Svyelun of Sea and Sky (Commander) - Budget Upgraded

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
20%inclusion1 decks5 decks
12%synergy
High Synergy Cards
Seafloor Oracle
100%inclusion7 decks7 decks
99%synergy
Merrow Reejerey
100%inclusion7 decks7 decks
98%synergy
Silvergill Adept
86%inclusion6 decks7 decks
85%synergy
Emperor Mihail II
86%inclusion6 decks7 decks
85%synergy
Merrow Harbinger
86%inclusion6 decks7 decks
85%synergy
Lord of Atlantis
86%inclusion6 decks7 decks
84%synergy
Merfolk Trickster
86%inclusion6 decks7 decks
84%synergy
Vodalian Hexcatcher
86%inclusion6 decks7 decks
84%synergy
Merfolk Sovereign
86%inclusion6 decks7 decks
84%synergy
Master of the Pearl Trident
86%inclusion6 decks7 decks
84%synergy
Top Cards
Stonybrook Banneret
86%inclusion6 decks7 decks
82%synergy
Bident of Thassa
86%inclusion6 decks7 decks
74%synergy
Counterspell
86%inclusion6 decks7 decks
19%synergy
Kopala, Warden of Waves
71%inclusion5 decks7 decks
70%synergy
Pongify
71%inclusion5 decks7 decks
31%synergy
Negate
71%inclusion5 decks7 decks
33%synergy
Deeproot Pilgrimage
71%inclusion5 decks7 decks
70%synergy
Triton Shorestalker
71%inclusion5 decks7 decks
69%synergy
Merrow Commerce
71%inclusion5 decks7 decks
70%synergy
Tempest Caller
71%inclusion5 decks7 decks
70%synergy
Creatures
Tide Shaper
71%inclusion5 decks7 decks
70%synergy
Thieving Skydiver
71%inclusion5 decks7 decks
67%synergy
Coralhelm Commander
57%inclusion4 decks7 decks
56%synergy
Tideshaper Mystic
57%inclusion4 decks7 decks
57%synergy
Reef Shaman
57%inclusion4 decks7 decks
57%synergy
Deepchannel Mentor
57%inclusion4 decks7 decks
56%synergy
Mist-Cloaked Herald
57%inclusion4 decks7 decks
55%synergy
Lullmage Mentor
57%inclusion4 decks7 decks
56%synergy
Tidal Warrior
57%inclusion4 decks7 decks
57%synergy
Harbinger of the Tides
57%inclusion4 decks7 decks
56%synergy
Mist Dancer
57%inclusion4 decks7 decks
56%synergy
River Sneak
57%inclusion4 decks7 decks
56%synergy
Gray Harbor Merfolk
57%inclusion4 decks7 decks
57%synergy
Tishana's Tidebinder
43%inclusion3 decks7 decks
38%synergy
Rishadan Dockhand
43%inclusion3 decks7 decks
42%synergy
Streambed Aquitects
43%inclusion3 decks7 decks
42%synergy
Cosi's Trickster
43%inclusion3 decks7 decks
42%synergy
Surgespanner
43%inclusion3 decks7 decks
42%synergy
Benthic Biomancer
43%inclusion3 decks7 decks
42%synergy
Cursecatcher
43%inclusion3 decks7 decks
41%synergy
Enclave Cryptologist
43%inclusion3 decks7 decks
42%synergy
Wake Thrasher
43%inclusion3 decks7 decks
42%synergy
True-Name Nemesis
29%inclusion2 decks7 decks
28%synergy
Stormtide Leviathan
29%inclusion2 decks7 decks
22%synergy
Master of Waves
29%inclusion2 decks7 decks
25%synergy
Merfolk Raiders
29%inclusion2 decks7 decks
29%synergy
Mindspring Merfolk
29%inclusion2 decks7 decks
28%synergy
Adaptive Automaton
29%inclusion2 decks7 decks
27%synergy
Hydroelectric Specimen
29%inclusion2 decks7 decks
15%synergy
Scroll Thief
29%inclusion2 decks7 decks
