Svyelun of Sea and Sky (Commander) - Optimized

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
13%inclusion3 decks23 decks
12%synergy
Wan Shi Tong, Librarian
4.3%inclusion1 decks23 decks
-3%synergy
High Synergy Cards
Merrow Reejerey
94%inclusion76 decks81 decks
92%synergy
Master of the Pearl Trident
94%inclusion76 decks81 decks
92%synergy
Vodalian Hexcatcher
88%inclusion71 decks81 decks
86%synergy
Emperor Mihail II
86%inclusion70 decks81 decks
86%synergy
Kopala, Warden of Waves
85%inclusion69 decks81 decks
84%synergy
Merfolk Sovereign
85%inclusion69 decks81 decks
84%synergy
Lord of Atlantis
84%inclusion68 decks81 decks
83%synergy
Deeproot Waters
80%inclusion65 decks81 decks
79%synergy
Seafloor Oracle
80%inclusion65 decks81 decks
79%synergy
Deeproot Pilgrimage
80%inclusion65 decks81 decks
79%synergy
Top Cards
Harbinger of the Seas
86%inclusion70 decks81 decks
77%synergy
Stonybrook Banneret
81%inclusion66 decks81 decks
78%synergy
Merrow Commerce
79%inclusion64 decks81 decks
78%synergy
Counterspell
79%inclusion64 decks81 decks
12%synergy
Merrow Harbinger
72%inclusion58 decks81 decks
71%synergy
Sapphire Medallion
70%inclusion57 decks81 decks
13%synergy
Lullmage Mentor
69%inclusion56 decks81 decks
68%synergy
Bident of Thassa
69%inclusion56 decks81 decks
57%synergy
Thieving Skydiver
69%inclusion56 decks81 decks
65%synergy
Tishana's Tidebinder
64%inclusion52 decks81 decks
60%synergy
Game Changers
Rhystic Study
53%inclusion43 decks81 decks
19%synergy
Cyclonic Rift
52%inclusion42 decks81 decks
17%synergy
Fierce Guardianship
41%inclusion33 decks81 decks
18%synergy
Thassa's Oracle
37%inclusion30 decks81 decks
24%synergy
Force of Will
26%inclusion21 decks81 decks
8%synergy
Mystical Tutor
25%inclusion20 decks81 decks
1%synergy
Ancient Tomb
8.6%inclusion7 decks81 decks
-4%synergy
Narset, Parter of Veils
8.6%inclusion7 decks81 decks
-3%synergy
Creatures
Tide Shaper
63%inclusion51 decks81 decks
62%synergy
Harbinger of the Tides
59%inclusion48 decks81 decks
58%synergy
Deepchannel Mentor
57%inclusion46 decks81 decks
56%synergy
Merfolk Trickster
57%inclusion46 decks81 decks
55%synergy
Mist Dancer
56%inclusion45 decks81 decks
55%synergy
Thada Adel, Acquisitor
52%inclusion42 decks81 decks
50%synergy
True-Name Nemesis
51%inclusion41 decks81 decks
50%synergy
Coralhelm Commander
49%inclusion40 decks81 decks
49%synergy
Wanderwine Prophets
49%inclusion40 decks81 decks
49%synergy
Triton Shorestalker
46%inclusion37 decks81 decks
43%synergy
Silvergill Adept
46%inclusion37 decks81 decks
45%synergy
Master of Waves
44%inclusion36 decks81 decks
41%synergy
Seahunter
43%inclusion35 decks81 decks
43%synergy
Thassa, God of the Sea
40%inclusion32 decks81 decks
36%synergy
Mist-Cloaked Herald
38%inclusion31 decks81 decks
36%synergy
Rishadan Dockhand
35%inclusion28 decks81 decks
34%synergy
Tempest Caller
35%inclusion28 decks81 decks
34%synergy
River Sneak
33%inclusion27 decks81 decks
33%synergy
Kiora, the Rising Tide
31%inclusion25 decks80 decks
28%synergy
Empress Galina
31%inclusion25 decks81 decks
30%synergy
Wake Thrasher
31%inclusion25 decks81 decks
30%synergy
Cosi's Trickster
30%inclusion24 decks81 decks
