Svyelun of Sea and Sky (Commander) - Core Aggro

Svyelun of Sea and Sky
Rank #1,281
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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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Sorceries
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Enchantments
Utility Lands
Mana Artifacts
Lands
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Deeproot Waters
100%inclusion10 decks10 decks
98%synergy
Seafloor Oracle
100%inclusion10 decks10 decks
98%synergy
Merrow Reejerey
100%inclusion10 decks10 decks
98%synergy
Lord of Atlantis
100%inclusion10 decks10 decks
98%synergy
Master of the Pearl Trident
100%inclusion10 decks10 decks
97%synergy
Stonybrook Banneret
100%inclusion10 decks10 decks
96%synergy
Tide Shaper
90%inclusion9 decks10 decks
89%synergy
Emperor Mihail II
90%inclusion9 decks10 decks
89%synergy
Kopala, Warden of Waves
90%inclusion9 decks10 decks
88%synergy
Deeproot Pilgrimage
90%inclusion9 decks10 decks
88%synergy
Top Cards
Sapphire Medallion
90%inclusion9 decks10 decks
30%synergy
Kindred Discovery
90%inclusion9 decks10 decks
83%synergy
Merfolk Sovereign
90%inclusion9 decks10 decks
88%synergy
Mist Dancer
80%inclusion8 decks10 decks
79%synergy
Aetherize
80%inclusion8 decks10 decks
48%synergy
Reflections of Littjara
80%inclusion8 decks10 decks
77%synergy
Merrow Commerce
80%inclusion8 decks10 decks
78%synergy
Deepchannel Mentor
70%inclusion7 decks10 decks
68%synergy
Vodalian Hexcatcher
70%inclusion7 decks10 decks
68%synergy
Merrow Harbinger
70%inclusion7 decks10 decks
69%synergy
Game Changers
Rhystic Study
10%inclusion1 decks10 decks
-21%synergy
Fierce Guardianship
10%inclusion1 decks10 decks
-12%synergy
Cyclonic Rift
10%inclusion1 decks10 decks
-21%synergy
Mystical Tutor
10%inclusion1 decks10 decks
-11%synergy
Creatures
Mist-Cloaked Herald
70%inclusion7 decks10 decks
67%synergy
Merfolk Trickster
70%inclusion7 decks10 decks
69%synergy
Attuma, Atlantean Warlord
67%inclusion4 decks6 decks
64%synergy
Coralhelm Commander
60%inclusion6 decks10 decks
59%synergy
Mindspring Merfolk
60%inclusion6 decks10 decks
59%synergy
Kiora, the Rising Tide
60%inclusion6 decks10 decks
57%synergy
Streambed Aquitects
60%inclusion6 decks10 decks
60%synergy
Triton Shorestalker
60%inclusion6 decks10 decks
57%synergy
Harbinger of the Tides
60%inclusion6 decks10 decks
59%synergy
Floodpits Drowner
50%inclusion5 decks10 decks
49%synergy
Seahunter
50%inclusion5 decks10 decks
49%synergy
River Sneak
50%inclusion5 decks10 decks
49%synergy
Tidal Warrior
50%inclusion5 decks10 decks
49%synergy
Thieving Skydiver
50%inclusion5 decks10 decks
46%synergy
Summon: Leviathan
50%inclusion4 decks8 decks
48%synergy
True-Name Nemesis
40%inclusion4 decks10 decks
39%synergy
Stormtide Leviathan
40%inclusion4 decks10 decks
34%synergy
Metallic Mimic
40%inclusion4 decks10 decks
39%synergy
Tishana's Tidebinder
40%inclusion4 decks10 decks
36%synergy
Thassa, God of the Sea
40%inclusion4 decks10 decks
37%synergy
Lullmage Mentor
40%inclusion4 decks10 decks
38%synergy
Wanderwine Prophets
