Svyelun of Sea and Sky (Commander) - 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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White Lotus Tile
29%inclusion2 decks7 decks
28%synergy
Wan Shi Tong, Librarian
14%inclusion1 decks7 decks
6%synergy
High Synergy Cards
Master of the Pearl Trident
91%inclusion29 decks32 decks
89%synergy
Merfolk Sovereign
84%inclusion27 decks32 decks
83%synergy
Emperor Mihail II
81%inclusion26 decks32 decks
80%synergy
Lord of Atlantis
81%inclusion26 decks32 decks
80%synergy
Seafloor Oracle
78%inclusion25 decks32 decks
77%synergy
Kopala, Warden of Waves
78%inclusion25 decks32 decks
77%synergy
Vodalian Hexcatcher
78%inclusion25 decks32 decks
77%synergy
Merrow Reejerey
78%inclusion25 decks32 decks
77%synergy
Deeproot Waters
75%inclusion24 decks32 decks
74%synergy
Stonybrook Banneret
75%inclusion24 decks32 decks
71%synergy
Top Cards
Counterspell
72%inclusion23 decks32 decks
5%synergy
Sapphire Medallion
72%inclusion23 decks32 decks
14%synergy
Lullmage Mentor
69%inclusion22 decks32 decks
67%synergy
Merrow Commerce
66%inclusion21 decks32 decks
65%synergy
Harbinger of the Seas
65%inclusion20 decks31 decks
56%synergy
Bident of Thassa
59%inclusion19 decks32 decks
48%synergy
Kindred Discovery
59%inclusion19 decks32 decks
53%synergy
Deeproot Pilgrimage
59%inclusion19 decks32 decks
58%synergy
Thada Adel, Acquisitor
56%inclusion18 decks32 decks
54%synergy
Tide Shaper
56%inclusion18 decks32 decks
55%synergy
Game Changers
Cyclonic Rift
53%inclusion17 decks32 decks
19%synergy
Fierce Guardianship
41%inclusion13 decks32 decks
18%synergy
Rhystic Study
34%inclusion11 decks32 decks
1%synergy
Force of Will
34%inclusion11 decks32 decks
17%synergy
Mystical Tutor
25%inclusion8 decks32 decks
1%synergy
Thassa's Oracle
25%inclusion8 decks32 decks
12%synergy
Narset, Parter of Veils
6.3%inclusion2 decks32 decks
-5%synergy
Ancient Tomb
6.3%inclusion2 decks32 decks
-6%synergy
Consecrated Sphinx
6.3%inclusion2 decks32 decks
-6%synergy
Chrome Mox
6.3%inclusion2 decks32 decks
-3%synergy
Creatures
Thieving Skydiver
56%inclusion18 decks32 decks
52%synergy
Merrow Harbinger
53%inclusion17 decks32 decks
52%synergy
Coralhelm Commander
53%inclusion17 decks32 decks
52%synergy
Harbinger of the Tides
50%inclusion16 decks32 decks
49%synergy
Deepchannel Mentor
47%inclusion15 decks32 decks
46%synergy
Wanderwine Prophets
47%inclusion15 decks32 decks
46%synergy
Mist Dancer
47%inclusion15 decks32 decks
46%synergy
Merfolk Trickster
47%inclusion15 decks32 decks
45%synergy
Empress Galina
47%inclusion15 decks32 decks
46%synergy
Tishana's Tidebinder
44%inclusion14 decks32 decks
39%synergy
Seahunter
44%inclusion14 decks32 decks
43%synergy
Tempest Caller
44%inclusion14 decks32 decks
43%synergy
Silvergill Adept
41%inclusion13 decks32 decks
40%synergy
Master of Waves
38%inclusion12 decks32 decks
34%synergy
Streambed Aquitects