29%synergy
Mindspring Merfolk
29%inclusion23 decks79 decks
28%synergy
Streambed Aquitects
28%inclusion23 decks81 decks
28%synergy
Cursecatcher
27%inclusion22 decks81 decks
26%synergy
Talrand, Sky Summoner
25%inclusion20 decks81 decks
11%synergy
Floodpits Drowner
23%inclusion19 decks81 decks
22%synergy
Roaming Throne
21%inclusion17 decks81 decks
17%synergy
Summon: Leviathan
21%inclusion13 decks62 decks
19%synergy
Stormtide Leviathan
19%inclusion15 decks81 decks
12%synergy
Mistcaller
19%inclusion15 decks81 decks
18%synergy
Tidal Warrior
17%inclusion14 decks81 decks
17%synergy
Merfolk Looter
16%inclusion13 decks81 decks
14%synergy
Alandra, Sky Dreamer
16%inclusion13 decks81 decks
9%synergy
Metallic Mimic
15%inclusion12 decks81 decks
14%synergy
Tideshaper Mystic
15%inclusion12 decks81 decks
15%synergy
Glasspool Mimic
14%inclusion11 decks81 decks
7%synergy
Titan of Littjara
12%inclusion10 decks81 decks
11%synergy
Defiler of Dreams
12%inclusion10 decks81 decks
3%synergy
Wonder
11%inclusion9 decks81 decks
6%synergy
Shipwreck Dowser
11%inclusion9 decks81 decks
8%synergy
Sea Scryer
11%inclusion9 decks81 decks
10%synergy
Thassa, Deep-Dwelling
10%inclusion8 decks81 decks
6%synergy
Surgespanner
10%inclusion8 decks81 decks
9%synergy
Slinn Voda, the Rising Deep
10%inclusion8 decks81 decks
9%synergy
Benthic Biomancer
10%inclusion8 decks81 decks
9%synergy
Library Larcenist
10%inclusion8 decks81 decks
9%synergy
Tidebinder Mage
10%inclusion8 decks81 decks
10%synergy
Eluge, the Shoreless Sea
8.6%inclusion7 decks81 decks
0%synergy
Seasinger
8.6%inclusion7 decks81 decks
8%synergy
Instants
High Tide
59%inclusion48 decks81 decks
15%synergy
Pongify
51%inclusion41 decks81 decks
10%synergy
Negate
48%inclusion39 decks81 decks
10%synergy
Rapid Hybridization
44%inclusion36 decks81 decks
10%synergy
Aetherize
44%inclusion36 decks81 decks
16%synergy
Mana Drain
41%inclusion33 decks81 decks
14%synergy
Swan Song
40%inclusion32 decks81 decks
13%synergy
Reality Shift
38%inclusion31 decks81 decks
10%synergy
Brainstorm
35%inclusion28 decks81 decks
-7%synergy
An Offer You Can't Refuse
33%inclusion27 decks81 decks
-3%synergy
Arcane Denial
32%inclusion26 decks81 decks
-4%synergy
Thassa's Rebuff
32%inclusion26 decks81 decks
31%synergy
Flare of Denial
31%inclusion25 decks81 decks
24%synergy
Force of Negation
31%inclusion25 decks81 decks
15%synergy
Filter Out
20%inclusion16 decks81 decks
15%synergy
Flow of Knowledge
16%inclusion13 decks81 decks
0%synergy
Sink into Stupor
15%inclusion12 decks81 decks
-7%synergy
Spell Pierce
15%inclusion12 decks81 decks
6%synergy
Resculpt
14%inclusion11 decks81 decks
-5%synergy
Cryptic Command
14%inclusion11 decks81 decks
2%synergy
Archmage's Charm
14%inclusion11 decks81 decks
-3%synergy
Pact of Negation
14%inclusion11 decks81 decks
3%synergy
Muddle the Mixture
12%inclusion10 decks81 decks
-4%synergy
Frantic Search
12%inclusion10 decks81 decks
-17%synergy
Strix Serenade
12%inclusion10 decks81 decks
3%synergy
Opt
11%inclusion9 decks81 decks
-14%synergy
Mana Leak
11%inclusion9 decks81 decks
4%synergy
Dispel
11%inclusion9 decks81 decks
2%synergy
Cancel
11%inclusion9 decks81 decks
6%synergy
