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
33%inclusion2 decks6 decks
32%synergy
High Synergy Cards
Master of the Pearl Trident
94%inclusion30 decks32 decks
92%synergy
Merfolk Sovereign
88%inclusion28 decks32 decks
86%synergy
Emperor Mihail II
84%inclusion27 decks32 decks
83%synergy
Seafloor Oracle
81%inclusion26 decks32 decks
80%synergy
Lord of Atlantis
81%inclusion26 decks32 decks
80%synergy
Kopala, Warden of Waves
81%inclusion26 decks32 decks
80%synergy
Vodalian Hexcatcher
81%inclusion26 decks32 decks
80%synergy
Merrow Reejerey
81%inclusion26 decks32 decks
80%synergy
Deeproot Waters
78%inclusion25 decks32 decks
77%synergy
Stonybrook Banneret
78%inclusion25 decks32 decks
75%synergy
Top Cards
Lullmage Mentor
72%inclusion23 decks32 decks
70%synergy
Counterspell
72%inclusion23 decks32 decks
5%synergy
Merrow Commerce
69%inclusion22 decks32 decks
68%synergy
Sapphire Medallion
69%inclusion22 decks32 decks
11%synergy
Harbinger of the Seas
65%inclusion20 decks31 decks
56%synergy
Kindred Discovery
63%inclusion20 decks32 decks
56%synergy
Deeproot Pilgrimage
63%inclusion20 decks32 decks
61%synergy
Thada Adel, Acquisitor
59%inclusion19 decks32 decks
58%synergy
Bident of Thassa
59%inclusion19 decks32 decks
48%synergy
Thieving Skydiver
59%inclusion19 decks32 decks
55%synergy
Game Changers
Cyclonic Rift
50%inclusion16 decks32 decks
16%synergy
Fierce Guardianship
38%inclusion12 decks32 decks
14%synergy
Rhystic Study
31%inclusion10 decks32 decks
-2%synergy
Force of Will
31%inclusion10 decks32 decks
14%synergy
Mystical Tutor
25%inclusion8 decks32 decks
1%synergy
Thassa's Oracle
22%inclusion7 decks32 decks
9%synergy
Narset, Parter of Veils
6.3%inclusion2 decks32 decks
-5%synergy
Creatures
Merrow Harbinger
56%inclusion18 decks32 decks
55%synergy
Coralhelm Commander
56%inclusion18 decks32 decks
55%synergy
Tide Shaper
56%inclusion18 decks32 decks
55%synergy
Harbinger of the Tides
53%inclusion17 decks32 decks
52%synergy
Deepchannel Mentor
50%inclusion16 decks32 decks
49%synergy
Wanderwine Prophets
50%inclusion16 decks32 decks
49%synergy
Tishana's Tidebinder
47%inclusion15 decks32 decks
42%synergy
Seahunter
47%inclusion15 decks32 decks
46%synergy
Tempest Caller
47%inclusion15 decks32 decks
46%synergy
Mist Dancer
47%inclusion15 decks32 decks
46%synergy
Empress Galina
47%inclusion15 decks32 decks
46%synergy
Merfolk Trickster
47%inclusion15 decks32 decks
45%synergy
Streambed Aquitects
41%inclusion13 decks32 decks
40%synergy
Silvergill Adept
41%inclusion13 decks32 decks
40%synergy
Master of Waves
38%inclusion12 decks32 decks
34%synergy
River Sneak
38%inclusion12 decks32 decks
37%synergy
Sea Scryer
38%inclusion12 decks32 decks
36%synergy
Triton Shorestalker
34%inclusion11 decks32 decks
32%synergy
Mist-Cloaked Herald
34%inclusion11 decks32 decks
32%synergy
Summon: Leviathan
33%inclusion5 decks15 decks
32%synergy
Thassa, God of the Sea
31%inclusion10 decks32 decks
27%synergy
Talrand, Sky Summoner
31%inclusion10 decks32 decks
17%synergy
Wake Thrasher
31%inclusion10 decks32 decks
31%synergy
Kiora, the Rising Tide
29%inclusion7 decks24 decks
26%synergy
True-Name Nemesis
28%inclusion9 decks32 decks
27%synergy
Cursecatcher
28%inclusion9 decks32 decks
27%synergy
Stormtide Leviathan
25%inclusion8 decks32 decks
18%synergy
Cosi's Trickster
25%inclusion8 decks32 decks
24%synergy
Surgespanner
25%inclusion8 decks32 decks
24%synergy
Mistcaller
25%inclusion8 decks32 decks
24%synergy
Tidal Warrior
25%inclusion8 decks32 decks
24%synergy
Floodpits Drowner
24%inclusion6 decks25 decks
23%synergy
Metallic Mimic
22%inclusion7 decks32 decks
21%synergy
Roaming Throne
