Svyelun of Sea and Sky (Commander) - Upgraded Aggro

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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Agna Qel'a
100%inclusion1 decks1 decks
92%synergy
Namor the Sub-Mariner
100%inclusion1 decks1 decks
100%synergy
Attuma, Atlantean Warlord
100%inclusion1 decks1 decks
99%synergy
Game Changers
Thassa's Oracle
67%inclusion2 decks3 decks
54%synergy
Rhystic Study
33%inclusion1 decks3 decks
0%synergy
Chrome Mox
33%inclusion1 decks3 decks
24%synergy
Creatures
Kopala, Warden of Waves
100%inclusion3 decks3 decks
99%synergy
Merrow Harbinger
100%inclusion3 decks3 decks
99%synergy
Stonybrook Banneret
100%inclusion3 decks3 decks
96%synergy
Vodalian Hexcatcher
100%inclusion3 decks3 decks
98%synergy
Merrow Reejerey
100%inclusion3 decks3 decks
98%synergy
Emperor Mihail II
100%inclusion3 decks3 decks
99%synergy
Master of the Pearl Trident
100%inclusion3 decks3 decks
98%synergy
Silvergill Adept
100%inclusion3 decks3 decks
99%synergy
Lord of Atlantis
100%inclusion3 decks3 decks
99%synergy
Seafloor Oracle
100%inclusion3 decks3 decks
99%synergy
Coralhelm Commander
67%inclusion2 decks3 decks
66%synergy
Seahunter
67%inclusion2 decks3 decks
66%synergy
Lullmage Mentor
67%inclusion2 decks3 decks
65%synergy
Mistcaller
67%inclusion2 decks3 decks
66%synergy
Harbinger of the Seas
67%inclusion2 decks3 decks
58%synergy
Cursecatcher
67%inclusion2 decks3 decks
65%synergy
Thada Adel, Acquisitor
67%inclusion2 decks3 decks
65%synergy
Mist Dancer
67%inclusion2 decks3 decks
66%synergy
Tide Shaper
67%inclusion2 decks3 decks
66%synergy
Sea Scryer
67%inclusion2 decks3 decks
66%synergy
Thieving Skydiver
67%inclusion2 decks3 decks
62%synergy
Summon: Leviathan
50%inclusion1 decks2 decks
48%synergy
Master of Waves
33%inclusion1 decks3 decks
30%synergy
Stormtide Leviathan
33%inclusion1 decks3 decks
26%synergy
Seasinger
33%inclusion1 decks3 decks
33%synergy
Merfolk Sovereign
33%inclusion1 decks3 decks
32%synergy
Tishana's Tidebinder
33%inclusion1 decks3 decks
29%synergy
Teferi, Mage of Zhalfir
33%inclusion1 decks3 decks
30%synergy
Wavebreak Hippocamp
33%inclusion1 decks3 decks
22%synergy
Phyrexian Metamorph
33%inclusion1 decks3 decks
15%synergy
Mindspring Merfolk
33%inclusion1 decks3 decks
33%synergy
Roaming Throne
33%inclusion1 decks3 decks
29%synergy
Rishadan Dockhand
33%inclusion1 decks3 decks
33%synergy
Floodpits Drowner
33%inclusion1 decks3 decks
32%synergy
Sigil Tracer
33%inclusion1 decks3 decks
32%synergy
Deepchannel Mentor
33%inclusion1 decks3 decks
32%synergy
Voracious Greatshark
33%inclusion1 decks3 decks
33%synergy
Streambed Aquitects
33%inclusion1 decks3 decks
33%synergy
River Sneak
33%inclusion1 decks3 decks
33%synergy
Rootwater Thief
33%inclusion1 decks3 decks
33%synergy
Thassa, God of the Sea
33%inclusion1 decks3 decks
30%synergy
Triton Shorestalker
33%inclusion1 decks3 decks
31%synergy
Mist-Cloaked Herald
33%inclusion1 decks3 decks
31%synergy
Forensic Researcher
33%inclusion1 decks3 decks
32%synergy
Rootwater Hunter
33%inclusion1 decks3 decks
33%synergy
Tidal Warrior
33%inclusion1 decks3 decks
33%synergy
Wanderwine Prophets
33%inclusion1 decks3 decks
