Svyelun of Sea and Sky (Commander) - Expensive Control

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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Chronicle of Victory
50%inclusion1 decks2 decks
49%synergy
Harmonized Crescendo
50%inclusion1 decks2 decks
47%synergy
Game Changers
Force of Will
100%inclusion3 decks3 decks
83%synergy
Cyclonic Rift
100%inclusion3 decks3 decks
66%synergy
Ancient Tomb
67%inclusion2 decks3 decks
55%synergy
Rhystic Study
67%inclusion2 decks3 decks
34%synergy
Fierce Guardianship
67%inclusion2 decks3 decks
44%synergy
Mystical Tutor
67%inclusion2 decks3 decks
43%synergy
Thassa's Oracle
33%inclusion1 decks3 decks
20%synergy
Consecrated Sphinx
33%inclusion1 decks3 decks
21%synergy
The One Ring
33%inclusion1 decks3 decks
21%synergy
Narset, Parter of Veils
33%inclusion1 decks3 decks
22%synergy
Creatures
Alandra, Sky Dreamer
100%inclusion3 decks3 decks
93%synergy
Lord of Atlantis
100%inclusion3 decks3 decks
99%synergy
Kopala, Warden of Waves
67%inclusion2 decks3 decks
65%synergy
Merfolk Sovereign
67%inclusion2 decks3 decks
65%synergy
Vodalian Hexcatcher
67%inclusion2 decks3 decks
65%synergy
Deepchannel Mentor
67%inclusion2 decks3 decks
65%synergy
Emperor Mihail II
67%inclusion2 decks3 decks
66%synergy
Lullmage Mentor
67%inclusion2 decks3 decks
65%synergy
Harbinger of the Seas
67%inclusion2 decks3 decks
58%synergy
Master of the Pearl Trident
67%inclusion2 decks3 decks
65%synergy
Thada Adel, Acquisitor
67%inclusion2 decks3 decks
65%synergy
Tempest Caller
67%inclusion2 decks3 decks
66%synergy
Talrand, Sky Summoner
67%inclusion2 decks3 decks
53%synergy
Empress Galina
67%inclusion2 decks3 decks
66%synergy
Thieving Skydiver
67%inclusion2 decks3 decks
63%synergy
Seafloor Oracle
67%inclusion2 decks3 decks
65%synergy
Archmage of Runes
50%inclusion1 decks2 decks
38%synergy
The Mindskinner
50%inclusion1 decks2 decks
47%synergy
Kiora, the Rising Tide
50%inclusion1 decks2 decks
47%synergy
Twenty-Toed Toad
50%inclusion1 decks2 decks
44%synergy
Summon: Leviathan
50%inclusion1 decks2 decks
48%synergy
Starwinder
50%inclusion1 decks2 decks
47%synergy
Lyla, Holographic Assistant
50%inclusion1 decks2 decks
47%synergy
Wan Shi Tong, Librarian
50%inclusion1 decks2 decks
42%synergy
Merrow Harbinger
33%inclusion1 decks3 decks
32%synergy
Master of Waves
33%inclusion1 decks3 decks
30%synergy
Coralhelm Commander
33%inclusion1 decks3 decks
33%synergy
Stonybrook Banneret
33%inclusion1 decks3 decks
30%synergy
True-Name Nemesis
33%inclusion1 decks3 decks
33%synergy
Bruvac the Grandiloquent
33%inclusion1 decks3 decks
29%synergy
Psychosis Crawler
33%inclusion1 decks3 decks
19%synergy
Tishana's Tidebinder
33%inclusion1 decks3 decks
29%synergy
Cosi's Trickster
33%inclusion1 decks3 decks
33%synergy
Surgespanner
33%inclusion1 decks3 decks
33%synergy
Toothy, Imaginary Friend
33%inclusion1 decks3 decks
30%synergy
Sigil Tracer
33%inclusion1 decks3 decks
32%synergy
Seahunter
33%inclusion1 decks3 decks
33%synergy
River Sneak
33%inclusion1 decks3 decks
33%synergy
Thassa, God of the Sea
33%inclusion1 decks3 decks
30%synergy
Merrow Reejerey
33%inclusion1 decks3 decks
32%synergy