28%synergy
Mistcaller
29%inclusion2 decks7 decks
28%synergy
Alandra, Sky Dreamer
29%inclusion2 decks7 decks
22%synergy
Thada Adel, Acquisitor
29%inclusion2 decks7 decks
27%synergy
Deeptread Merrow
29%inclusion2 decks7 decks
29%synergy
Merfolk Windrobber
29%inclusion2 decks7 decks
28%synergy
Kiora, the Rising Tide
29%inclusion2 decks7 decks
25%synergy
Rootwater Commando
29%inclusion2 decks7 decks
28%synergy
Harbinger of the Seas
29%inclusion2 decks7 decks
20%synergy
Merfolk Seastalkers
29%inclusion2 decks7 decks
29%synergy
Summon: Leviathan
17%inclusion1 decks6 decks
15%synergy
River Herald Scout
14%inclusion1 decks7 decks
14%synergy
Towering-Wave Mystic
14%inclusion1 decks7 decks
14%synergy
Seasinger
14%inclusion1 decks7 decks
14%synergy
Whirlpool Rider
14%inclusion1 decks7 decks
14%synergy
Metallic Mimic
14%inclusion1 decks7 decks
13%synergy
Sea-Dasher Octopus
14%inclusion1 decks7 decks
13%synergy
Psychosis Crawler
14%inclusion1 decks7 decks
0%synergy
Soothsayer Adept
14%inclusion1 decks7 decks
14%synergy
Herald of Secret Streams
14%inclusion1 decks7 decks
13%synergy
Paragon of Gathering Mists
14%inclusion1 decks7 decks
14%synergy
Instants
An Offer You Can't Refuse
43%inclusion3 decks7 decks
6%synergy
Flow of Knowledge
43%inclusion3 decks7 decks
27%synergy
Rapid Hybridization
29%inclusion2 decks7 decks
-6%synergy
Mizzium Skin
29%inclusion2 decks7 decks
27%synergy
Frantic Search
29%inclusion2 decks7 decks
-1%synergy
Reality Shift
29%inclusion2 decks7 decks
1%synergy
Aetherize
29%inclusion2 decks7 decks
0%synergy
Thassa's Rebuff
29%inclusion2 decks7 decks
27%synergy
High Tide
29%inclusion2 decks7 decks
-16%synergy
Abjure
29%inclusion2 decks7 decks
24%synergy
Resculpt
29%inclusion2 decks7 decks
10%synergy
Piracy Charm
29%inclusion2 decks7 decks
28%synergy
String of Disappearances
14%inclusion1 decks7 decks
14%synergy
Brainstorm
14%inclusion1 decks7 decks
-27%synergy
Leadership Vacuum
14%inclusion1 decks7 decks
13%synergy
Defabricate
14%inclusion1 decks7 decks
12%synergy
Opt
14%inclusion1 decks7 decks
-11%synergy
Foil
14%inclusion1 decks7 decks
8%synergy
Slip Out the Back
14%inclusion1 decks7 decks
7%synergy
Bane's Contingency
14%inclusion1 decks7 decks
12%synergy
Unsummon
14%inclusion1 decks7 decks
10%synergy
Perplexing Test
14%inclusion1 decks7 decks
11%synergy
Disallow
14%inclusion1 decks7 decks
7%synergy
Filter Out
14%inclusion1 decks7 decks
10%synergy
Tale's End
14%inclusion1 decks7 decks
11%synergy
Engulf the Shore
14%inclusion1 decks7 decks
6%synergy
Pull from Tomorrow
14%inclusion1 decks7 decks
5%synergy
Wizard's Retort
14%inclusion1 decks7 decks
10%synergy
Flare of Denial
14%inclusion1 decks7 decks
7%synergy
Essence Scatter
14%inclusion1 decks7 decks
11%synergy
Fleeting Reflection
14%inclusion1 decks7 decks
14%synergy
Consider
14%inclusion1 decks7 decks
0%synergy
Remand
14%inclusion1 decks7 decks
12%synergy
Theoretical Duplication
14%inclusion1 decks7 decks