22%inclusion7 decks32 decks
18%synergy
Rishadan Dockhand
22%inclusion7 decks32 decks
21%synergy
Merfolk Looter
22%inclusion7 decks32 decks
20%synergy
Slinn Voda, the Rising Deep
22%inclusion7 decks32 decks
21%synergy
Alandra, Sky Dreamer
22%inclusion7 decks32 decks
15%synergy
Mindspring Merfolk
19%inclusion4 decks21 decks
18%synergy
Tideshaper Mystic
19%inclusion6 decks32 decks
18%synergy
Sigil Tracer
16%inclusion5 decks32 decks
14%synergy
Tidebinder Mage
16%inclusion5 decks32 decks
15%synergy
Eluge, the Shoreless Sea
15%inclusion4 decks27 decks
6%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
Titan of Littjara
13%inclusion4 decks32 decks
11%synergy
Thassa, Deep-Dwelling
9.4%inclusion3 decks32 decks
5%synergy
Instants
Rapid Hybridization
56%inclusion18 decks32 decks
22%synergy
Negate
53%inclusion17 decks32 decks
15%synergy
High Tide
53%inclusion17 decks32 decks
9%synergy
Aetherize
50%inclusion16 decks32 decks
21%synergy
Pongify
41%inclusion13 decks32 decks
0%synergy
Swan Song
34%inclusion11 decks32 decks
8%synergy
An Offer You Can't Refuse
31%inclusion10 decks32 decks
-6%synergy
Mana Drain
31%inclusion10 decks32 decks
4%synergy
Thassa's Rebuff
31%inclusion10 decks32 decks
30%synergy
Brainstorm
28%inclusion9 decks32 decks
-13%synergy
Reality Shift
28%inclusion9 decks32 decks
0%synergy
Resculpt
28%inclusion9 decks32 decks
9%synergy
Flare of Denial
26%inclusion8 decks31 decks
19%synergy
Engulf the Shore
22%inclusion7 decks32 decks
14%synergy
Arcane Denial
22%inclusion7 decks32 decks
-14%synergy
Spell Pierce
22%inclusion7 decks32 decks
13%synergy
Strix Serenade
16%inclusion5 decks31 decks
7%synergy
Sink into Stupor
16%inclusion5 decks31 decks
-6%synergy
Muddle the Mixture
16%inclusion5 decks32 decks
0%synergy
Opt
13%inclusion4 decks32 decks
-13%synergy
Cancel
13%inclusion4 decks32 decks
7%synergy
Disallow
13%inclusion4 decks32 decks
6%synergy
Filter Out
13%inclusion4 decks32 decks
8%synergy
Snap
13%inclusion4 decks32 decks
-6%synergy
Flow of Knowledge
13%inclusion4 decks32 decks
-4%synergy
Unwind
13%inclusion4 decks32 decks
3%synergy
Evacuation
13%inclusion4 decks32 decks
5%synergy
Amazing Acrobatics
11%inclusion1 decks9 decks
9%synergy
Spider-Sense
11%inclusion1 decks9 decks
8%synergy
Frantic Search
9.4%inclusion3 decks32 decks
-21%synergy
Essence Scatter
9.4%inclusion3 decks32 decks
6%synergy
Mystic Reflection
9.4%inclusion3 decks32 decks
7%synergy
Blue Sun's Zenith
9.4%inclusion3 decks32 decks
-2%synergy
Repulse
9.4%inclusion3 decks32 decks
8%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
Saw It Coming
9.4%inclusion3 decks32 decks
6%synergy
Jwari Disruption
9.4%inclusion3 decks32 decks
5%synergy
Cryptic Command
9.4%inclusion3 decks32 decks
-2%synergy
Force of Negation
9.4%inclusion3 decks32 decks
-6%synergy
Misdirection
9.4%inclusion3 decks32 decks
4%synergy
Narset's Reversal
9.4%inclusion3 decks32 decks
-3%synergy
March of Swirling Mist
9.4%inclusion3 decks32 decks
1%synergy
Pact of Negation
9.4%inclusion3 decks32 decks
-1%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
Forceful Denial
6.3%inclusion2 decks32 decks
6%synergy
Blustersquall
6.3%inclusion2 decks32 decks
5%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
Ravenform
16%inclusion5 decks32 decks
6%synergy
Rite of Replication
16%inclusion5 decks32 decks
9%synergy
Ponder
13%inclusion4 decks32 decks
-17%synergy
Windfall
13%inclusion4 decks32 decks
-10%synergy
Sea Gate Restoration
13%inclusion4 decks32 decks
-2%synergy
Curse of the Swine
13%inclusion4 decks32 decks
1%synergy
Sleep
9.4%inclusion3 decks32 decks
8%synergy
Step Through
9.4%inclusion3 decks32 decks