Triton Shorestalker
33%inclusion1 decks3 decks
31%synergy
Mist-Cloaked Herald
33%inclusion1 decks3 decks
31%synergy
Slinn Voda, the Rising Deep
33%inclusion1 decks3 decks
32%synergy
Waterspout Weavers
33%inclusion1 decks3 decks
33%synergy
Body of Knowledge
33%inclusion1 decks3 decks
27%synergy
Archmage Emeritus
33%inclusion1 decks3 decks
13%synergy
Spark Double
33%inclusion1 decks3 decks
20%synergy
Sakashima of a Thousand Faces
33%inclusion1 decks3 decks
27%synergy
Ancient Silver Dragon
33%inclusion1 decks3 decks
30%synergy
Wanderwine Prophets
33%inclusion1 decks3 decks
33%synergy
Instants
Mana Drain
100%inclusion3 decks3 decks
73%synergy
Swan Song
100%inclusion3 decks3 decks
74%synergy
Counterspell
100%inclusion3 decks3 decks
34%synergy
An Offer You Can't Refuse
67%inclusion2 decks3 decks
30%synergy
Aetherize
67%inclusion2 decks3 decks
37%synergy
Flusterstorm
67%inclusion2 decks3 decks
57%synergy
Force of Negation
67%inclusion2 decks3 decks
51%synergy
Focus the Mind
50%inclusion1 decks2 decks
49%synergy
Rapid Hybridization
33%inclusion1 decks3 decks
-1%synergy
Frantic Search
33%inclusion1 decks3 decks
3%synergy
Mental Misstep
33%inclusion1 decks3 decks
26%synergy
Dissolve
33%inclusion1 decks3 decks
30%synergy
Negate
33%inclusion1 decks3 decks
-5%synergy
Brainstorm
33%inclusion1 decks3 decks
-8%synergy
Stubborn Denial
33%inclusion1 decks3 decks
31%synergy
Flare of Denial
33%inclusion1 decks3 decks
27%synergy
Mindbreak Trap
33%inclusion1 decks3 decks
28%synergy
Opt
33%inclusion1 decks3 decks
8%synergy
Strix Serenade
33%inclusion1 decks3 decks
24%synergy
Rain of Revelation
33%inclusion1 decks3 decks
33%synergy
Arcane Denial
33%inclusion1 decks3 decks
-3%synergy
Snap
33%inclusion1 decks3 decks
15%synergy
Stifle
33%inclusion1 decks3 decks
31%synergy
Thassa's Rebuff
33%inclusion1 decks3 decks
32%synergy
Sink into Stupor
33%inclusion1 decks3 decks
12%synergy
Unsubstantiate
33%inclusion1 decks3 decks
31%synergy
Hinder
33%inclusion1 decks3 decks
32%synergy
Spell Pierce
33%inclusion1 decks3 decks
25%synergy
High Tide
33%inclusion1 decks3 decks
-11%synergy
Pact of Negation
33%inclusion1 decks3 decks
23%synergy
Sorceries
Sea Gate Restoration
67%inclusion2 decks3 decks
52%synergy
Winternight Stories
50%inclusion1 decks2 decks
49%synergy
Windfall
33%inclusion1 decks3 decks
11%synergy
Tunnel Vision
33%inclusion1 decks3 decks
33%synergy
Fabricate
33%inclusion1 decks3 decks
12%synergy
Foresee
33%inclusion1 decks3 decks
33%synergy
Tamiyo's Epiphany
33%inclusion1 decks3 decks
33%synergy
Sift
33%inclusion1 decks3 decks
33%synergy
Personal Tutor
33%inclusion1 decks3 decks
29%synergy
Baral's Expertise
33%inclusion1 decks3 decks
32%synergy
Concentrate
33%inclusion1 decks3 decks
33%synergy
Retraced Image
33%inclusion1 decks3 decks
31%synergy
Preordain
33%inclusion1 decks3 decks
9%synergy
River's Rebuke
33%inclusion1 decks3 decks
30%synergy
Aquitect's Will
33%inclusion1 decks3 decks
28%synergy
Open into Wonder
33%inclusion1 decks3 decks
33%synergy
Ancestral Reminiscence
33%inclusion1 decks3 decks
33%synergy
Maddening Cacophony
33%inclusion1 decks3 decks
26%synergy
Raise the Palisade