40%inclusion4 decks10 decks
39%synergy
Thada Adel, Acquisitor
40%inclusion4 decks10 decks
38%synergy
Silvergill Adept
40%inclusion4 decks10 decks
39%synergy
Gray Harbor Merfolk
40%inclusion4 decks10 decks
40%synergy
Wake Thrasher
40%inclusion4 decks10 decks
40%synergy
Champions of the Shoal
40%inclusion2 decks5 decks
40%synergy
Master of Waves
30%inclusion3 decks10 decks
27%synergy
Cosi's Trickster
30%inclusion3 decks10 decks
29%synergy
Slinn Voda, the Rising Deep
30%inclusion3 decks10 decks
29%synergy
Frostwind Invoker
30%inclusion3 decks10 decks
30%synergy
Cursecatcher
30%inclusion3 decks10 decks
29%synergy
Tidal Courier
30%inclusion3 decks10 decks
30%synergy
Tempest Caller
30%inclusion3 decks10 decks
29%synergy
Empress Galina
30%inclusion3 decks10 decks
29%synergy
Adaptive Automaton
20%inclusion2 decks10 decks
19%synergy
Rootwater Thief
20%inclusion2 decks10 decks
20%synergy
Mistcaller
20%inclusion2 decks10 decks
19%synergy
Harbinger of the Seas
20%inclusion2 decks10 decks
12%synergy
Glasspool Mimic
20%inclusion2 decks10 decks
13%synergy
Talrand, Sky Summoner
20%inclusion2 decks10 decks
7%synergy
Sea Scryer
20%inclusion2 decks10 decks
19%synergy
Titan of Littjara
20%inclusion2 decks10 decks
18%synergy
Disruptor of Currents
20%inclusion1 decks5 decks
19%synergy
Silvergill Mentor
20%inclusion1 decks5 decks
20%synergy
Wanderwine Distracter
20%inclusion1 decks5 decks
20%synergy
Namor the Sub-Mariner
17%inclusion1 decks6 decks
16%synergy
Jill, Shiva's Dominant
13%inclusion1 decks8 decks
11%synergy
Eluge, the Shoreless Sea
10%inclusion1 decks10 decks
2%synergy
Sea-Dasher Octopus
10%inclusion1 decks10 decks
9%synergy
Instants
Counterspell
70%inclusion7 decks10 decks
4%synergy
High Tide
60%inclusion6 decks10 decks
16%synergy
Negate
50%inclusion5 decks10 decks
13%synergy
An Offer You Can't Refuse
40%inclusion4 decks10 decks
1%synergy
Brainstorm
40%inclusion4 decks10 decks
-1%synergy
Flare of Denial
40%inclusion4 decks10 decks
33%synergy
Reality Shift
40%inclusion4 decks10 decks
14%synergy
Pongify
30%inclusion3 decks10 decks
-11%synergy
Rapid Hybridization
30%inclusion3 decks10 decks
-5%synergy
Filter Out
30%inclusion3 decks10 decks
27%synergy
Arcane Denial
30%inclusion3 decks10 decks
-7%synergy
Snap
30%inclusion3 decks10 decks
10%synergy
Mystic Reflection
20%inclusion2 decks10 decks
18%synergy
Swan Song
20%inclusion2 decks10 decks
-8%synergy
Submerge
20%inclusion2 decks10 decks
19%synergy
Sink into Stupor
20%inclusion2 decks10 decks
-3%synergy
Harmonized Crescendo
20%inclusion1 decks5 decks
15%synergy
Frantic Search
10%inclusion1 decks10 decks
-22%synergy
Refute
10%inclusion1 decks10 decks
5%synergy
Domineering Will
10%inclusion1 decks10 decks
9%synergy
Mysteries of the Deep
10%inclusion1 decks10 decks
10%synergy
Essence Scatter
10%inclusion1 decks10 decks
6%synergy
Aetherspouts
10%inclusion1 decks10 decks
3%synergy
Dispel
10%inclusion1 decks10 decks
2%synergy
Opt
10%inclusion1 decks10 decks
-15%synergy
Mana Drain
10%inclusion1 decks10 decks
-17%synergy
Cancel
10%inclusion1 decks10 decks
5%synergy
Resculpt