4%synergy
Solve the Equation
9.4%inclusion3 decks32 decks
-3%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
Preordain
6.3%inclusion2 decks32 decks
-18%synergy
River's Rebuke
6.3%inclusion2 decks32 decks
3%synergy
Time Warp
6.3%inclusion2 decks32 decks
0%synergy
Maddening Cacophony
6.3%inclusion2 decks32 decks
-1%synergy
Utility Artifacts
Herald's Horn
34%inclusion11 decks32 decks
32%synergy
Vanquisher's Banner
31%inclusion10 decks32 decks
30%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
19%inclusion6 decks32 decks
17%synergy
Urza's Incubator
16%inclusion5 decks32 decks
14%synergy
Swiftfoot Boots
16%inclusion5 decks32 decks
-13%synergy
Sensei's Divining Top
13%inclusion4 decks32 decks
-3%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
Stoneforge Masterwork
9.4%inclusion3 decks32 decks
9%synergy
Cryogen Relic
8.3%inclusion1 decks12 decks
4%synergy
Robe of the Archmagi
6.3%inclusion2 decks32 decks
5%synergy
Winged Boots
6.3%inclusion2 decks32 decks
3%synergy
Aether Vial
6.3%inclusion2 decks32 decks
6%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
Eaten by Piranhas
13%inclusion4 decks32 decks
9%synergy
Propaganda
13%inclusion4 decks32 decks
-17%synergy
Teferi's Ageless Insight
9.4%inclusion3 decks32 decks
-8%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
Equilibrium
9.4%inclusion3 decks32 decks
9%synergy
Combat Research
9.4%inclusion3 decks32 decks
7%synergy
Amphibian Downpour
6.7%inclusion2 decks30 decks
1%synergy
Back to Basics
6.3%inclusion2 decks32 decks
-1%synergy
Lingering Mirage
6.3%inclusion2 decks32 decks
6%synergy
Utility Lands
Mystic Sanctuary
63%inclusion20 decks32 decks
12%synergy
Nykthos, Shrine to Nyx
38%inclusion12 decks32 decks
21%synergy
Reliquary Tower
38%inclusion12 decks32 decks
-19%synergy
Three Tree City
37%inclusion10 decks27 decks
33%synergy
Castle Vantress
34%inclusion11 decks32 decks
16%synergy
Rivendell
25%inclusion8 decks32 decks
13%synergy
Otawara, Soaring City
25%inclusion8 decks32 decks
0%synergy
Halimar Depths
22%inclusion7 decks32 decks
12%synergy
Lonely Sandbar
22%inclusion7 decks32 decks
8%synergy
Rogue's Passage
22%inclusion7 decks32 decks
7%synergy
Minamo, School at Water's Edge
19%inclusion6 decks32 decks
6%synergy
War Room
19%inclusion6 decks32 decks
3%synergy
Mistrise Village
16%inclusion3 decks19 decks
6%synergy
Riptide Laboratory
16%inclusion5 decks32 decks
5%synergy
Scavenger Grounds
13%inclusion4 decks32 decks
5%synergy
Academy Ruins
13%inclusion4 decks32 decks
-6%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
38%inclusion12 decks32 decks
-14%synergy
Heraldic Banner
31%inclusion10 decks32 decks
25%synergy
Sky Diamond
28%inclusion9 decks32 decks
5%synergy
Patchwork Banner
26%inclusion7 decks27 decks
22%synergy
Nyx Lotus
22%inclusion7 decks32 decks
18%synergy
Mind Stone
19%inclusion6 decks32 decks
-17%synergy
Mox Amber
13%inclusion4 decks32 decks
5%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
Fellwar Stone
9.4%inclusion3 decks32 decks
-10%synergy
Caged Sun
6.3%inclusion2 decks32 decks
-5%synergy
Commander's Sphere
6.3%inclusion2 decks32 decks
-4%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
Lands
Island
97%inclusion31 decks32 decks
3%synergy
Path of Ancestry
34%inclusion11 decks32 decks
30%synergy
Cavern of Souls
31%inclusion10 decks32 decks
27%synergy
Myriad Landscape
28%inclusion9 decks32 decks
2%synergy
Sink into Stupor
16%inclusion5 decks31 decks
-6%synergy
Sea Gate Restoration
13%inclusion4 decks32 decks
-2%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
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