Svyelun of Sea and Sky (Commander) - Expensive 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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Rhystic Study
67%inclusion2 decks3 decks
33%synergy
Mana Vault
67%inclusion2 decks3 decks
56%synergy
Cyclonic Rift
67%inclusion2 decks3 decks
32%synergy
Ancient Tomb
33%inclusion1 decks3 decks
21%synergy
Thassa's Oracle
33%inclusion1 decks3 decks
20%synergy
The One Ring
33%inclusion1 decks3 decks
21%synergy
Force of Will
33%inclusion1 decks3 decks
16%synergy
Fierce Guardianship
33%inclusion1 decks3 decks
10%synergy
Chrome Mox
33%inclusion1 decks3 decks
24%synergy
Mox Diamond
33%inclusion1 decks3 decks
28%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
Tishana's Tidebinder
100%inclusion3 decks3 decks
95%synergy
Merfolk Sovereign
100%inclusion3 decks3 decks
98%synergy
Kiora, the Rising Tide
100%inclusion1 decks1 decks
97%synergy
Vodalian Hexcatcher
100%inclusion3 decks3 decks
99%synergy
Deepchannel Mentor
100%inclusion3 decks3 decks
99%synergy
Merrow Reejerey
100%inclusion3 decks3 decks
98%synergy
Emperor Mihail II
100%inclusion3 decks3 decks
99%synergy
Lullmage Mentor
100%inclusion3 decks3 decks
98%synergy
Thieving Skydiver
100%inclusion3 decks3 decks
96%synergy
Harbinger of the Tides
100%inclusion3 decks3 decks
99%synergy
Master of the Pearl Trident
100%inclusion3 decks3 decks
98%synergy
Thada Adel, Acquisitor
100%inclusion3 decks3 decks
98%synergy
Lord of Atlantis
100%inclusion3 decks3 decks
99%synergy
Tide Shaper
100%inclusion3 decks3 decks
99%synergy
Merfolk Trickster
100%inclusion3 decks3 decks
98%synergy
Seafloor Oracle
100%inclusion3 decks3 decks
99%synergy
True-Name Nemesis
67%inclusion2 decks3 decks
66%synergy
Mist-Cloaked Herald
67%inclusion2 decks3 decks
64%synergy
Surgespanner
67%inclusion2 decks3 decks
66%synergy
Wanderwine Prophets
67%inclusion2 decks3 decks
66%synergy
Triton Shorestalker
67%inclusion2 decks3 decks
64%synergy
Harbinger of the Seas
67%inclusion2 decks3 decks
58%synergy
Cursecatcher
67%inclusion2 decks3 decks
65%synergy
Tempest Caller
67%inclusion2 decks3 decks
66%synergy
Mist Dancer
67%inclusion2 decks3 decks
66%synergy
Silvergill Adept
67%inclusion2 decks3 decks
66%synergy
Gray Harbor Merfolk
67%inclusion2 decks3 decks
66%synergy
Eluge, the Shoreless Sea
50%inclusion1 decks2 decks
42%synergy
Master of Waves
33%inclusion1 decks3 decks
30%synergy
Trophy Mage
33%inclusion1 decks3 decks
26%synergy
Coralhelm Commander
33%inclusion1 decks3 decks
33%synergy
Metallic Mimic
33%inclusion1 decks3 decks
32%synergy
Roaming Throne
33%inclusion1 decks3 decks
29%synergy
Cosi's Trickster
33%inclusion1 decks3 decks
33%synergy
Rishadan Dockhand
33%inclusion1 decks3 decks
33%synergy
Sigil Tracer
33%inclusion1 decks3 decks
32%synergy
Hydroelectric Specimen
33%inclusion1 decks3 decks
20%synergy
Merfolk Looter
33%inclusion1 decks3 decks
31%synergy
Thassa, God of the Sea
33%inclusion1 decks3 decks