38%inclusion12 decks32 decks
37%synergy
River Sneak
38%inclusion12 decks32 decks
37%synergy
Mist-Cloaked Herald
38%inclusion12 decks32 decks
35%synergy
Triton Shorestalker
38%inclusion12 decks32 decks
35%synergy
Talrand, Sky Summoner
34%inclusion11 decks32 decks
21%synergy
Sea Scryer
34%inclusion11 decks32 decks
33%synergy
Summon: Leviathan
33%inclusion5 decks15 decks
32%synergy
True-Name Nemesis
28%inclusion9 decks32 decks
27%synergy
Thassa, God of the Sea
28%inclusion9 decks32 decks
24%synergy
Wake Thrasher
28%inclusion9 decks32 decks
28%synergy
Surgespanner
25%inclusion8 decks32 decks
24%synergy
Kiora, the Rising Tide
25%inclusion6 decks24 decks
22%synergy
Alandra, Sky Dreamer
25%inclusion8 decks32 decks
18%synergy
Cursecatcher
25%inclusion8 decks32 decks
23%synergy
Tidal Warrior
25%inclusion8 decks32 decks
24%synergy
Floodpits Drowner
24%inclusion6 decks25 decks
23%synergy
Stormtide Leviathan
22%inclusion7 decks32 decks
15%synergy
Roaming Throne
22%inclusion7 decks32 decks
18%synergy
Cosi's Trickster
22%inclusion7 decks32 decks
21%synergy
Slinn Voda, the Rising Deep
22%inclusion7 decks32 decks
21%synergy
Mistcaller
22%inclusion7 decks32 decks
21%synergy
Metallic Mimic
22%inclusion7 decks32 decks
21%synergy
Rishadan Dockhand
22%inclusion7 decks32 decks
21%synergy
Merfolk Looter
22%inclusion7 decks32 decks
20%synergy
Mindspring Merfolk
19%inclusion4 decks21 decks
18%synergy
Tideshaper Mystic
19%inclusion6 decks32 decks
18%synergy
Tidebinder Mage
16%inclusion5 decks32 decks
15%synergy
Sigil Tracer
16%inclusion5 decks32 decks
14%synergy
Wonder
13%inclusion4 decks32 decks
7%synergy
Scourge of Fleets
13%inclusion4 decks32 decks
0%synergy
Fallowsage
13%inclusion4 decks32 decks
12%synergy
Glasspool Mimic
13%inclusion4 decks32 decks
6%synergy
Gray Harbor Merfolk
13%inclusion4 decks32 decks
12%synergy
Library Larcenist
13%inclusion4 decks32 decks
12%synergy
Eluge, the Shoreless Sea
11%inclusion3 decks27 decks
3%synergy
Reef Shaman
9.4%inclusion3 decks32 decks
9%synergy
Instants
Rapid Hybridization
53%inclusion17 decks32 decks
19%synergy
Negate
53%inclusion17 decks32 decks
15%synergy
High Tide
50%inclusion16 decks32 decks
6%synergy
Aetherize
47%inclusion15 decks32 decks
18%synergy
Pongify
41%inclusion13 decks32 decks
0%synergy
Swan Song
38%inclusion12 decks32 decks
11%synergy
Mana Drain
34%inclusion11 decks32 decks
7%synergy
An Offer You Can't Refuse
34%inclusion11 decks32 decks
-3%synergy
Brainstorm
31%inclusion10 decks32 decks
-10%synergy
Resculpt
28%inclusion9 decks32 decks
10%synergy
Thassa's Rebuff
28%inclusion9 decks32 decks
27%synergy
Flare of Denial
26%inclusion8 decks31 decks
19%synergy
Reality Shift
25%inclusion8 decks32 decks
-3%synergy
Arcane Denial
22%inclusion7 decks32 decks
-14%synergy
Spell Pierce
22%inclusion7 decks32 decks
13%synergy
Sink into Stupor
19%inclusion6 decks31 decks
-2%synergy
