inclusion2 decks8 decks
8%synergy
Cryptic Command
25%inclusion2 decks8 decks
13%synergy
Chain of Vapor
13%inclusion1 decks8 decks
7%synergy
Stubborn Denial
13%inclusion1 decks8 decks
10%synergy
Focus the Mind
13%inclusion1 decks8 decks
12%synergy
Dispel
13%inclusion1 decks8 decks
3%synergy
Aetherize
13%inclusion1 decks8 decks
-16%synergy
Slip Out the Back
13%inclusion1 decks8 decks
5%synergy
Tale's End
13%inclusion1 decks8 decks
9%synergy
Hydroblast
13%inclusion1 decks8 decks
11%synergy
Thassa's Rebuff
13%inclusion1 decks8 decks
11%synergy
Unsubstantiate
13%inclusion1 decks8 decks
10%synergy
Mystic Confluence
13%inclusion1 decks8 decks
3%synergy
Miscast
13%inclusion1 decks8 decks
9%synergy
Snapback
13%inclusion1 decks8 decks
11%synergy
Impulse
13%inclusion1 decks8 decks
8%synergy
Blur
13%inclusion1 decks8 decks
7%synergy
Mindbreak Trap
13%inclusion1 decks8 decks
7%synergy
Rain of Revelation
13%inclusion1 decks8 decks
12%synergy
Filter Out
13%inclusion1 decks8 decks
9%synergy
Reins of Power
13%inclusion1 decks8 decks
10%synergy
Commandeer
13%inclusion1 decks8 decks
8%synergy
Pull from Tomorrow
13%inclusion1 decks8 decks
3%synergy
Borne Upon a Wind
13%inclusion1 decks8 decks
8%synergy
Long-Term Plans
13%inclusion1 decks8 decks
9%synergy
Dig Through Time
13%inclusion1 decks8 decks
3%synergy
Mental Misstep
13%inclusion1 decks8 decks
6%synergy
Stern Dismissal
13%inclusion1 decks8 decks
12%synergy
Brainsurge
13%inclusion1 decks8 decks
4%synergy
Sorceries
Sea Gate Restoration
50%inclusion4 decks8 decks
35%synergy
Windfall
38%inclusion3 decks8 decks
15%synergy
Personal Tutor
38%inclusion3 decks8 decks
33%synergy
Raise the Palisade
38%inclusion3 decks8 decks
34%synergy
Paradigm Shift
25%inclusion2 decks8 decks
24%synergy
Timetwister
25%inclusion2 decks8 decks
23%synergy
Solve the Equation
25%inclusion2 decks8 decks
12%synergy
Bribery
25%inclusion2 decks8 decks
21%synergy
Preordain
25%inclusion2 decks8 decks
1%synergy
Aquitect's Will
25%inclusion2 decks8 decks
20%synergy
Chart a Course
13%inclusion1 decks8 decks
8%synergy
Walk the Aeons
13%inclusion1 decks8 decks
10%synergy
Stock Up
13%inclusion1 decks8 decks
9%synergy
Slip Through Space
13%inclusion1 decks8 decks
8%synergy
Foresee
13%inclusion1 decks8 decks
12%synergy
Treasure Cruise
13%inclusion1 decks8 decks
1%synergy
Temporal Mastery
13%inclusion1 decks8 decks
9%synergy
Merchant Scroll
13%inclusion1 decks8 decks
3%synergy
Capture of Jingzhou
13%inclusion1 decks8 decks
10%synergy
Winternight Stories
13%inclusion1 decks8 decks
11%synergy
Ancestral Reminiscence
13%inclusion1 decks8 decks
12%synergy
Gitaxian Probe
13%inclusion1 decks8 decks
1%synergy
Consuming Tide
13%inclusion1 decks8 decks
9%synergy
Lórien Revealed
13%inclusion1 decks8 decks
4%synergy
Pirate's Prize
13%inclusion1 decks8 decks
12%synergy
Inevitable Betrayal
13%inclusion1 decks8 decks
11%synergy
Step Through
13%inclusion1 decks8 decks
7%synergy
River's Rebuke