10%inclusion1 decks10 decks
-6%synergy
Slip Out the Back
10%inclusion1 decks10 decks
2%synergy
Tale's End
10%inclusion1 decks10 decks
7%synergy
Reins of Power
10%inclusion1 decks10 decks
8%synergy
Cryptic Command
10%inclusion1 decks10 decks
-2%synergy
Flow of Knowledge
10%inclusion1 decks10 decks
-4%synergy
Thassa's Rebuff
10%inclusion1 decks10 decks
9%synergy
Spell Shrivel
10%inclusion1 decks10 decks
10%synergy
Narset's Reversal
10%inclusion1 decks10 decks
-3%synergy
Spell Pierce
10%inclusion1 decks10 decks
1%synergy
Boomerang
10%inclusion1 decks10 decks
8%synergy
March of Swirling Mist
10%inclusion1 decks10 decks
3%synergy
Unified Will
10%inclusion1 decks10 decks
10%synergy
Sorceries
Aquitect's Will
70%inclusion7 decks10 decks
65%synergy
Distant Melody
50%inclusion5 decks10 decks
45%synergy
Raise the Palisade
40%inclusion4 decks10 decks
36%synergy
Ponder
30%inclusion3 decks10 decks
1%synergy
Rite of Replication
20%inclusion2 decks10 decks
13%synergy
Inundate
10%inclusion1 decks10 decks
8%synergy
Windfall
10%inclusion1 decks10 decks
-11%synergy
Sea Gate Restoration
10%inclusion1 decks10 decks
-5%synergy
Crashing Tide
10%inclusion1 decks10 decks
10%synergy
Sleep
10%inclusion1 decks10 decks
9%synergy
Concentrate
10%inclusion1 decks10 decks
9%synergy
Expropriate
10%inclusion1 decks10 decks
6%synergy
Preordain
10%inclusion1 decks10 decks
-13%synergy
Flow of Ideas
10%inclusion1 decks10 decks
6%synergy
Maddening Cacophony
10%inclusion1 decks10 decks
3%synergy
Utility Artifacts
Kefnet's Monument
70%inclusion7 decks10 decks
64%synergy
Herald's Horn
60%inclusion6 decks10 decks
58%synergy
Chronicle of Victory
60%inclusion3 decks5 decks
59%synergy
Swiftfoot Boots
50%inclusion5 decks10 decks
22%synergy
Bident of Thassa
50%inclusion5 decks10 decks
37%synergy
Banner of Kinship
40%inclusion4 decks10 decks
37%synergy
Door of Destinies
40%inclusion4 decks10 decks
39%synergy
Wayfarer's Bauble
30%inclusion3 decks10 decks
13%synergy
Vanquisher's Banner
30%inclusion3 decks10 decks
29%synergy
Lightning Greaves
30%inclusion3 decks10 decks
4%synergy
Coat of Arms
20%inclusion2 decks10 decks
18%synergy
Dawn-Blessed Pennant
20%inclusion1 decks5 decks
20%synergy
Quicksilver Fountain
10%inclusion1 decks10 decks
9%synergy
Cloud Key
10%inclusion1 decks10 decks
3%synergy
Icon of Ancestry
10%inclusion1 decks10 decks
10%synergy
Bitterthorn, Nissa's Animus
10%inclusion1 decks10 decks
9%synergy
Lavaspur Boots
10%inclusion1 decks10 decks
8%synergy
Stoneforge Masterwork
10%inclusion1 decks10 decks
10%synergy
Urza's Incubator
10%inclusion1 decks10 decks
9%synergy
Azor's Gateway
10%inclusion1 decks10 decks
10%synergy
Eldrazi Monument
10%inclusion1 decks10 decks
9%synergy
Strionic Resonator
10%inclusion1 decks10 decks
8%synergy
Dolmen Gate
10%inclusion1 decks10 decks
10%synergy
Aether Vial
10%inclusion1 decks10 decks
10%synergy
Enchantments
Propaganda
50%inclusion5 decks10 decks
18%synergy
Spreading Seas
40%inclusion4 decks10 decks
39%synergy
Aquatic Incursion
40%inclusion4 decks10 decks
40%synergy
Wizard Class
20%inclusion2 decks10 decks
