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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Silvergill Adept
100%inclusion4 decks4 decks
99%synergy
Coralhelm Commander
100%inclusion4 decks4 decks
99%synergy
Emperor Mihail II
100%inclusion4 decks4 decks
99%synergy
Merrow Commerce
100%inclusion4 decks4 decks
99%synergy
Merrow Harbinger
100%inclusion4 decks4 decks
99%synergy
Lord of Atlantis
100%inclusion4 decks4 decks
99%synergy
Seafloor Oracle
100%inclusion4 decks4 decks
99%synergy
Kopala, Warden of Waves
100%inclusion4 decks4 decks
99%synergy
Vodalian Hexcatcher
100%inclusion4 decks4 decks
98%synergy
Merrow Reejerey
100%inclusion4 decks4 decks
98%synergy
Top Cards
Stonybrook Banneret
100%inclusion4 decks4 decks
96%synergy
Master of the Pearl Trident
100%inclusion4 decks4 decks
98%synergy
Counterspell
100%inclusion4 decks4 decks
33%synergy
Bident of Thassa
100%inclusion4 decks4 decks
88%synergy
Sapphire Medallion
100%inclusion4 decks4 decks
44%synergy
Game Changers
Thassa's Oracle
25%inclusion1 decks4 decks
12%synergy
Creatures
Merfolk Sovereign
75%inclusion3 decks4 decks
73%synergy
Tishana's Tidebinder
75%inclusion3 decks4 decks
70%synergy
Sigil Tracer
75%inclusion3 decks4 decks
74%synergy
Lullmage Mentor
75%inclusion3 decks4 decks
73%synergy
Harbinger of the Seas
75%inclusion3 decks4 decks
66%synergy
Harbinger of the Tides
75%inclusion3 decks4 decks
74%synergy
Tempest Caller
75%inclusion3 decks4 decks
74%synergy
Mist Dancer
75%inclusion3 decks4 decks
74%synergy
Tide Shaper
75%inclusion3 decks4 decks
74%synergy
Thieving Skydiver
75%inclusion3 decks4 decks
71%synergy
True-Name Nemesis
50%inclusion2 decks4 decks
49%synergy
Stormtide Leviathan
50%inclusion2 decks4 decks
43%synergy
Deepchannel Mentor
50%inclusion2 decks4 decks
49%synergy
Hydroelectric Specimen
50%inclusion2 decks4 decks
37%synergy
Streambed Aquitects
50%inclusion2 decks4 decks
49%synergy
River Sneak
50%inclusion2 decks4 decks
49%synergy
Thassa, God of the Sea
50%inclusion2 decks4 decks
46%synergy
Triton Shorestalker
50%inclusion2 decks4 decks
48%synergy
Mist-Cloaked Herald
50%inclusion2 decks4 decks
48%synergy
Mistcaller
50%inclusion2 decks4 decks
49%synergy
Enduring Curiosity
50%inclusion2 decks4 decks
44%synergy
Cursecatcher
50%inclusion2 decks4 decks
48%synergy
Thada Adel, Acquisitor
50%inclusion2 decks4 decks
48%synergy
Fallowsage
50%inclusion2 decks4 decks
49%synergy
Glasspool Mimic
50%inclusion2 decks4 decks
44%synergy
Gray Harbor Merfolk
50%inclusion2 decks4 decks
50%synergy
Sea Scryer
50%inclusion2 decks4 decks
49%synergy
Wake Thrasher
50%inclusion2 decks4 decks
49%synergy
Merfolk Trickster
50%inclusion2 decks4 decks
48%synergy
Seasinger
25%inclusion1 decks4 decks
25%synergy
Teferi, Mage of Zhalfir
25%inclusion1 decks4 decks
21%synergy
Wavebreak Hippocamp
25%inclusion1 decks4 decks
14%synergy
Cosi's Trickster
25%inclusion1 decks4 decks
24%synergy
Rishadan Dockhand
25%inclusion1 decks4 decks
24%synergy
Surgespanner
25%inclusion1 decks4 decks
25%synergy
Floodpits Drowner
25%inclusion1 decks4 decks
24%synergy
Merfolk Wayfinder
25%inclusion1 decks4 decks
25%synergy
Reef Shaman
25%inclusion1 decks4 decks
25%synergy
Seahunter
25%inclusion1 decks4 decks
24%synergy
Kiora, the Rising Tide
25%inclusion1 decks4 decks
22%synergy
Voracious Greatshark
25%inclusion1 decks4 decks