33%inclusion1 decks3 decks
30%synergy
Compulsive Research
33%inclusion1 decks3 decks
32%synergy
Rite of Replication
33%inclusion1 decks3 decks
27%synergy
Utility Artifacts
Sapphire Medallion
100%inclusion3 decks3 decks
42%synergy
Sword of Feast and Famine
67%inclusion2 decks3 decks
65%synergy
Buster Sword
50%inclusion1 decks2 decks
49%synergy
Insight Engine
50%inclusion1 decks2 decks
45%synergy
Quicksilver Fountain
33%inclusion1 decks3 decks
32%synergy
Sword of Fire and Ice
33%inclusion1 decks3 decks
33%synergy
Coat of Arms
33%inclusion1 decks3 decks
32%synergy
Urza's Incubator
33%inclusion1 decks3 decks
32%synergy
Lightning Greaves
33%inclusion1 decks3 decks
7%synergy
Commander's Plate
33%inclusion1 decks3 decks
29%synergy
Bident of Thassa
33%inclusion1 decks3 decks
21%synergy
Sword of Body and Mind
33%inclusion1 decks3 decks
33%synergy
Aether Vial
33%inclusion1 decks3 decks
33%synergy
Enchantments
Merrow Commerce
67%inclusion2 decks3 decks
66%synergy
Kindred Discovery
33%inclusion1 decks3 decks
27%synergy
Back to Basics
33%inclusion1 decks3 decks
26%synergy
Deeproot Pilgrimage
33%inclusion1 decks3 decks
32%synergy
Teferi's Ageless Insight
33%inclusion1 decks3 decks
16%synergy
Psychic Corrosion
33%inclusion1 decks3 decks
26%synergy
Copy Artifact
33%inclusion1 decks3 decks
30%synergy
Mystic Remora
33%inclusion1 decks3 decks
6%synergy
Deeproot Waters
33%inclusion1 decks3 decks
32%synergy
Spreading Seas
33%inclusion1 decks3 decks
32%synergy
Proft's Eidetic Memory
33%inclusion1 decks3 decks
25%synergy
Reflections of Littjara
33%inclusion1 decks3 decks
30%synergy
Aquatic Incursion
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
Utility Lands
Minamo, School at Water's Edge
100%inclusion3 decks3 decks
88%synergy
Mystic Sanctuary
67%inclusion2 decks3 decks
16%synergy
Nykthos, Shrine to Nyx
67%inclusion2 decks3 decks
50%synergy
Academy Ruins
67%inclusion2 decks3 decks
48%synergy
Three Tree City
50%inclusion1 decks2 decks
46%synergy
Castle Vantress
33%inclusion1 decks3 decks
15%synergy
Otawara, Soaring City
33%inclusion1 decks3 decks
8%synergy
Mana Artifacts
Arcane Signet
100%inclusion3 decks3 decks
35%synergy
Sol Ring
100%inclusion3 decks3 decks
15%synergy
Mox Amber
67%inclusion2 decks3 decks
59%synergy
Commander's Sphere
33%inclusion1 decks3 decks
24%synergy
Mana Crypt
33%inclusion1 decks3 decks
31%synergy
Lotus Petal
33%inclusion1 decks3 decks
21%synergy
Fellwar Stone
33%inclusion1 decks3 decks
14%synergy
Thought Vessel
33%inclusion1 decks3 decks
-18%synergy
Mind Stone
33%inclusion1 decks3 decks
-3%synergy
Nyx Lotus
33%inclusion1 decks3 decks
29%synergy
Chrome Mox
33%inclusion1 decks3 decks
24%synergy
Lands
Cavern of Souls
100%inclusion3 decks3 decks
95%synergy
Island
100%inclusion3 decks3 decks
6%synergy
Sea Gate Restoration
67%inclusion2 decks3 decks
52%synergy
Gemstone Caverns
67%inclusion2 decks3 decks
61%synergy
Command Tower
33%inclusion1 decks3 decks
29%synergy
Plaza of Heroes
33%inclusion1 decks3 decks
33%synergy
Path of Ancestry
33%inclusion1 decks3 decks
29%synergy
Sink into Stupor
33%inclusion1 decks3 decks
12%synergy
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