Engulf the Shore
10%inclusion8 decks81 decks
1%synergy
March of Swirling Mist
10%inclusion8 decks81 decks
2%synergy
Unsummon
7.4%inclusion6 decks81 decks
3%synergy
Misdirection
7.4%inclusion6 decks81 decks
2%synergy
Narset's Reversal
7.4%inclusion6 decks81 decks
-5%synergy
Essence Scatter
6.2%inclusion5 decks81 decks
3%synergy
Disallow
6.2%inclusion5 decks81 decks
-1%synergy
Thassa's Intervention
6.2%inclusion5 decks81 decks
5%synergy
Snap
6.2%inclusion5 decks81 decks
-12%synergy
Rewind
6.2%inclusion5 decks81 decks
-6%synergy
Spider-Sense
5.3%inclusion2 decks38 decks
2%synergy
Sorceries
Aquitect's Will
53%inclusion43 decks81 decks
48%synergy
Distant Melody
44%inclusion36 decks81 decks
39%synergy
Ponder
38%inclusion31 decks81 decks
9%synergy
Raise the Palisade
31%inclusion25 decks81 decks
28%synergy
Inundate
23%inclusion19 decks81 decks
22%synergy
Spectral Deluge
17%inclusion14 decks81 decks
6%synergy
Preordain
16%inclusion13 decks81 decks
-8%synergy
Curse of the Swine
15%inclusion12 decks81 decks
3%synergy
Sea Gate Restoration
12%inclusion10 decks81 decks
-2%synergy
Crashing Tide
12%inclusion10 decks81 decks
12%synergy
Ravenform
12%inclusion10 decks81 decks
3%synergy
Chart a Course
10%inclusion8 decks81 decks
5%synergy
Rite of Replication
10%inclusion8 decks81 decks
3%synergy
Consuming Tide
7.4%inclusion6 decks81 decks
4%synergy
Step Through
7.4%inclusion6 decks81 decks
2%synergy
Wash Out
7.4%inclusion6 decks81 decks
2%synergy
River's Rebuke
7.4%inclusion6 decks81 decks
4%synergy
Divination
6.2%inclusion5 decks81 decks
5%synergy
Paradigm Shift
6.2%inclusion5 decks81 decks
5%synergy
Solve the Equation
6.2%inclusion5 decks81 decks
-7%synergy
Utility Artifacts
Herald's Horn
40%inclusion32 decks81 decks
38%synergy
Vanquisher's Banner
28%inclusion23 decks81 decks
27%synergy
Kefnet's Monument
28%inclusion23 decks81 decks
22%synergy
Quicksilver Fountain
25%inclusion20 decks81 decks
23%synergy
Swiftfoot Boots
23%inclusion19 decks81 decks
-5%synergy
Lightning Greaves
23%inclusion19 decks81 decks
-3%synergy
Door of Destinies
22%inclusion18 decks81 decks
21%synergy
Coat of Arms
15%inclusion12 decks81 decks
13%synergy
Banner of Kinship
11%inclusion9 decks80 decks
9%synergy
Sword of the Animist
10%inclusion8 decks81 decks
4%synergy
Winter Moon
10%inclusion8 decks81 decks
5%synergy
Aether Vial
10%inclusion8 decks81 decks
9%synergy
Icon of Ancestry
8.6%inclusion7 decks81 decks
8%synergy
Wayfarer's Bauble
7.4%inclusion6 decks81 decks
-11%synergy
Commander's Plate
7.4%inclusion6 decks81 decks
3%synergy
Urza's Incubator
6.2%inclusion5 decks81 decks
5%synergy
Stoneforge Masterwork
6.2%inclusion5 decks81 decks
6%synergy
Enchantments
Kindred Discovery
57%inclusion46 decks81 decks
50%synergy
Reflections of Littjara
43%inclusion35 decks81 decks
40%synergy
Mystic Remora
30%inclusion24 decks81 decks
2%synergy
Spreading Seas
28%inclusion23 decks81 decks
27%synergy
Reconnaissance Mission
23%inclusion19 decks81 decks
17%synergy
Imprisoned in the Moon
21%inclusion17 decks81 decks
9%synergy
Propaganda
21%inclusion17 decks81 decks
-9%synergy
Wizard Class
19%inclusion15 decks81 decks
2%synergy
Back to Basics