24%synergy
Rootwater Thief
25%inclusion1 decks4 decks
25%synergy
Umara Wizard
25%inclusion1 decks4 decks
25%synergy
Slinn Voda, the Rising Deep
25%inclusion1 decks4 decks
24%synergy
Rootwater Hunter
25%inclusion1 decks4 decks
25%synergy
Wanderwine Prophets
25%inclusion1 decks4 decks
24%synergy
Drowner of Secrets
25%inclusion1 decks4 decks
25%synergy
Vodalian Illusionist
25%inclusion1 decks4 decks
24%synergy
Tidal Courier
25%inclusion1 decks4 decks
25%synergy
Phantasmal Image
25%inclusion1 decks4 decks
19%synergy
Instants
Negate
75%inclusion3 decks4 decks
36%synergy
Pongify
50%inclusion2 decks4 decks
10%synergy
Reality Shift
50%inclusion2 decks4 decks
22%synergy
Archmage's Charm
50%inclusion2 decks4 decks
34%synergy
Cryptic Command
50%inclusion2 decks4 decks
39%synergy
Sink into Stupor
50%inclusion2 decks4 decks
29%synergy
Mana Leak
50%inclusion2 decks4 decks
43%synergy
High Tide
50%inclusion2 decks4 decks
6%synergy
Rapid Hybridization
25%inclusion1 decks4 decks
-9%synergy
Disdainful Stroke
25%inclusion1 decks4 decks
20%synergy
Frantic Search
25%inclusion1 decks4 decks
-4%synergy
An Offer You Can't Refuse
25%inclusion1 decks4 decks
-11%synergy
Brainstorm
25%inclusion1 decks4 decks
-16%synergy
Flare of Denial
25%inclusion1 decks4 decks
18%synergy
Opt
25%inclusion1 decks4 decks
0%synergy
Pale Moon
25%inclusion1 decks4 decks
25%synergy
Aetherize
25%inclusion1 decks4 decks
-3%synergy
Resculpt
25%inclusion1 decks4 decks
5%synergy
Swan Song
25%inclusion1 decks4 decks
-1%synergy
Engulf the Shore
25%inclusion1 decks4 decks
16%synergy
Wash Away
25%inclusion1 decks4 decks
20%synergy
Snap
25%inclusion1 decks4 decks
7%synergy
Pull from Tomorrow
25%inclusion1 decks4 decks
16%synergy
Whirlwind Denial
25%inclusion1 decks4 decks
23%synergy
Thassa's Rebuff
25%inclusion1 decks4 decks
24%synergy
Unsubstantiate
25%inclusion1 decks4 decks
22%synergy
Visions of Beyond
25%inclusion1 decks4 decks
20%synergy
Annul
25%inclusion1 decks4 decks
23%synergy
Narset's Reversal
25%inclusion1 decks4 decks
13%synergy
Suspend
25%inclusion1 decks4 decks
23%synergy
Sorceries
Distant Melody
50%inclusion2 decks4 decks
45%synergy
Windfall
25%inclusion1 decks4 decks
2%synergy
Consuming Tide
25%inclusion1 decks4 decks
22%synergy
Sea Gate Restoration
25%inclusion1 decks4 decks
11%synergy
Sleep
25%inclusion1 decks4 decks
23%synergy
Borrowing 100,000 Arrows
25%inclusion1 decks4 decks
24%synergy
Spectral Deluge
25%inclusion1 decks4 decks
14%synergy
Timetwister
25%inclusion1 decks4 decks
23%synergy
Time Spiral
25%inclusion1 decks4 decks
23%synergy
Aquitect's Will
25%inclusion1 decks4 decks
20%synergy
Raise the Palisade
25%inclusion1 decks4 decks
22%synergy
Utility Artifacts
Kefnet's Monument
75%inclusion3 decks4 decks
68%synergy
Quicksilver Fountain
25%inclusion1 decks4 decks
23%synergy
Relic of Progenitus
25%inclusion1 decks4 decks
24%synergy
Banner of Kinship
25%inclusion1 decks4 decks
23%synergy
Vanquisher's Banner
25%inclusion1 decks4 decks
24%synergy
Door of Destinies
25%inclusion1 decks4 decks
24%synergy
Winter Moon
25%inclusion1 decks4 decks
20%synergy
Herald's Horn
25%inclusion1 decks4 decks
23%synergy
Swiftfoot Boots
25%inclusion1 decks4 decks
-3%synergy
Lightning Greaves
25%inclusion1 decks4 decks
-1%synergy
Throne of the God-Pharaoh
25%inclusion1 decks4 decks
24%synergy
Enchantments
Deeproot Pilgrimage