13%synergy
Thassa's Intervention
14%inclusion1 decks7 decks
13%synergy
Archmage's Charm
14%inclusion1 decks7 decks
-2%synergy
Disperse
14%inclusion1 decks7 decks
14%synergy
Arcane Denial
14%inclusion1 decks7 decks
-22%synergy
Admiral's Order
14%inclusion1 decks7 decks
14%synergy
Into the Story
14%inclusion1 decks7 decks
12%synergy
Sorceries
Aquitect's Will
57%inclusion4 decks7 decks
52%synergy
Ravenform
57%inclusion4 decks7 decks
48%synergy
Distant Melody
43%inclusion3 decks7 decks
38%synergy
Rite of Replication
43%inclusion3 decks7 decks
36%synergy
Spectral Deluge
29%inclusion2 decks7 decks
18%synergy
Ponder
14%inclusion1 decks7 decks
-15%synergy
Tempted by the Oriq
14%inclusion1 decks7 decks
13%synergy
Mind Spring
14%inclusion1 decks7 decks
13%synergy
Crashing Tide
14%inclusion1 decks7 decks
14%synergy
Curse of the Swine
14%inclusion1 decks7 decks
3%synergy
Treasure Cruise
14%inclusion1 decks7 decks
3%synergy
Blatant Thievery
14%inclusion1 decks7 decks
11%synergy
Step Through
14%inclusion1 decks7 decks
9%synergy
Tales of the Ancestors
14%inclusion1 decks7 decks
14%synergy
Wash Out
14%inclusion1 decks7 decks
9%synergy
Commit // Memory
14%inclusion1 decks7 decks
11%synergy
Aether Gale
14%inclusion1 decks7 decks
12%synergy
Multiple Choice
14%inclusion1 decks7 decks
14%synergy
River's Rebuke
14%inclusion1 decks7 decks
11%synergy
Entrancing Melody
14%inclusion1 decks7 decks
14%synergy
Utility Artifacts
Wayfarer's Bauble
29%inclusion2 decks7 decks
11%synergy
Winter Moon
29%inclusion2 decks7 decks
24%synergy
Aether Vial
29%inclusion2 decks7 decks
28%synergy
Quietus Spike
14%inclusion1 decks7 decks
13%synergy
Soul-Guide Lantern
14%inclusion1 decks7 decks
10%synergy
Icon of Ancestry
14%inclusion1 decks7 decks
14%synergy
Mask of the Schemer
14%inclusion1 decks7 decks
14%synergy
Armory of Iroas
14%inclusion1 decks7 decks
14%synergy
Stoneforge Masterwork
14%inclusion1 decks7 decks
14%synergy
Rogue's Gloves
14%inclusion1 decks7 decks
14%synergy
Vanquisher's Banner
14%inclusion1 decks7 decks
13%synergy
Scytheclaw
14%inclusion1 decks7 decks
14%synergy
Kefnet's Monument
14%inclusion1 decks7 decks
8%synergy
Goldvein Pick
14%inclusion1 decks7 decks
14%synergy
Mask of Memory
14%inclusion1 decks7 decks
13%synergy
Blackblade Reforged
14%inclusion1 decks7 decks
10%synergy
Sapphire Medallion
14%inclusion1 decks7 decks
-44%synergy
Bloodforged Battle-Axe
14%inclusion1 decks7 decks
14%synergy
Herald's Horn
14%inclusion1 decks7 decks
12%synergy
Enchantments
Deeproot Waters
71%inclusion5 decks7 decks
70%synergy
Spreading Seas
71%inclusion5 decks7 decks
70%synergy
Reconnaissance Mission
43%inclusion3 decks7 decks
36%synergy
Wizard Class
43%inclusion3 decks7 decks
26%synergy
Curiosity
43%inclusion3 decks7 decks
40%synergy
Military Intelligence
43%inclusion3 decks7 decks
42%synergy
Imprisoned in the Moon
29%inclusion2 decks7 decks
17%synergy
Ordeal of Thassa
29%inclusion2 decks7 decks
28%synergy
Curious Obsession