30%synergy
Empress Galina
33%inclusion1 decks3 decks
32%synergy
The Reality Chip
33%inclusion1 decks3 decks
20%synergy
Mistcaller
33%inclusion1 decks3 decks
32%synergy
Benthic Biomancer
33%inclusion1 decks3 decks
32%synergy
Glasspool Mimic
33%inclusion1 decks3 decks
27%synergy
Wake Thrasher
33%inclusion1 decks3 decks
33%synergy
Sage of Fables
33%inclusion1 decks3 decks
33%synergy
Titan of Littjara
33%inclusion1 decks3 decks
31%synergy
Instants
Cryptic Command
100%inclusion3 decks3 decks
89%synergy
Mana Drain
67%inclusion2 decks3 decks
40%synergy
Flusterstorm
67%inclusion2 decks3 decks
57%synergy
Swan Song
67%inclusion2 decks3 decks
41%synergy
Counterspell
67%inclusion2 decks3 decks
0%synergy
Pongify
33%inclusion1 decks3 decks
-7%synergy
Rapid Hybridization
33%inclusion1 decks3 decks
-1%synergy
An Offer You Can't Refuse
33%inclusion1 decks3 decks
-3%synergy
Frantic Search
33%inclusion1 decks3 decks
4%synergy
Mental Misstep
33%inclusion1 decks3 decks
26%synergy
Negate
33%inclusion1 decks3 decks
-5%synergy
Flare of Denial
33%inclusion1 decks3 decks
27%synergy
Filter Out
33%inclusion1 decks3 decks
29%synergy
Mystic Reflection
33%inclusion1 decks3 decks
31%synergy
Sink into Stupor
33%inclusion1 decks3 decks
12%synergy
Aetherize
33%inclusion1 decks3 decks
5%synergy
Strix Serenade
33%inclusion1 decks3 decks
24%synergy
Resculpt
33%inclusion1 decks3 decks
14%synergy
Archmage's Charm
33%inclusion1 decks3 decks
17%synergy
Lazotep Plating
33%inclusion1 decks3 decks
30%synergy
Whirlwind Denial
33%inclusion1 decks3 decks
32%synergy
Mana Leak
33%inclusion1 decks3 decks
27%synergy
Mystic Confluence
33%inclusion1 decks3 decks
24%synergy
High Tide
33%inclusion1 decks3 decks
-11%synergy
Mystical Tutor
33%inclusion1 decks3 decks
9%synergy
Sorceries
Raise the Palisade
67%inclusion2 decks3 decks
64%synergy
Windfall
33%inclusion1 decks3 decks
10%synergy
Sea Gate Restoration
33%inclusion1 decks3 decks
19%synergy
Aquitect's Will
33%inclusion1 decks3 decks
28%synergy
Distant Melody
33%inclusion1 decks3 decks
28%synergy
Timetwister
33%inclusion1 decks3 decks
31%synergy
Time Spiral
33%inclusion1 decks3 decks
32%synergy
Rite of Replication
33%inclusion1 decks3 decks
27%synergy
Utility Artifacts
Sapphire Medallion
100%inclusion3 decks3 decks
43%synergy
Quicksilver Fountain
67%inclusion2 decks3 decks
65%synergy
Kefnet's Monument
67%inclusion2 decks3 decks
60%synergy
Bident of Thassa
67%inclusion2 decks3 decks
55%synergy
Pip-Boy 3000
33%inclusion1 decks3 decks
33%synergy
The Indomitable
33%inclusion1 decks3 decks
31%synergy
Sword of Fire and Ice
33%inclusion1 decks3 decks
33%synergy
Cauldron of Souls
33%inclusion1 decks3 decks
33%synergy
Sword of the Animist
33%inclusion1 decks3 decks
28%synergy
Sword of Hearth and Home
33%inclusion1 decks3 decks
31%synergy
Herald's Horn
33%inclusion1 decks3 decks
31%synergy
Sword of Forge and Frontier
33%inclusion1 decks3 decks
33%synergy
Eldrazi Monument