75%inclusion3 decks4 decks
74%synergy
Kindred Discovery
50%inclusion2 decks4 decks
43%synergy
Reconnaissance Mission
50%inclusion2 decks4 decks
43%synergy
Coastal Piracy
50%inclusion2 decks4 decks
46%synergy
Deeproot Waters
50%inclusion2 decks4 decks
49%synergy
Spreading Seas
50%inclusion2 decks4 decks
49%synergy
Back to Basics
25%inclusion1 decks4 decks
17%synergy
Intruder Alarm
25%inclusion1 decks4 decks
22%synergy
Curiosity
25%inclusion1 decks4 decks
22%synergy
Wizard Class
25%inclusion1 decks4 decks
9%synergy
Military Intelligence
25%inclusion1 decks4 decks
24%synergy
Ominous Seas
25%inclusion1 decks4 decks
14%synergy
Leyline of Anticipation
25%inclusion1 decks4 decks
15%synergy
Opposition
25%inclusion1 decks4 decks
24%synergy
Reflections of Littjara
25%inclusion1 decks4 decks
21%synergy
Sea's Claim
25%inclusion1 decks4 decks
25%synergy
Utility Lands
Mystic Sanctuary
100%inclusion4 decks4 decks
49%synergy
Scavenger Grounds
75%inclusion3 decks4 decks
68%synergy
Minamo, School at Water's Edge
50%inclusion2 decks4 decks
38%synergy
Mutavault
50%inclusion2 decks4 decks
49%synergy
War Room
50%inclusion2 decks4 decks
34%synergy
Lonely Sandbar
50%inclusion2 decks4 decks
35%synergy
Reliquary Tower
50%inclusion2 decks4 decks
-6%synergy
Hall of Storm Giants
25%inclusion1 decks4 decks
22%synergy
Wasteland
25%inclusion1 decks4 decks
24%synergy
Faerie Conclave
25%inclusion1 decks4 decks
23%synergy
Remote Isle
25%inclusion1 decks4 decks
20%synergy
Rivendell
25%inclusion1 decks4 decks
13%synergy
Maze of Ith
25%inclusion1 decks4 decks
20%synergy
Halimar Depths
25%inclusion1 decks4 decks
15%synergy
Riptide Laboratory
25%inclusion1 decks4 decks
14%synergy
Emergence Zone
25%inclusion1 decks4 decks
21%synergy
Nykthos, Shrine to Nyx
25%inclusion1 decks4 decks
9%synergy
Archway of Innovation
25%inclusion1 decks4 decks
14%synergy
Sunken Palace
25%inclusion1 decks4 decks
21%synergy
Castle Vantress
25%inclusion1 decks4 decks
6%synergy
The Surgical Bay
25%inclusion1 decks4 decks
23%synergy
Otawara, Soaring City
25%inclusion1 decks4 decks
0%synergy
Access Tunnel
25%inclusion1 decks4 decks
24%synergy
Mana Artifacts
Arcane Signet
75%inclusion3 decks4 decks
10%synergy
Sky Diamond
50%inclusion2 decks4 decks
26%synergy
Heraldic Banner
50%inclusion2 decks4 decks
44%synergy
Patchwork Banner
50%inclusion2 decks4 decks
47%synergy
Sol Ring
50%inclusion2 decks4 decks
-36%synergy
Thought Vessel
50%inclusion2 decks4 decks
-2%synergy
Fellwar Stone
25%inclusion1 decks4 decks
5%synergy
Star Compass
25%inclusion1 decks4 decks
23%synergy
Mind Stone
25%inclusion1 decks4 decks
-12%synergy
Misleading Signpost
25%inclusion1 decks4 decks
21%synergy
Lands
Island
100%inclusion4 decks4 decks
7%synergy
Path of Ancestry
75%inclusion3 decks4 decks
71%synergy
Myriad Landscape
50%inclusion2 decks4 decks
23%synergy
Hydroelectric Specimen
50%inclusion2 decks4 decks
37%synergy
Sink into Stupor
50%inclusion2 decks4 decks
29%synergy
Glasspool Mimic
50%inclusion2 decks4 decks
44%synergy
Sea Gate Restoration
25%inclusion1 decks4 decks
11%synergy
Umara Wizard
25%inclusion1 decks4 decks
25%synergy
Cavern of Souls
25%inclusion1 decks4 decks
20%synergy
Demolition Field
25%inclusion1 decks4 decks
20%synergy
Opal Palace
25%inclusion1 decks4 decks
24%synergy
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