33%synergy
Enduring Curiosity
33%inclusion1 decks3 decks
27%synergy
Defiler of Dreams
33%inclusion1 decks3 decks
25%synergy
Harbinger of the Tides
33%inclusion1 decks3 decks
32%synergy
Instants
Pongify
100%inclusion3 decks3 decks
60%synergy
Counterspell
100%inclusion3 decks3 decks
33%synergy
Rapid Hybridization
67%inclusion2 decks3 decks
32%synergy
Negate
67%inclusion2 decks3 decks
29%synergy
Thassa's Rebuff
67%inclusion2 decks3 decks
65%synergy
Disdainful Stroke
33%inclusion1 decks3 decks
28%synergy
Cyber Conversion
33%inclusion1 decks3 decks
30%synergy
Brainstorm
33%inclusion1 decks3 decks
-8%synergy
Flare of Denial
33%inclusion1 decks3 decks
27%synergy
Reality Shift
33%inclusion1 decks3 decks
6%synergy
Opt
33%inclusion1 decks3 decks
8%synergy
Mana Drain
33%inclusion1 decks3 decks
6%synergy
Aetherize
33%inclusion1 decks3 decks
4%synergy
Foil
33%inclusion1 decks3 decks
28%synergy
Resculpt
33%inclusion1 decks3 decks
15%synergy
Archmage's Charm
33%inclusion1 decks3 decks
17%synergy
Cryptic Command
33%inclusion1 decks3 decks
22%synergy
Wash Away
33%inclusion1 decks3 decks
29%synergy
Snap
33%inclusion1 decks3 decks
15%synergy
Pull from Tomorrow
33%inclusion1 decks3 decks
24%synergy
Sink into Stupor
33%inclusion1 decks3 decks
12%synergy
Unsubstantiate
33%inclusion1 decks3 decks
31%synergy
Mana Leak
33%inclusion1 decks3 decks
27%synergy
Visions of Beyond
33%inclusion1 decks3 decks
28%synergy
Annul
33%inclusion1 decks3 decks
31%synergy
Narset's Reversal
33%inclusion1 decks3 decks
21%synergy
High Tide
33%inclusion1 decks3 decks
-11%synergy
Suspend
33%inclusion1 decks3 decks
31%synergy
Sorceries
Consuming Tide
33%inclusion1 decks3 decks
30%synergy
Sea Gate Restoration
33%inclusion1 decks3 decks
19%synergy
Sleep
33%inclusion1 decks3 decks
32%synergy
Borrowing 100,000 Arrows
33%inclusion1 decks3 decks
32%synergy
Distant Melody
33%inclusion1 decks3 decks
28%synergy
Step Through
33%inclusion1 decks3 decks
28%synergy
Aquitect's Will
33%inclusion1 decks3 decks
28%synergy
Raise the Palisade
33%inclusion1 decks3 decks
30%synergy
Rite of Replication
33%inclusion1 decks3 decks
27%synergy
Utility Artifacts
Bident of Thassa
100%inclusion3 decks3 decks
88%synergy
Sapphire Medallion
100%inclusion3 decks3 decks
42%synergy
Quicksilver Fountain
33%inclusion1 decks3 decks
32%synergy
The Indomitable
33%inclusion1 decks3 decks
31%synergy
Relic of Progenitus
33%inclusion1 decks3 decks
32%synergy
Banner of Kinship
33%inclusion1 decks3 decks
31%synergy
Vanquisher's Banner
33%inclusion1 decks3 decks
32%synergy
Sting, the Glinting Dagger
33%inclusion1 decks3 decks
32%synergy
Door of Destinies
33%inclusion1 decks3 decks
33%synergy
Horn of the Mark
33%inclusion1 decks3 decks
33%synergy
Kefnet's Monument
33%inclusion1 decks3 decks
27%synergy
Lightning Greaves
33%inclusion1 decks3 decks
7%synergy
Sword of Feast and Famine
33%inclusion1 decks3 decks
32%synergy
Sword of the Animist
33%inclusion1 decks3 decks
28%synergy
Enchantments
Deeproot Pilgrimage
100%inclusion3 decks3 decks
98%synergy
Kindred Discovery
67%inclusion2 decks3 decks
60%synergy
Reconnaissance Mission
67%inclusion2 decks3 decks
60%synergy
Merrow Commerce
