Svyelun of Sea and Sky (Commander) - Upgraded Combo

Svyelun of Sea and Sky
Rank #1,278
4decks
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Ethan Coover
Sep 16, 2026
Ethan Coover
Ranking the Best Merfolk Combos in Commander
The 10 best Merfolk combo cards, from Emry and Adrix and Nev to hidden gems like Leech Bonder, ranked by Commander Spellbook combo count.
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Utility Lands
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Lands
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Seahunter
100%inclusion4 decks4 decks
99%synergy
Merrow Harbinger
100%inclusion4 decks4 decks
99%synergy
Emperor Mihail II
100%inclusion4 decks4 decks
99%synergy
Seafloor Oracle
100%inclusion4 decks4 decks
98%synergy
Merrow Reejerey
100%inclusion4 decks4 decks
98%synergy
Deeproot Pilgrimage
100%inclusion4 decks4 decks
98%synergy
Lord of Atlantis
100%inclusion4 decks4 decks
98%synergy
Vodalian Hexcatcher
100%inclusion4 decks4 decks
98%synergy
Master of the Pearl Trident
100%inclusion4 decks4 decks
97%synergy
Stonybrook Banneret
100%inclusion4 decks4 decks
96%synergy
Top Cards
Sapphire Medallion
100%inclusion4 decks4 decks
40%synergy
Game Changers
Thassa's Oracle
50%inclusion2 decks4 decks
38%synergy
Rhystic Study
50%inclusion2 decks4 decks
19%synergy
Chrome Mox
25%inclusion1 decks4 decks
16%synergy
Creatures
Summon: Leviathan
100%inclusion3 decks3 decks
98%synergy
Daughter of the Deep
100%inclusion1 decks1 decks
97%synergy
Kopala, Warden of Waves
75%inclusion3 decks4 decks
73%synergy
Mindspring Merfolk
75%inclusion3 decks4 decks
74%synergy
Thassa, God of the Sea
75%inclusion3 decks4 decks
72%synergy
Harbinger of the Seas
75%inclusion3 decks4 decks
67%synergy
Wanderwine Prophets
75%inclusion3 decks4 decks
74%synergy
Thada Adel, Acquisitor
75%inclusion3 decks4 decks
73%synergy
Mist Dancer
75%inclusion3 decks4 decks
74%synergy
Silvergill Adept
75%inclusion3 decks4 decks
74%synergy
Attuma, Atlantean Warlord
67%inclusion2 decks3 decks
64%synergy
Harmonized Trio
67%inclusion2 decks3 decks
59%synergy
Master of Waves
50%inclusion2 decks4 decks
47%synergy
Stormtide Leviathan
50%inclusion2 decks4 decks
44%synergy
Merfolk Sovereign
50%inclusion2 decks4 decks
48%synergy
Sigil Tracer
50%inclusion2 decks4 decks
49%synergy
Kiora, the Rising Tide
50%inclusion2 decks4 decks
47%synergy
Lullmage Mentor
50%inclusion2 decks4 decks
48%synergy
Forensic Researcher
50%inclusion2 decks4 decks
49%synergy
Mistcaller
50%inclusion2 decks4 decks
49%synergy
Defiler of Dreams
50%inclusion2 decks4 decks
42%synergy
Drowner of Secrets
50%inclusion2 decks4 decks
49%synergy
Tide Shaper
50%inclusion2 decks4 decks
49%synergy
Sea Scryer
50%inclusion2 decks4 decks
49%synergy
Namor the Sub-Mariner
33%inclusion1 decks3 decks
32%synergy
Disruptor of Currents
33%inclusion1 decks3 decks
32%synergy
Silvergill Mentor
33%inclusion1 decks3 decks
33%synergy
Coralhelm Commander
25%inclusion1 decks4 decks
24%synergy
Azami, Lady of Scrolls
25%inclusion1 decks4 decks
22%synergy
True-Name Nemesis
25%inclusion1 decks4 decks
24%synergy
Seasinger
25%inclusion1 decks4 decks
25%synergy
Tishana's Tidebinder
25%inclusion1 decks4 decks
21%synergy
Teferi, Mage of Zhalfir
25%inclusion1 decks4 decks
22%synergy
Wavebreak Hippocamp
25%inclusion1 decks4 decks
15%synergy
Phyrexian Metamorph
25%inclusion1 decks4 decks
5%synergy
Roaming Throne
25%inclusion1 decks4 decks
21%synergy
Rishadan Dockhand
25%inclusion1 decks4 decks
25%synergy
Tideshaper Mystic
25%inclusion1 decks4 decks
25%synergy
Floodpits Drowner
25%inclusion1 decks4 decks
24%synergy
Reef Shaman
25%inclusion1 decks4 decks
25%synergy