29%inclusion2 decks7 decks
28%synergy
Sea's Claim
29%inclusion2 decks7 decks
28%synergy
Fishliver Oil
29%inclusion2 decks7 decks
28%synergy
Coastal Piracy
29%inclusion2 decks7 decks
24%synergy
Mystic Remora
29%inclusion2 decks7 decks
1%synergy
Reflections of Littjara
29%inclusion2 decks7 decks
25%synergy
Kindred Discovery
14%inclusion1 decks7 decks
8%synergy
Back to Basics
14%inclusion1 decks7 decks
7%synergy
Ominous Seas
14%inclusion1 decks7 decks
3%synergy
Frogify
14%inclusion1 decks7 decks
13%synergy
Ringing Strike Mastery
14%inclusion1 decks7 decks
14%synergy
Leyline of Anticipation
14%inclusion1 decks7 decks
5%synergy
Unable to Scream
14%inclusion1 decks7 decks
10%synergy
Opposition
14%inclusion1 decks7 decks
13%synergy
Dress Down
14%inclusion1 decks7 decks
12%synergy
Lingering Mirage
14%inclusion1 decks7 decks
14%synergy
Control Magic
14%inclusion1 decks7 decks
12%synergy
Wingspan Stride
14%inclusion1 decks7 decks
14%synergy
Kumena's Awakening
14%inclusion1 decks7 decks
14%synergy
Combat Research
14%inclusion1 decks7 decks
12%synergy
Aquatic Incursion
14%inclusion1 decks7 decks
14%synergy
As Foretold
14%inclusion1 decks7 decks
10%synergy
Planeswalkers
Kasmina, Enigmatic Mentor
14%inclusion1 decks7 decks
12%synergy
Utility Lands
Rogue's Passage
57%inclusion4 decks7 decks
42%synergy
Mystic Sanctuary
43%inclusion3 decks7 decks
-8%synergy
Lonely Sandbar
43%inclusion3 decks7 decks
29%synergy
Reliquary Tower
43%inclusion3 decks7 decks
-14%synergy
Halimar Depths
29%inclusion2 decks7 decks
19%synergy
Castle Vantress
29%inclusion2 decks7 decks
10%synergy
Temple of the False God
29%inclusion2 decks7 decks
18%synergy
Zhalfirin Void
14%inclusion1 decks7 decks
13%synergy
Rivendell
14%inclusion1 decks7 decks
3%synergy
Ghost Quarter
14%inclusion1 decks7 decks
12%synergy
Isolated Watchtower
14%inclusion1 decks7 decks
14%synergy
Scavenger Grounds
14%inclusion1 decks7 decks
7%synergy
Emergence Zone
14%inclusion1 decks7 decks
10%synergy
Hidden Cataract
14%inclusion1 decks7 decks
13%synergy
Access Tunnel
14%inclusion1 decks7 decks
13%synergy
Guildless Commons
14%inclusion1 decks7 decks
12%synergy
Mana Artifacts
Arcane Signet
71%inclusion5 decks7 decks
6%synergy
Sol Ring
71%inclusion5 decks7 decks
-14%synergy
Sky Diamond
57%inclusion4 decks7 decks
34%synergy
Thought Vessel
43%inclusion3 decks7 decks
-9%synergy
Mind Stone
43%inclusion3 decks7 decks
7%synergy
Caged Sun
14%inclusion1 decks7 decks
3%synergy
Heraldic Banner
14%inclusion1 decks7 decks
9%synergy
Springleaf Drum
14%inclusion1 decks7 decks
11%synergy
Midnight Clock
14%inclusion1 decks7 decks
-6%synergy
Lands
Island
100%inclusion7 decks7 decks
7%synergy
Hydroelectric Specimen
29%inclusion2 decks7 decks
15%synergy
Myriad Landscape
29%inclusion2 decks7 decks
2%synergy
Hall of Oracles
14%inclusion1 decks7 decks
14%synergy
Demolition Field
14%inclusion1 decks7 decks
9%synergy
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