Svyelun of Sea and Sky (Commander) - Optimized Midrange

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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Wan Shi Tong, Librarian
33%inclusion1 decks3 decks
25%synergy
White Lotus Tile
33%inclusion1 decks3 decks
32%synergy
Game Changers
Rhystic Study
100%inclusion3 decks3 decks
67%synergy
Thassa's Oracle
67%inclusion2 decks3 decks
54%synergy
The One Ring
67%inclusion2 decks3 decks
54%synergy
Cyclonic Rift
67%inclusion2 decks3 decks
32%synergy
Mystical Tutor
67%inclusion2 decks3 decks
43%synergy
Force of Will
67%inclusion2 decks3 decks
49%synergy
Fierce Guardianship
67%inclusion2 decks3 decks
44%synergy
Ancient Tomb
33%inclusion1 decks3 decks
21%synergy
Consecrated Sphinx
33%inclusion1 decks3 decks
21%synergy
Chrome Mox
33%inclusion1 decks3 decks
24%synergy
Creatures
Lord of Atlantis
100%inclusion3 decks3 decks
99%synergy
Harbinger of the Seas
100%inclusion3 decks3 decks
91%synergy
Kopala, Warden of Waves
67%inclusion2 decks3 decks
65%synergy
Stonybrook Banneret
67%inclusion2 decks3 decks
63%synergy
Merfolk Sovereign
67%inclusion2 decks3 decks
65%synergy
Tishana's Tidebinder
67%inclusion2 decks3 decks
62%synergy
Seahunter
67%inclusion2 decks3 decks
66%synergy
Merrow Reejerey
67%inclusion2 decks3 decks
65%synergy
Emperor Mihail II
67%inclusion2 decks3 decks
66%synergy
Roaming Throne
67%inclusion2 decks3 decks
62%synergy
Triton Shorestalker
67%inclusion2 decks3 decks
64%synergy
Vodalian Hexcatcher
67%inclusion2 decks3 decks
65%synergy
Alandra, Sky Dreamer
67%inclusion2 decks3 decks
60%synergy
Thada Adel, Acquisitor
67%inclusion2 decks3 decks
65%synergy
Empress Galina
67%inclusion2 decks3 decks
66%synergy
Wanderwine Prophets
67%inclusion2 decks3 decks
66%synergy
Master of the Pearl Trident
67%inclusion2 decks3 decks
65%synergy
Silvergill Adept
67%inclusion2 decks3 decks
66%synergy
Tide Shaper
67%inclusion2 decks3 decks
66%synergy
Seafloor Oracle
67%inclusion2 decks3 decks
65%synergy
Merrow Harbinger
33%inclusion1 decks3 decks
32%synergy
Master of Waves
33%inclusion1 decks3 decks
30%synergy
Azami, Lady of Scrolls
33%inclusion1 decks3 decks
30%synergy
Coralhelm Commander
33%inclusion1 decks3 decks
33%synergy
Metallic Mimic
33%inclusion1 decks3 decks
32%synergy
Merfolk of the Pearl Trident
33%inclusion1 decks3 decks
33%synergy
Bruvac the Grandiloquent
33%inclusion1 decks3 decks
30%synergy
Archmage of Runes
33%inclusion1 decks3 decks
22%synergy
Psychosis Crawler
33%inclusion1 decks3 decks
19%synergy
Ambassador Laquatus
33%inclusion1 decks3 decks
33%synergy
The Mindskinner
33%inclusion1 decks3 decks
31%synergy
Toothy, Imaginary Friend
33%inclusion1 decks3 decks
30%synergy
Reef Shaman
33%inclusion1 decks3 decks
33%synergy
Deepchannel Mentor
33%inclusion1 decks3 decks
32%synergy
Adaptive Automaton
33%inclusion1 decks3 decks
32%synergy
Cursecatcher
33%inclusion1 decks3 decks
32%synergy
Drowner of Secrets
33%inclusion1 decks3 decks
33%synergy
Laboratory Maniac
33%inclusion1 decks3 decks
15%synergy
Streambed Aquitects
33%inclusion1 decks3 decks
33%synergy
Mist Dancer
33%inclusion1 decks3 decks
32%synergy
Thassa, God of the Sea
33%inclusion1 decks3 decks