33%inclusion1 decks3 decks
32%synergy
Swiftfoot Boots
33%inclusion1 decks3 decks
5%synergy
Lightning Greaves
33%inclusion1 decks3 decks
7%synergy
Commander's Plate
33%inclusion1 decks3 decks
29%synergy
Sword of Feast and Famine
33%inclusion1 decks3 decks
32%synergy
Aether Vial
33%inclusion1 decks3 decks
33%synergy
Enchantments
Kindred Discovery
100%inclusion3 decks3 decks
93%synergy
Reconnaissance Mission
67%inclusion2 decks3 decks
60%synergy
Deeproot Pilgrimage
67%inclusion2 decks3 decks
65%synergy
Imprisoned in the Moon
67%inclusion2 decks3 decks
55%synergy
Deeproot Waters
67%inclusion2 decks3 decks
65%synergy
Merrow Commerce
67%inclusion2 decks3 decks
66%synergy
Military Intelligence
33%inclusion1 decks3 decks
32%synergy
Coastal Piracy
33%inclusion1 decks3 decks
29%synergy
Utility Lands
Nykthos, Shrine to Nyx
100%inclusion3 decks3 decks
84%synergy
Otawara, Soaring City
100%inclusion3 decks3 decks
75%synergy
Minamo, School at Water's Edge
67%inclusion2 decks3 decks
55%synergy
Mystic Sanctuary
67%inclusion2 decks3 decks
16%synergy
Urza's Saga
67%inclusion2 decks3 decks
50%synergy
Scavenger Grounds
67%inclusion2 decks3 decks
59%synergy
Mutavault
67%inclusion2 decks3 decks
66%synergy
Three Tree City
50%inclusion1 decks2 decks
47%synergy
Wasteland
33%inclusion1 decks3 decks
32%synergy
Hall of Storm Giants
33%inclusion1 decks3 decks
31%synergy
Boseiju, Who Shelters All
33%inclusion1 decks3 decks
32%synergy
Maze of Ith
33%inclusion1 decks3 decks
28%synergy
Winding Canyons
33%inclusion1 decks3 decks
33%synergy
War Room
33%inclusion1 decks3 decks
17%synergy
Homeward Path
33%inclusion1 decks3 decks
32%synergy
Strip Mine
33%inclusion1 decks3 decks
30%synergy
Mana Artifacts
Arcane Signet
67%inclusion2 decks3 decks
2%synergy
Sol Ring
67%inclusion2 decks3 decks
-19%synergy
Patchwork Banner
50%inclusion1 decks2 decks
47%synergy
Jeweled Lotus
33%inclusion1 decks3 decks
30%synergy
Mana Crypt
33%inclusion1 decks3 decks
30%synergy
Mox Amber
33%inclusion1 decks3 decks
26%synergy
Fellwar Stone
33%inclusion1 decks3 decks
13%synergy
Thought Vessel
33%inclusion1 decks3 decks
-18%synergy
Extraplanar Lens
33%inclusion1 decks3 decks
25%synergy
Lands
Cavern of Souls
100%inclusion3 decks3 decks
95%synergy
Island
67%inclusion2 decks3 decks
-27%synergy
Misty Rainforest
33%inclusion1 decks3 decks
25%synergy
Myriad Landscape
33%inclusion1 decks3 decks
7%synergy
Sea Gate Restoration
33%inclusion1 decks3 decks
19%synergy
Hydroelectric Specimen
33%inclusion1 decks3 decks
20%synergy
Snow-Covered Island
33%inclusion1 decks3 decks
25%synergy
Sink into Stupor
33%inclusion1 decks3 decks
12%synergy
Scalding Tarn
33%inclusion1 decks3 decks
25%synergy
Demolition Field
33%inclusion1 decks3 decks
28%synergy
Gemstone Caverns
33%inclusion1 decks3 decks
27%synergy
Glasspool Mimic
33%inclusion1 decks3 decks
27%synergy
Flooded Strand
33%inclusion1 decks3 decks
25%synergy
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