13%inclusion1 decks8 decks
9%synergy
Maddening Cacophony
13%inclusion1 decks8 decks
5%synergy
Acquire
13%inclusion1 decks8 decks
11%synergy
Tamiyo's Epiphany
13%inclusion1 decks8 decks
12%synergy
Lunar Insight
13%inclusion1 decks8 decks
11%synergy
Sift
13%inclusion1 decks8 decks
12%synergy
Baral's Expertise
13%inclusion1 decks8 decks
11%synergy
Concentrate
13%inclusion1 decks8 decks
12%synergy
Expropriate
13%inclusion1 decks8 decks
9%synergy
Spectral Deluge
13%inclusion1 decks8 decks
2%synergy
Compulsive Research
13%inclusion1 decks8 decks
11%synergy
Utility Artifacts
Herald's Horn
38%inclusion3 decks8 decks
36%synergy
Quicksilver Fountain
25%inclusion2 decks8 decks
23%synergy
Wayfarer's Bauble
25%inclusion2 decks8 decks
7%synergy
Swiftfoot Boots
25%inclusion2 decks8 decks
-3%synergy
Lightning Greaves
25%inclusion2 decks8 decks
-1%synergy
Insight Engine
17%inclusion1 decks6 decks
12%synergy
Coat of Arms
13%inclusion1 decks8 decks
11%synergy
Banner of Kinship
13%inclusion1 decks8 decks
10%synergy
Winged Boots
13%inclusion1 decks8 decks
9%synergy
Urza's Incubator
13%inclusion1 decks8 decks
11%synergy
Sword of Feast and Famine
13%inclusion1 decks8 decks
11%synergy
Sensei's Divining Top
13%inclusion1 decks8 decks
-3%synergy
Umezawa's Jitte
13%inclusion1 decks8 decks
12%synergy
The Key to the Vault
13%inclusion1 decks8 decks
11%synergy
Explorer's Scope
13%inclusion1 decks8 decks
11%synergy
Bident of Thassa
13%inclusion1 decks8 decks
1%synergy
Aether Vial
13%inclusion1 decks8 decks
12%synergy
Kefnet's Monument
13%inclusion1 decks8 decks
6%synergy
Brotherhood Regalia
13%inclusion1 decks8 decks
11%synergy
Enchantments
Deeproot Waters
38%inclusion3 decks8 decks
36%synergy
Merrow Commerce
38%inclusion3 decks8 decks
36%synergy
Kindred Discovery
38%inclusion3 decks8 decks
31%synergy
Propaganda
25%inclusion2 decks8 decks
-5%synergy
Back to Basics
25%inclusion2 decks8 decks
17%synergy
Intruder Alarm
25%inclusion2 decks8 decks
22%synergy
Reflections of Littjara
25%inclusion2 decks8 decks
22%synergy
Equilibrium
25%inclusion2 decks8 decks
25%synergy
Reconnaissance Mission
13%inclusion1 decks8 decks
6%synergy
Frozen Aether
13%inclusion1 decks8 decks
11%synergy
Psychic Corrosion
13%inclusion1 decks8 decks
5%synergy
Fishliver Oil
13%inclusion1 decks8 decks
12%synergy
Thought Lash
13%inclusion1 decks8 decks
12%synergy
Witness Protection
13%inclusion1 decks8 decks
7%synergy
Proft's Eidetic Memory
13%inclusion1 decks8 decks
5%synergy
Telepathy
13%inclusion1 decks8 decks
10%synergy
Military Intelligence
13%inclusion1 decks8 decks
11%synergy
Steal Enchantment
13%inclusion1 decks8 decks
11%synergy
Treachery
13%inclusion1 decks8 decks
11%synergy
Amphibian Downpour
13%inclusion1 decks8 decks
7%synergy
Spreading Seas
13%inclusion1 decks8 decks
11%synergy
Counterbalance
13%inclusion1 decks8 decks
9%synergy
Teferi's Ageless Insight
13%inclusion1 decks8 decks
-5%synergy
Planeswalkers
Teferi, Master of Time