30%synergy
Twenty-Toed Toad
33%inclusion1 decks3 decks
27%synergy
Mist-Cloaked Herald
33%inclusion1 decks3 decks
31%synergy
Lullmage Mentor
33%inclusion1 decks3 decks
32%synergy
Library Larcenist
33%inclusion1 decks3 decks
33%synergy
Merfolk Assassin
33%inclusion1 decks3 decks
33%synergy
Body of Knowledge
33%inclusion1 decks3 decks
27%synergy
Mistcaller
33%inclusion1 decks3 decks
32%synergy
Archmage Emeritus
33%inclusion1 decks3 decks
13%synergy
Ancient Silver Dragon
33%inclusion1 decks3 decks
30%synergy
Instants
Counterspell
100%inclusion3 decks3 decks
34%synergy
Force of Negation
100%inclusion3 decks3 decks
85%synergy
Mana Drain
67%inclusion2 decks3 decks
40%synergy
Swan Song
67%inclusion2 decks3 decks
40%synergy
Snap
67%inclusion2 decks3 decks
48%synergy
High Tide
67%inclusion2 decks3 decks
22%synergy
Pongify
33%inclusion1 decks3 decks
-7%synergy
Transcendent Message
33%inclusion1 decks3 decks
31%synergy
Frantic Search
33%inclusion1 decks3 decks
3%synergy
An Offer You Can't Refuse
33%inclusion1 decks3 decks
-4%synergy
Negate
33%inclusion1 decks3 decks
-5%synergy
Brainstorm
33%inclusion1 decks3 decks
-8%synergy
Stubborn Denial
33%inclusion1 decks3 decks
31%synergy
Strix Serenade
33%inclusion1 decks3 decks
24%synergy
Archmage's Charm
33%inclusion1 decks3 decks
17%synergy
Flare of Denial
33%inclusion1 decks3 decks
27%synergy
Mindbreak Trap
33%inclusion1 decks3 decks
28%synergy
Arcane Denial
33%inclusion1 decks3 decks
-3%synergy
Sink into Stupor
33%inclusion1 decks3 decks
12%synergy
Focus the Mind
33%inclusion1 decks3 decks
33%synergy
Nexus of Fate
33%inclusion1 decks3 decks
28%synergy
Reality Shift
33%inclusion1 decks3 decks
6%synergy
Opt
33%inclusion1 decks3 decks
8%synergy
Pact of Negation
33%inclusion1 decks3 decks
23%synergy
Rain of Revelation
33%inclusion1 decks3 decks
33%synergy
Resculpt
33%inclusion1 decks3 decks
15%synergy
Flusterstorm
33%inclusion1 decks3 decks
24%synergy
Thassa's Rebuff
33%inclusion1 decks3 decks
32%synergy
Unsubstantiate
33%inclusion1 decks3 decks
31%synergy
Misdirection
33%inclusion1 decks3 decks
28%synergy
Sorceries
Aquitect's Will
67%inclusion2 decks3 decks
61%synergy
Ponder
33%inclusion1 decks3 decks
4%synergy
Windfall
33%inclusion1 decks3 decks
11%synergy
Echo of Eons
33%inclusion1 decks3 decks
31%synergy
Sea Gate Restoration
33%inclusion1 decks3 decks
19%synergy
Bribery
33%inclusion1 decks3 decks
29%synergy
Foresee
33%inclusion1 decks3 decks
33%synergy
Tamiyo's Epiphany
33%inclusion1 decks3 decks
33%synergy
Concentrate
33%inclusion1 decks3 decks
33%synergy
Temporal Manipulation
33%inclusion1 decks3 decks
29%synergy
Sift
33%inclusion1 decks3 decks
33%synergy
Raise the Palisade
33%inclusion1 decks3 decks
30%synergy
Merchant Scroll
33%inclusion1 decks3 decks
24%synergy
Baral's Expertise
33%inclusion1 decks3 decks
32%synergy
Preordain
33%inclusion1 decks3 decks
9%synergy
Spectral Deluge
33%inclusion1 decks3 decks
22%synergy
River's Rebuke
33%inclusion1 decks3 decks
30%synergy
Time Spiral
33%inclusion1 decks3 decks
32%synergy
Winternight Stories
33%inclusion1 decks3 decks
32%synergy
Ancestral Reminiscence
33%inclusion1 decks3 decks
33%synergy
Maddening Cacophony