Merfolk Secretkeeper
25%inclusion1 decks4 decks
24%synergy
Deepchannel Mentor
25%inclusion1 decks4 decks
23%synergy
Voracious Greatshark
25%inclusion1 decks4 decks
24%synergy
Streambed Aquitects
25%inclusion1 decks4 decks
25%synergy
Merfolk Looter
25%inclusion1 decks4 decks
23%synergy
Rootwater Thief
25%inclusion1 decks4 decks
25%synergy
Umara Wizard
25%inclusion1 decks4 decks
25%synergy
Saprazzan Heir
25%inclusion1 decks4 decks
25%synergy
Rootwater Hunter
25%inclusion1 decks4 decks
25%synergy
Alandra, Sky Dreamer
25%inclusion1 decks4 decks
18%synergy
Instants
Pongify
75%inclusion3 decks4 decks
34%synergy
Counterspell
75%inclusion3 decks4 decks
9%synergy
High Tide
75%inclusion3 decks4 decks
31%synergy
Harmonized Crescendo
67%inclusion2 decks3 decks
62%synergy
Rapid Hybridization
50%inclusion2 decks4 decks
15%synergy
An Offer You Can't Refuse
50%inclusion2 decks4 decks
11%synergy
Flare of Denial
50%inclusion2 decks4 decks
43%synergy
Resculpt
50%inclusion2 decks4 decks
34%synergy
Wash Away
50%inclusion2 decks4 decks
46%synergy
Mana Sculpt
33%inclusion1 decks3 decks
27%synergy
Perilous Voyage
25%inclusion1 decks4 decks
25%synergy
Dive Down
25%inclusion1 decks4 decks
22%synergy
Cyber Conversion
25%inclusion1 decks4 decks
22%synergy
Negate
25%inclusion1 decks4 decks
-12%synergy
Brainstorm
25%inclusion1 decks4 decks
-16%synergy
Mystic Reflection
25%inclusion1 decks4 decks
23%synergy
Fading Hope
25%inclusion1 decks4 decks
24%synergy
Reality Shift
25%inclusion1 decks4 decks
-1%synergy
Opt
25%inclusion1 decks4 decks
0%synergy
Mana Drain
25%inclusion1 decks4 decks
-2%synergy
Aetherize
25%inclusion1 decks4 decks
-7%synergy
Strix Serenade
25%inclusion1 decks4 decks
17%synergy
Foil
25%inclusion1 decks4 decks
19%synergy
Archmage's Charm
25%inclusion1 decks4 decks
8%synergy
Jwari Disruption
25%inclusion1 decks4 decks
20%synergy
Snap
25%inclusion1 decks4 decks
5%synergy
Silundi Vision
25%inclusion1 decks4 decks
20%synergy
Pull from Tomorrow
25%inclusion1 decks4 decks
16%synergy
Thassa's Rebuff
25%inclusion1 decks4 decks
24%synergy
Sink into Stupor
25%inclusion1 decks4 decks
2%synergy
Unsubstantiate
25%inclusion1 decks4 decks
23%synergy
Visions of Beyond
25%inclusion1 decks4 decks
20%synergy
Narset's Reversal
25%inclusion1 decks4 decks
12%synergy
Suspend
25%inclusion1 decks4 decks
23%synergy
Sorceries
Step Through
50%inclusion2 decks4 decks
45%synergy
Consuming Tide
25%inclusion1 decks4 decks
22%synergy
Sea Gate Restoration
25%inclusion1 decks4 decks
10%synergy
Crashing Tide
25%inclusion1 decks4 decks
25%synergy
Distant Melody
25%inclusion1 decks4 decks
20%synergy
Spectral Deluge
25%inclusion1 decks4 decks
15%synergy
Aquitect's Will
25%inclusion1 decks4 decks
20%synergy
Raise the Palisade
25%inclusion1 decks4 decks
21%synergy
Rite of Replication
25%inclusion1 decks4 decks
18%synergy
Utility Artifacts
Bident of Thassa
75%inclusion3 decks4 decks
62%synergy
The Indomitable
50%inclusion2 decks4 decks
48%synergy
Lightning Greaves
50%inclusion2 decks4 decks
24%synergy
Mirrormind Crown
33%inclusion1 decks3 decks
33%synergy
Mantle of Tides
25%inclusion1 decks4 decks
25%synergy
Relic of Progenitus
25%inclusion1 decks4 decks
24%synergy
Sting, the Glinting Dagger
25%inclusion1 decks4 decks
24%synergy
Horn of the Mark
25%inclusion1 decks4 decks
25%synergy
Kefnet's Monument
25%inclusion1 decks4 decks
19%synergy
Sword of Feast and Famine
25%inclusion1 decks4 decks
24%synergy
Sword of the Animist
25%inclusion1 decks4 decks
20%synergy
Enchantments
Kindred Discovery
75%inclusion3 decks4 decks
68%synergy
Merrow Commerce
75%inclusion3 decks4 decks
73%synergy
Reflections of Littjara
75%inclusion3 decks4 decks