Engulf the Shore
19%inclusion6 decks32 decks
10%synergy
Strix Serenade
16%inclusion5 decks31 decks
7%synergy
Muddle the Mixture
16%inclusion5 decks32 decks
0%synergy
Opt
16%inclusion5 decks32 decks
-10%synergy
Snap
16%inclusion5 decks32 decks
-3%synergy
Frantic Search
13%inclusion4 decks32 decks
-18%synergy
Disallow
13%inclusion4 decks32 decks
6%synergy
Filter Out
13%inclusion4 decks32 decks
9%synergy
Flow of Knowledge
13%inclusion4 decks32 decks
-4%synergy
Evacuation
13%inclusion4 decks32 decks
5%synergy
Force of Negation
13%inclusion4 decks32 decks
-3%synergy
Unwind
13%inclusion4 decks32 decks
3%synergy
Amazing Acrobatics
10%inclusion1 decks10 decks
8%synergy
Spider-Sense
10%inclusion1 decks10 decks
7%synergy
Blue Sun's Zenith
9.4%inclusion3 decks32 decks
-2%synergy
Repulse
9.4%inclusion3 decks32 decks
8%synergy
Cancel
9.4%inclusion3 decks32 decks
4%synergy
Foil
9.4%inclusion3 decks32 decks
4%synergy
Unsummon
9.4%inclusion3 decks32 decks
5%synergy
Archmage's Charm
9.4%inclusion3 decks32 decks
-7%synergy
Flusterstorm
9.4%inclusion3 decks32 decks
0%synergy
Saw It Coming
9.4%inclusion3 decks32 decks
6%synergy
Cryptic Command
9.4%inclusion3 decks32 decks
-2%synergy
Misdirection
9.4%inclusion3 decks32 decks
4%synergy
March of Swirling Mist
9.4%inclusion3 decks32 decks
1%synergy
Pact of Negation
9.4%inclusion3 decks32 decks
-1%synergy
Essence Scatter
9.4%inclusion3 decks32 decks
6%synergy
Mystic Reflection
9.4%inclusion3 decks32 decks
8%synergy
Jwari Disruption
9.4%inclusion3 decks32 decks
5%synergy
Unsubstantiate
9.4%inclusion3 decks32 decks
7%synergy
Narset's Reversal
9.4%inclusion3 decks32 decks
-3%synergy
Refute
8.3%inclusion2 decks24 decks
3%synergy
Louisoix's Sacrifice
6.7%inclusion1 decks15 decks
6%synergy
Chain of Vapor
6.3%inclusion2 decks32 decks
1%synergy
Sorceries
Distant Melody
44%inclusion14 decks32 decks
39%synergy
Aquitect's Will
38%inclusion12 decks32 decks
32%synergy
Raise the Palisade
31%inclusion10 decks32 decks
28%synergy
Crashing Tide
22%inclusion7 decks32 decks
22%synergy
Spectral Deluge
22%inclusion7 decks32 decks
11%synergy
Sea Gate Restoration
16%inclusion5 decks32 decks
1%synergy
Rite of Replication
16%inclusion5 decks32 decks
9%synergy
Ravenform
16%inclusion5 decks32 decks
6%synergy
Ponder
13%inclusion4 decks32 decks
-17%synergy
Windfall
13%inclusion4 decks32 decks
-10%synergy
Curse of the Swine
13%inclusion4 decks32 decks
1%synergy
Sleep
9.4%inclusion3 decks32 decks
8%synergy
Preordain
9.4%inclusion3 decks32 decks
-15%synergy
Step Through
9.4%inclusion3 decks32 decks
4%synergy
Solve the Equation
9.4%inclusion3 decks32 decks
-3%synergy
Maddening Cacophony
9.4%inclusion3 decks32 decks
2%synergy
Wash Out
6.3%inclusion2 decks32 decks
1%synergy
Temporal Manipulation
6.3%inclusion2 decks32 decks
2%synergy
Borrowing 100,000 Arrows
6.3%inclusion2 decks32 decks
5%synergy
River's Rebuke