25%inclusion2 decks8 decks
20%synergy
Narset, Parter of Veils
25%inclusion2 decks8 decks
14%synergy
Jace, Wielder of Mysteries
13%inclusion1 decks8 decks
-2%synergy
Teferi, Temporal Pilgrim
13%inclusion1 decks8 decks
7%synergy
Utility Lands
Mystic Sanctuary
88%inclusion7 decks8 decks
37%synergy
Nykthos, Shrine to Nyx
75%inclusion6 decks8 decks
59%synergy
Otawara, Soaring City
63%inclusion5 decks8 decks
37%synergy
Minamo, School at Water's Edge
50%inclusion4 decks8 decks
38%synergy
Mutavault
50%inclusion4 decks8 decks
49%synergy
Hall of Storm Giants
25%inclusion2 decks8 decks
23%synergy
Strip Mine
25%inclusion2 decks8 decks
22%synergy
Scavenger Grounds
25%inclusion2 decks8 decks
18%synergy
Castle Vantress
25%inclusion2 decks8 decks
6%synergy
Three Tree City
25%inclusion2 decks8 decks
21%synergy
Rivendell
25%inclusion2 decks8 decks
13%synergy
Riptide Laboratory
25%inclusion2 decks8 decks
15%synergy
Urza's Saga
13%inclusion1 decks8 decks
-4%synergy
War Room
13%inclusion1 decks8 decks
-4%synergy
Field of Ruin
13%inclusion1 decks8 decks
10%synergy
Wasteland
13%inclusion1 decks8 decks
11%synergy
Mistrise Village
13%inclusion1 decks8 decks
3%synergy
Tolaria West
13%inclusion1 decks8 decks
7%synergy
Mana Artifacts
Sol Ring
100%inclusion8 decks8 decks
15%synergy
Arcane Signet
63%inclusion5 decks8 decks
-3%synergy
Thought Vessel
50%inclusion4 decks8 decks
-2%synergy
Lotus Petal
50%inclusion4 decks8 decks
38%synergy
Mox Amber
38%inclusion3 decks8 decks
30%synergy
Patchwork Banner
25%inclusion2 decks8 decks
21%synergy
Fellwar Stone
25%inclusion2 decks8 decks
5%synergy
Mind Stone
25%inclusion2 decks8 decks
-11%synergy
Grim Monolith
13%inclusion1 decks8 decks
7%synergy
Throne of Eldraine
13%inclusion1 decks8 decks
3%synergy
Paradise Mantle
13%inclusion1 decks8 decks
10%synergy
Midnight Clock
13%inclusion1 decks8 decks
-8%synergy
Gauntlet of Power
13%inclusion1 decks8 decks
8%synergy
Mox Diamond
13%inclusion1 decks8 decks
7%synergy
Lands
Island
100%inclusion8 decks8 decks
7%synergy
Cavern of Souls
75%inclusion6 decks8 decks
70%synergy
Sink into Stupor
63%inclusion5 decks8 decks
41%synergy
Sea Gate Restoration
50%inclusion4 decks8 decks
35%synergy
Gemstone Caverns
50%inclusion4 decks8 decks
44%synergy
Glasspool Mimic
38%inclusion3 decks8 decks
31%synergy
Scalding Tarn
25%inclusion2 decks8 decks
17%synergy
Prismatic Vista
25%inclusion2 decks8 decks
20%synergy
Misty Rainforest
25%inclusion2 decks8 decks
17%synergy
Silundi Vision
25%inclusion2 decks8 decks
20%synergy
Flooded Strand
25%inclusion2 decks8 decks
17%synergy
Terramorphic Expanse
13%inclusion1 decks8 decks
9%synergy
Hydroelectric Specimen
13%inclusion1 decks8 decks
-1%synergy
Demolition Field
13%inclusion1 decks8 decks
7%synergy
Polluted Delta
13%inclusion1 decks8 decks
4%synergy
Fabled Passage
13%inclusion1 decks8 decks
10%synergy
Snow-Covered Island
13%inclusion1 decks8 decks
5%synergy
Plaza of Heroes
13%inclusion1 decks8 decks
12%synergy