33%inclusion1 decks3 decks
26%synergy
Compulsive Research
33%inclusion1 decks3 decks
32%synergy
Utility Artifacts
Sapphire Medallion
100%inclusion3 decks3 decks
42%synergy
Quicksilver Fountain
33%inclusion1 decks3 decks
32%synergy
Door of Destinies
33%inclusion1 decks3 decks
33%synergy
Throne of the God-Pharaoh
33%inclusion1 decks3 decks
33%synergy
The Key to the Vault
33%inclusion1 decks3 decks
32%synergy
Herald's Horn
33%inclusion1 decks3 decks
31%synergy
Brotherhood Regalia
33%inclusion1 decks3 decks
32%synergy
Bident of Thassa
33%inclusion1 decks3 decks
22%synergy
Insight Engine
33%inclusion1 decks3 decks
29%synergy
Enchantments
Kindred Discovery
67%inclusion2 decks3 decks
60%synergy
Deeproot Pilgrimage
67%inclusion2 decks3 decks
65%synergy
Intruder Alarm
67%inclusion2 decks3 decks
64%synergy
Mystic Remora
67%inclusion2 decks3 decks
39%synergy
Deeproot Waters
67%inclusion2 decks3 decks
65%synergy
Merrow Commerce
67%inclusion2 decks3 decks
66%synergy
Counterbalance
33%inclusion1 decks3 decks
30%synergy
Teferi's Ageless Insight
33%inclusion1 decks3 decks
16%synergy
Psychic Corrosion
33%inclusion1 decks3 decks
26%synergy
Fishliver Oil
33%inclusion1 decks3 decks
33%synergy
Spreading Seas
33%inclusion1 decks3 decks
32%synergy
Proft's Eidetic Memory
33%inclusion1 decks3 decks
25%synergy
Equilibrium
33%inclusion1 decks3 decks
33%synergy
Planeswalkers
Teferi, Temporal Pilgrim
33%inclusion1 decks3 decks
28%synergy
Teferi, Master of Time
33%inclusion1 decks3 decks
28%synergy
Tamiyo, the Moon Sage
33%inclusion1 decks3 decks
32%synergy
Utility Lands
Mystic Sanctuary
67%inclusion2 decks3 decks
16%synergy
Rivendell
67%inclusion2 decks3 decks
55%synergy
Three Tree City
67%inclusion2 decks3 decks
63%synergy
Nykthos, Shrine to Nyx
67%inclusion2 decks3 decks
50%synergy
Otawara, Soaring City
67%inclusion2 decks3 decks
41%synergy
Minamo, School at Water's Edge
33%inclusion1 decks3 decks
21%synergy
Mistrise Village
33%inclusion1 decks3 decks
24%synergy
Mutavault
33%inclusion1 decks3 decks
32%synergy
Castle Vantress
33%inclusion1 decks3 decks
15%synergy
Saprazzan Skerry
33%inclusion1 decks3 decks
30%synergy
Mana Artifacts
Sol Ring
100%inclusion3 decks3 decks
15%synergy
Fellwar Stone
67%inclusion2 decks3 decks
47%synergy
Arcane Signet
33%inclusion1 decks3 decks
-32%synergy
Lotus Petal
33%inclusion1 decks3 decks
21%synergy
Nyx Lotus
33%inclusion1 decks3 decks
29%synergy
Mox Amber
33%inclusion1 decks3 decks
26%synergy
Thought Vessel
33%inclusion1 decks3 decks
-18%synergy
Mind Stone
33%inclusion1 decks3 decks
-3%synergy
Lands
Island
100%inclusion3 decks3 decks
7%synergy
Cavern of Souls
67%inclusion2 decks3 decks
62%synergy
Fabled Passage
33%inclusion1 decks3 decks
30%synergy
Terramorphic Expanse
33%inclusion1 decks3 decks
30%synergy
Sea Gate Restoration
33%inclusion1 decks3 decks
19%synergy
Snow-Covered Island
33%inclusion1 decks3 decks
25%synergy
Sink into Stupor
33%inclusion1 decks3 decks
12%synergy
Plaza of Heroes
33%inclusion1 decks3 decks
33%synergy
Path of Ancestry
33%inclusion1 decks3 decks
29%synergy
Gemstone Caverns
33%inclusion1 decks3 decks
27%synergy
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