67%inclusion2 decks3 decks
66%synergy
Spreading Seas
67%inclusion2 decks3 decks
66%synergy
Reflections of Littjara
67%inclusion2 decks3 decks
63%synergy
Intruder Alarm
33%inclusion1 decks3 decks
30%synergy
Curiosity
33%inclusion1 decks3 decks
31%synergy
Wizard Class
33%inclusion1 decks3 decks
16%synergy
Ominous Seas
33%inclusion1 decks3 decks
22%synergy
Coastal Piracy
33%inclusion1 decks3 decks
29%synergy
Mystic Remora
33%inclusion1 decks3 decks
6%synergy
Deeproot Waters
33%inclusion1 decks3 decks
32%synergy
Leyline of Anticipation
33%inclusion1 decks3 decks
24%synergy
Sea's Claim
33%inclusion1 decks3 decks
33%synergy
Utility Lands
Mystic Sanctuary
100%inclusion3 decks3 decks
49%synergy
Mutavault
67%inclusion2 decks3 decks
66%synergy
Lonely Sandbar
67%inclusion2 decks3 decks
52%synergy
Faerie Conclave
33%inclusion1 decks3 decks
32%synergy
Minamo, School at Water's Edge
33%inclusion1 decks3 decks
21%synergy
Remote Isle
33%inclusion1 decks3 decks
28%synergy
Rivendell
33%inclusion1 decks3 decks
22%synergy
Maze of Ith
33%inclusion1 decks3 decks
28%synergy
Halimar Depths
33%inclusion1 decks3 decks
23%synergy
Riptide Laboratory
33%inclusion1 decks3 decks
23%synergy
Scavenger Grounds
33%inclusion1 decks3 decks
26%synergy
War Room
33%inclusion1 decks3 decks
17%synergy
Emergence Zone
33%inclusion1 decks3 decks
29%synergy
Nykthos, Shrine to Nyx
33%inclusion1 decks3 decks
17%synergy
Muraganda Raceway
33%inclusion1 decks3 decks
31%synergy
Archway of Innovation
33%inclusion1 decks3 decks
23%synergy
Reliquary Tower
33%inclusion1 decks3 decks
-23%synergy
Castle Vantress
33%inclusion1 decks3 decks
14%synergy
Three Tree City
33%inclusion1 decks3 decks
30%synergy
The Surgical Bay
33%inclusion1 decks3 decks
32%synergy
Access Tunnel
33%inclusion1 decks3 decks
32%synergy
Amonkhet Raceway
33%inclusion1 decks3 decks
32%synergy
Mana Artifacts
Arcane Signet
100%inclusion3 decks3 decks
35%synergy
Sky Diamond
67%inclusion2 decks3 decks
43%synergy
Sol Ring
67%inclusion2 decks3 decks
-19%synergy
Fellwar Stone
67%inclusion2 decks3 decks
47%synergy
Caged Sun
33%inclusion1 decks3 decks
22%synergy
Heraldic Banner
33%inclusion1 decks3 decks
28%synergy
Moonsnare Prototype
33%inclusion1 decks3 decks
31%synergy
Star Compass
33%inclusion1 decks3 decks
32%synergy
Springleaf Drum
33%inclusion1 decks3 decks
30%synergy
Mind Stone
33%inclusion1 decks3 decks
-3%synergy
Misleading Signpost
33%inclusion1 decks3 decks
29%synergy
Lands
Island
100%inclusion3 decks3 decks
7%synergy
Path of Ancestry
67%inclusion2 decks3 decks
63%synergy
Fabled Passage
33%inclusion1 decks3 decks
30%synergy
Myriad Landscape
33%inclusion1 decks3 decks
7%synergy
Urza's Cave
33%inclusion1 decks3 decks
29%synergy
Sea Gate Restoration
33%inclusion1 decks3 decks
19%synergy
Cavern of Souls
33%inclusion1 decks3 decks
29%synergy
Demolition Field
33%inclusion1 decks3 decks
28%synergy
Opal Palace
33%inclusion1 decks3 decks
33%synergy
Sink into Stupor
33%inclusion1 decks3 decks
12%synergy
Glasspool Mimic
33%inclusion1 decks3 decks
27%synergy
Abstergo Entertainment
33%inclusion1 decks3 decks
32%synergy
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