3%synergy
Reconnaissance Mission
10%inclusion1 decks10 decks
3%synergy
Intruder Alarm
10%inclusion1 decks10 decks
7%synergy
Aqueous Form
10%inclusion1 decks10 decks
4%synergy
Coastal Piracy
10%inclusion1 decks10 decks
5%synergy
Mystic Remora
10%inclusion1 decks10 decks
-16%synergy
Leyline of Anticipation
10%inclusion1 decks10 decks
2%synergy
Witness Protection
10%inclusion1 decks10 decks
5%synergy
Insight
10%inclusion1 decks10 decks
9%synergy
Public Enemy
10%inclusion1 decks10 decks
10%synergy
Copy Land
10%inclusion1 decks10 decks
9%synergy
Control Magic
10%inclusion1 decks10 decks
8%synergy
Telepathy
10%inclusion1 decks10 decks
8%synergy
Confiscate
10%inclusion1 decks10 decks
9%synergy
Combat Research
10%inclusion1 decks10 decks
8%synergy
Utility Lands
Reliquary Tower
60%inclusion6 decks10 decks
4%synergy
Three Tree City
60%inclusion6 decks10 decks
56%synergy
Mystic Sanctuary
50%inclusion5 decks10 decks
0%synergy
Nykthos, Shrine to Nyx
50%inclusion5 decks10 decks
33%synergy
Otawara, Soaring City
40%inclusion4 decks10 decks
14%synergy
Rogue's Passage
40%inclusion4 decks10 decks
24%synergy
Halimar Depths
30%inclusion3 decks10 decks
21%synergy
Castle Vantress
30%inclusion3 decks10 decks
12%synergy
Rivendell
20%inclusion2 decks10 decks
10%synergy
Mutavault
20%inclusion2 decks10 decks
19%synergy
War Room
20%inclusion2 decks10 decks
5%synergy
Lonely Sandbar
20%inclusion2 decks10 decks
7%synergy
Agna Qel'a
17%inclusion1 decks6 decks
9%synergy
Secret Tunnel
14%inclusion1 decks7 decks
13%synergy
Mistrise Village
11%inclusion1 decks9 decks
2%synergy
Minamo, School at Water's Edge
10%inclusion1 decks10 decks
-3%synergy
Archway of Innovation
10%inclusion1 decks10 decks
-1%synergy
Strip Mine
10%inclusion1 decks10 decks
7%synergy
Saprazzan Skerry
10%inclusion1 decks10 decks
7%synergy
Mana Artifacts
Sol Ring
90%inclusion9 decks10 decks
5%synergy
Arcane Signet
60%inclusion6 decks10 decks
-5%synergy
Patchwork Banner
50%inclusion5 decks10 decks
46%synergy
Thought Vessel
50%inclusion5 decks10 decks
-1%synergy
Heraldic Banner
40%inclusion4 decks10 decks
34%synergy
Sky Diamond
30%inclusion3 decks10 decks
8%synergy
Fellwar Stone
20%inclusion2 decks10 decks
0%synergy
Aetheric Amplifier
10%inclusion1 decks10 decks
9%synergy
Mind Stone
10%inclusion1 decks10 decks
-24%synergy
Lands
Island
100%inclusion10 decks10 decks
6%synergy
Path of Ancestry
40%inclusion4 decks10 decks
36%synergy
Cavern of Souls
30%inclusion3 decks10 decks
25%synergy
Myriad Landscape
20%inclusion2 decks10 decks
-4%synergy
Sink into Stupor
20%inclusion2 decks10 decks
-3%synergy
Glasspool Mimic
20%inclusion2 decks10 decks
13%synergy
Command Tower
10%inclusion1 decks10 decks
6%synergy
Heap Gate
10%inclusion1 decks10 decks
10%synergy
Gond Gate
10%inclusion1 decks10 decks
10%synergy
Sea Gate Restoration
10%inclusion1 decks10 decks
-5%synergy
Plaza of Harmony
10%inclusion1 decks10 decks
10%synergy
Evolving Wilds
10%inclusion1 decks10 decks
6%synergy
Abstergo Entertainment
10%inclusion1 decks10 decks
9%synergy
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