72%synergy
Intruder Alarm
50%inclusion2 decks4 decks
47%synergy
Curiosity
50%inclusion2 decks4 decks
47%synergy
Ominous Seas
50%inclusion2 decks4 decks
39%synergy
Deeproot Waters
50%inclusion2 decks4 decks
48%synergy
Spreading Seas
50%inclusion2 decks4 decks
49%synergy
The Legend of Kuruk
33%inclusion1 decks3 decks
32%synergy
Reconnaissance Mission
25%inclusion1 decks4 decks
18%synergy
Wizard Class
25%inclusion1 decks4 decks
8%synergy
Traveler's Cloak
25%inclusion1 decks4 decks
25%synergy
Fishliver Oil
25%inclusion1 decks4 decks
24%synergy
Kiora Bests the Sea God
25%inclusion1 decks4 decks
24%synergy
Mystic Remora
25%inclusion1 decks4 decks
-1%synergy
One With the Wind
25%inclusion1 decks4 decks
25%synergy
Leyline of Anticipation
25%inclusion1 decks4 decks
17%synergy
Eaten by Piranhas
25%inclusion1 decks4 decks
22%synergy
Faces of the Past
25%inclusion1 decks4 decks
25%synergy
Sea's Claim
25%inclusion1 decks4 decks
25%synergy
Utility Lands
Mystic Sanctuary
75%inclusion3 decks4 decks
25%synergy
Reliquary Tower
75%inclusion3 decks4 decks
19%synergy
Riptide Laboratory
50%inclusion2 decks4 decks
41%synergy
Mutavault
50%inclusion2 decks4 decks
49%synergy
Agna Qel'a
33%inclusion1 decks3 decks
26%synergy
Minamo, School at Water's Edge
25%inclusion1 decks4 decks
12%synergy
Remote Isle
25%inclusion1 decks4 decks
21%synergy
Maze of Ith
25%inclusion1 decks4 decks
20%synergy
Tyrite Sanctum
25%inclusion1 decks4 decks
24%synergy
Emergence Zone
25%inclusion1 decks4 decks
21%synergy
Lonely Sandbar
25%inclusion1 decks4 decks
12%synergy
Skyline Cascade
25%inclusion1 decks4 decks
24%synergy
Nykthos, Shrine to Nyx
25%inclusion1 decks4 decks
8%synergy
Hidden Cataract
25%inclusion1 decks4 decks
24%synergy
Muraganda Raceway
25%inclusion1 decks4 decks
22%synergy
Cephalid Coliseum
25%inclusion1 decks4 decks
16%synergy
Three Tree City
25%inclusion1 decks4 decks
21%synergy
The Surgical Bay
25%inclusion1 decks4 decks
24%synergy
Otawara, Soaring City
25%inclusion1 decks4 decks
-1%synergy
Access Tunnel
25%inclusion1 decks4 decks
23%synergy
Field of Ruin
25%inclusion1 decks4 decks
23%synergy
Amonkhet Raceway
25%inclusion1 decks4 decks
23%synergy
Mana Artifacts
Sol Ring
100%inclusion4 decks4 decks
15%synergy
Arcane Signet
75%inclusion3 decks4 decks
10%synergy
Fellwar Stone
75%inclusion3 decks4 decks
55%synergy
Caged Sun
25%inclusion1 decks4 decks
15%synergy
Sky Diamond
25%inclusion1 decks4 decks
3%synergy
Heraldic Banner
25%inclusion1 decks4 decks
19%synergy
Patchwork Banner
25%inclusion1 decks4 decks
21%synergy
Moonsnare Prototype
25%inclusion1 decks4 decks
23%synergy
Decanter of Endless Water
25%inclusion1 decks4 decks
12%synergy
Star Compass
25%inclusion1 decks4 decks
24%synergy
Springleaf Drum
25%inclusion1 decks4 decks
21%synergy
Midnight Clock
25%inclusion1 decks4 decks
6%synergy
Mind Stone
25%inclusion1 decks4 decks
-9%synergy
Misleading Signpost
25%inclusion1 decks4 decks
21%synergy
Lands
Island
100%inclusion4 decks4 decks
6%synergy
Cavern of Souls
50%inclusion2 decks4 decks
45%synergy
Path of Ancestry
50%inclusion2 decks4 decks
46%synergy
Urza's Cave
25%inclusion1 decks4 decks
21%synergy
Sea Gate Restoration
25%inclusion1 decks4 decks
10%synergy
Umara Wizard
25%inclusion1 decks4 decks
25%synergy
Demolition Field
25%inclusion1 decks4 decks
20%synergy
Jwari Disruption
25%inclusion1 decks4 decks
20%synergy
Silundi Vision
25%inclusion1 decks4 decks
20%synergy
Sink into Stupor
25%inclusion1 decks4 decks
2%synergy
Glasspool Mimic
25%inclusion1 decks4 decks
18%synergy
Abstergo Entertainment
25%inclusion1 decks4 decks
24%synergy
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