6.3%inclusion2 decks32 decks
3%synergy
Time Warp
6.3%inclusion2 decks32 decks
0%synergy
Winternight Stories
5.3%inclusion1 decks19 decks
4%synergy
Utility Artifacts
Herald's Horn
31%inclusion10 decks32 decks
29%synergy
Vanquisher's Banner
28%inclusion9 decks32 decks
27%synergy
Kefnet's Monument
28%inclusion9 decks32 decks
22%synergy
Door of Destinies
25%inclusion8 decks32 decks
24%synergy
Lightning Greaves
25%inclusion8 decks32 decks
-1%synergy
Quicksilver Fountain
22%inclusion7 decks32 decks
20%synergy
Coat of Arms
16%inclusion5 decks32 decks
14%synergy
Urza's Incubator
16%inclusion5 decks32 decks
14%synergy
Swiftfoot Boots
16%inclusion5 decks32 decks
-13%synergy
Icon of Ancestry
13%inclusion4 decks32 decks
12%synergy
Wayfarer's Bauble
13%inclusion4 decks32 decks
-6%synergy
Banner of Kinship
13%inclusion3 decks24 decks
10%synergy
Sword of Feast and Famine
13%inclusion4 decks32 decks
11%synergy
Sword of the Animist
13%inclusion4 decks32 decks
7%synergy
Sensei's Divining Top
13%inclusion4 decks32 decks
-3%synergy
Insight Engine
7.7%inclusion1 decks13 decks
3%synergy
Cryogen Relic
7.7%inclusion1 decks13 decks
4%synergy
Stoneforge Masterwork
6.3%inclusion2 decks32 decks
6%synergy
Aether Vial
6.3%inclusion2 decks32 decks
6%synergy
Robe of the Archmagi
6.3%inclusion2 decks32 decks
5%synergy
Winged Boots
6.3%inclusion2 decks32 decks
3%synergy
Enchantments
Reflections of Littjara
53%inclusion17 decks32 decks
50%synergy
Mystic Remora
38%inclusion12 decks32 decks
10%synergy
Spreading Seas
31%inclusion10 decks32 decks
30%synergy
Reconnaissance Mission
22%inclusion7 decks32 decks
15%synergy
Aquatic Incursion
22%inclusion7 decks32 decks
22%synergy
Imprisoned in the Moon
19%inclusion6 decks32 decks
7%synergy
Coastal Piracy
16%inclusion5 decks32 decks
11%synergy
Sea's Claim
16%inclusion5 decks32 decks
15%synergy
Wizard Class
13%inclusion4 decks32 decks
-4%synergy
Military Intelligence
13%inclusion4 decks32 decks
11%synergy
Propaganda
13%inclusion4 decks32 decks
-18%synergy
Teferi's Ageless Insight
13%inclusion4 decks32 decks
-5%synergy
Eaten by Piranhas
13%inclusion4 decks32 decks
9%synergy
Intruder Alarm
9.4%inclusion3 decks32 decks
6%synergy
Aqueous Form
9.4%inclusion3 decks32 decks
4%synergy
Fishliver Oil
9.4%inclusion3 decks32 decks
9%synergy
Leyline of Anticipation
9.4%inclusion3 decks32 decks
0%synergy
Witness Protection
9.4%inclusion3 decks32 decks
4%synergy
Combat Research
9.4%inclusion3 decks32 decks
7%synergy
Amphibian Downpour
6.7%inclusion2 decks30 decks
1%synergy
Psychic Corrosion
6.3%inclusion2 decks32 decks
-2%synergy
Equilibrium
6.3%inclusion2 decks32 decks
6%synergy
Lingering Mirage
6.3%inclusion2 decks32 decks
6%synergy
Planeswalkers
Teferi, Master of Time
6.3%inclusion2 decks32 decks
1%synergy
Utility Lands
Mystic Sanctuary
59%inclusion19 decks32 decks
9%synergy
Nykthos, Shrine to Nyx
38%inclusion12 decks32 decks