12%inclusion10 decks81 decks
4%synergy
Coastal Piracy
12%inclusion10 decks81 decks
8%synergy
Intruder Alarm
11%inclusion9 decks81 decks
8%synergy
Eaten by Piranhas
11%inclusion9 decks81 decks
8%synergy
Aquatic Incursion
10%inclusion8 decks81 decks
10%synergy
Witness Protection
8.6%inclusion7 decks81 decks
3%synergy
Amphibian Downpour
7.4%inclusion6 decks81 decks
2%synergy
Military Intelligence
7.4%inclusion6 decks81 decks
6%synergy
Sea's Claim
7.4%inclusion6 decks81 decks
7%synergy
Omniscience
7.4%inclusion6 decks81 decks
-1%synergy
Frogify
6.2%inclusion5 decks81 decks
5%synergy
Leyline of Anticipation
6.2%inclusion5 decks81 decks
-3%synergy
Utility Lands
Mystic Sanctuary
64%inclusion52 decks81 decks
13%synergy
Reliquary Tower
63%inclusion51 decks81 decks
7%synergy
Nykthos, Shrine to Nyx
40%inclusion32 decks81 decks
23%synergy
Castle Vantress
33%inclusion27 decks81 decks
14%synergy
Halimar Depths
30%inclusion24 decks81 decks
19%synergy
Three Tree City
30%inclusion24 decks81 decks
26%synergy
Otawara, Soaring City
28%inclusion23 decks81 decks
3%synergy
Rogue's Passage
21%inclusion17 decks81 decks
6%synergy
Mutavault
19%inclusion15 decks81 decks
18%synergy
Lonely Sandbar
19%inclusion15 decks81 decks
4%synergy
Minamo, School at Water's Edge
14%inclusion11 decks81 decks
1%synergy
Riptide Laboratory
14%inclusion11 decks81 decks
3%synergy
Rivendell
12%inclusion10 decks81 decks
1%synergy
War Room
11%inclusion9 decks81 decks
-5%synergy
Svyelunite Temple
10%inclusion8 decks81 decks
9%synergy
Hall of Storm Giants
8.6%inclusion7 decks81 decks
6%synergy
Maze of Ith
7.4%inclusion6 decks81 decks
2%synergy
Coral Atoll
7.4%inclusion6 decks81 decks
4%synergy
Academy Ruins
6.2%inclusion5 decks81 decks
-12%synergy
Mistrise Village
5.8%inclusion4 decks69 decks
-3%synergy
Mana Artifacts
Sol Ring
84%inclusion68 decks81 decks
-1%synergy
Arcane Signet
44%inclusion36 decks81 decks
-21%synergy
Thought Vessel
44%inclusion36 decks81 decks
-7%synergy
Patchwork Banner
22%inclusion18 decks81 decks
19%synergy
Sky Diamond
17%inclusion14 decks81 decks
-6%synergy
Heraldic Banner
16%inclusion13 decks81 decks
10%synergy
Nyx Lotus
15%inclusion12 decks81 decks
11%synergy
Mind Stone
14%inclusion11 decks81 decks
-23%synergy
Caged Sun
10%inclusion8 decks81 decks
-2%synergy
Gauntlet of Power
6.2%inclusion5 decks81 decks
2%synergy
Decanter of Endless Water
6.2%inclusion5 decks81 decks
-8%synergy
Midnight Clock
6.2%inclusion5 decks81 decks
-15%synergy
Lands
Island
95%inclusion77 decks81 decks
2%synergy
Path of Ancestry
41%inclusion33 decks81 decks
37%synergy
Cavern of Souls
40%inclusion32 decks81 decks
35%synergy
Myriad Landscape
20%inclusion16 decks81 decks
-7%synergy
Sink into Stupor
15%inclusion12 decks81 decks
-7%synergy
Glasspool Mimic
14%inclusion11 decks81 decks
7%synergy
Sea Gate Restoration
12%inclusion10 decks81 decks
-2%synergy
Snow-Covered Island
7.4%inclusion6 decks81 decks
-1%synergy
Evolving Wilds
7.4%inclusion6 decks81 decks
3%synergy
Flooded Strand
7.4%inclusion6 decks81 decks
-1%synergy
Terramorphic Expanse
6.2%inclusion5 decks81 decks
3%synergy
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