21%synergy
Reliquary Tower
38%inclusion12 decks32 decks
-19%synergy
Castle Vantress
38%inclusion12 decks32 decks
19%synergy
Three Tree City
33%inclusion9 decks27 decks
30%synergy
Otawara, Soaring City
28%inclusion9 decks32 decks
3%synergy
Rivendell
25%inclusion8 decks32 decks
14%synergy
Minamo, School at Water's Edge
22%inclusion7 decks32 decks
10%synergy
Lonely Sandbar
22%inclusion7 decks32 decks
8%synergy
Halimar Depths
22%inclusion7 decks32 decks
12%synergy
War Room
19%inclusion6 decks32 decks
3%synergy
Rogue's Passage
19%inclusion6 decks32 decks
4%synergy
Mistrise Village
16%inclusion3 decks19 decks
6%synergy
Riptide Laboratory
16%inclusion5 decks32 decks
5%synergy
Academy Ruins
13%inclusion4 decks32 decks
-6%synergy
Scavenger Grounds
13%inclusion4 decks32 decks
5%synergy
Svyelunite Temple
9.4%inclusion3 decks32 decks
9%synergy
Mutavault
9.4%inclusion3 decks32 decks
8%synergy
Temple of the False God
9.4%inclusion3 decks32 decks
-1%synergy
Archway of Innovation
6.7%inclusion2 decks30 decks
-4%synergy
Access Tunnel
6.3%inclusion2 decks32 decks
5%synergy
Mana Artifacts
Sol Ring
81%inclusion26 decks32 decks
-4%synergy
Arcane Signet
69%inclusion22 decks32 decks
4%synergy
Thought Vessel
41%inclusion13 decks32 decks
-11%synergy
Heraldic Banner
28%inclusion9 decks32 decks
22%synergy
Patchwork Banner
26%inclusion7 decks27 decks
22%synergy
Sky Diamond
25%inclusion8 decks32 decks
2%synergy
Mind Stone
22%inclusion7 decks32 decks
-14%synergy
Nyx Lotus
19%inclusion6 decks32 decks
15%synergy
Mox Amber
16%inclusion5 decks32 decks
8%synergy
Fellwar Stone
13%inclusion4 decks32 decks
-7%synergy
Gauntlet of Power
9.4%inclusion3 decks32 decks
5%synergy
Throne of Eldraine
9.4%inclusion3 decks32 decks
0%synergy
Decanter of Endless Water
9.4%inclusion3 decks32 decks
-5%synergy
Gilded Lotus
6.3%inclusion2 decks32 decks
-5%synergy
Springleaf Drum
6.3%inclusion2 decks32 decks
3%synergy
Prismatic Lens
6.3%inclusion2 decks32 decks
3%synergy
Misleading Signpost
6.3%inclusion2 decks32 decks
2%synergy
Commander's Sphere
6.3%inclusion2 decks32 decks
-3%synergy
Lands
Island
97%inclusion31 decks32 decks
3%synergy
Cavern of Souls
34%inclusion11 decks32 decks
30%synergy
Path of Ancestry
34%inclusion11 decks32 decks
30%synergy
Myriad Landscape
25%inclusion8 decks32 decks
-1%synergy
Sink into Stupor
19%inclusion6 decks31 decks
-2%synergy
Sea Gate Restoration
16%inclusion5 decks32 decks
1%synergy
Glasspool Mimic
13%inclusion4 decks32 decks
6%synergy
Command Tower
9.4%inclusion3 decks32 decks
5%synergy
Jwari Disruption
9.4%inclusion3 decks32 decks
5%synergy
Terramorphic Expanse
6.3%inclusion2 decks32 decks
3%synergy
Snow-Covered Island
6.3%inclusion2 decks32 decks
-2%synergy
Demolition Field
6.3%inclusion2 decks32 decks
1%synergy
Gemstone Caverns
6.3%inclusion2 decks32 decks
0%synergy
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