Kopala, Warden of Waves (Commander)

Background image for 21 Best Merfolk Cards for Commander
Chris Guest
Jul 9, 2025
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.
Deck Filters
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Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Dawn-Blessed Pennant
29%inclusion2 decks7 decks
28%synergy
Harmonized Crescendo
29%inclusion2 decks7 decks
26%synergy
Eclipsed Realms
29%inclusion2 decks7 decks
28%synergy
Champions of the Shoal
29%inclusion2 decks7 decks
28%synergy
Pestered Wellguard
29%inclusion2 decks7 decks
28%synergy
High Synergy Cards
Merfolk Sovereign
91%inclusion81 decks89 decks
89%synergy
Master of the Pearl Trident
89%inclusion79 decks89 decks
87%synergy
Deeproot Waters
87%inclusion77 decks89 decks
85%synergy
Merrow Reejerey
87%inclusion77 decks89 decks
85%synergy
Svyelun of Sea and Sky
81%inclusion72 decks89 decks
80%synergy
Stonybrook Banneret
82%inclusion73 decks89 decks
78%synergy
Emperor Mihail II
79%inclusion70 decks89 decks
78%synergy
Seafloor Oracle
70%inclusion62 decks89 decks
68%synergy
Deeproot Pilgrimage
69%inclusion61 decks89 decks
67%synergy
Harbinger of the Tides
64%inclusion57 decks89 decks
63%synergy
Top Cards
Lord of Atlantis
64%inclusion57 decks89 decks
63%synergy
Vodalian Hexcatcher
64%inclusion57 decks89 decks
62%synergy
Mist Dancer
63%inclusion56 decks89 decks
62%synergy
Counterspell
62%inclusion55 decks89 decks
-5%synergy
Coralhelm Commander
57%inclusion51 decks89 decks
57%synergy
Deepchannel Mentor
56%inclusion50 decks89 decks
55%synergy
Sapphire Medallion
55%inclusion49 decks89 decks
-3%synergy
Merrow Commerce
54%inclusion48 decks89 decks
53%synergy
Tempest Caller
54%inclusion48 decks89 decks
53%synergy
Negate
53%inclusion47 decks89 decks
15%synergy
Game Changers
Cyclonic Rift
25%inclusion22 decks89 decks
-9%synergy
Rhystic Study
20%inclusion18 decks89 decks
-13%synergy
Thassa's Oracle
11%inclusion10 decks89 decks
-2%synergy
Mystical Tutor
10%inclusion9 decks89 decks
-13%synergy
Fierce Guardianship
9.0%inclusion8 decks89 decks
-14%synergy
Narset, Parter of Veils
6.7%inclusion6 decks89 decks
-5%synergy
Force of Will
5.6%inclusion5 decks89 decks
-12%synergy
Creatures
Merrow Harbinger
52%inclusion46 decks89 decks
51%synergy
Thieving Skydiver
52%inclusion46 decks89 decks
48%synergy
Lullmage Mentor
51%inclusion45 decks89 decks
49%synergy
River Sneak
49%inclusion44 decks89 decks
49%synergy
Mist-Cloaked Herald
45%inclusion40 decks89 decks
43%synergy
Harbinger of the Seas
44%inclusion37 decks85 decks
35%synergy
Triton Shorestalker
43%inclusion38 decks89 decks
40%synergy
Streambed Aquitects
42%inclusion37 decks89 decks
41%synergy
Tide Shaper
42%inclusion37 decks89 decks
41%synergy
Merfolk Trickster
42%inclusion37 decks89 decks
40%synergy
Seahunter
37%inclusion33 decks89 decks
36%synergy
Wanderwine Prophets
36%inclusion32 decks89 decks
35%synergy
Talrand, Sky Summoner
35%inclusion31 decks89 decks
21%synergy
Master of Waves
35%inclusion31 decks89 decks
31%synergy
Wake Thrasher
35%inclusion31 decks89 decks
34%synergy
True-Name Nemesis
34%inclusion30 decks89 decks
33%synergy
Tishana's Tidebinder
34%inclusion30 decks89 decks
29%synergy
Silvergill Adept
31%inclusion28 decks89 decks
31%synergy
Stormtide Leviathan
28%inclusion25 decks89 decks
21%synergy
Tidal Warrior
28%inclusion25 decks89 decks
28%synergy
Tidal Courier
25%inclusion22 decks89 decks
24%synergy
Merfolk Looter
25%inclusion22 decks89 decks
22%synergy
Cursecatcher
25%inclusion22 decks89 decks
23%synergy
Callaphe, Beloved of the Sea
25%inclusion22 decks89 decks
23%synergy
Kiora, the Rising Tide
24%inclusion16 decks68 decks
20%synergy
Merfolk Wayfinder
22%inclusion20 decks89 decks
22%synergy
Scroll Thief
22%inclusion20 decks89 decks
22%synergy
Slinn Voda, the Rising Deep
21%inclusion19 decks89 decks
20%synergy
Tidebinder Mage
21%inclusion19 decks89 decks
21%synergy
Gray Harbor Merfolk
20%inclusion18 decks89 decks
20%synergy
Rishadan Dockhand
19%inclusion17 decks89 decks
19%synergy
Mindspring Merfolk
19%inclusion11 decks58 decks
18%synergy
Brineborn Cutthroat
18%inclusion16 decks89 decks
17%synergy
Thada Adel, Acquisitor
18%inclusion16 decks89 decks
16%synergy
Empress Galina
18%inclusion16 decks89 decks
17%synergy
Herald of Secret Streams
18%inclusion16 decks89 decks
17%synergy
Augur of Bolas
18%inclusion16 decks89 decks
17%synergy
Library Larcenist
18%inclusion16 decks89 decks
17%synergy
Namor the Sub-Mariner
18%inclusion3 decks17 decks
17%synergy
Attuma, Atlantean Warlord
18%inclusion3 decks17 decks
17%synergy
Floodpits Drowner
18%inclusion13 decks74 decks
16%synergy
Mistcaller
17%inclusion15 decks89 decks
16%synergy
Metallic Mimic
16%inclusion14 decks89 decks
15%synergy
Alandra, Sky Dreamer
16%inclusion14 decks89 decks
9%synergy
Fallowsage
15%inclusion13 decks89 decks
14%synergy
Omni-Changeling
14%inclusion1 decks7 decks
13%synergy
Gravelgill Scoundrel
14%inclusion1 decks7 decks
14%synergy
Thassa, God of the Sea
13%inclusion12 decks89 decks
10%synergy
Surgespanner
13%inclusion12 decks89 decks
13%synergy
Merfolk Spy
13%inclusion12 decks89 decks
13%synergy
Instants
Aetherize
46%inclusion41 decks89 decks
17%synergy
High Tide
42%inclusion37 decks89 decks
-3%synergy
Pongify
34%inclusion30 decks89 decks
-7%synergy
Cancel
34%inclusion30 decks89 decks
29%synergy
Rewind
31%inclusion28 decks89 decks
19%synergy
Brainstorm
28%inclusion25 decks89 decks
-13%synergy
Arcane Denial
25%inclusion22 decks89 decks
-11%synergy
Rapid Hybridization
24%inclusion21 decks89 decks
-11%synergy
Mana Leak
24%inclusion21 decks89 decks
17%synergy
Thassa's Rebuff
24%inclusion21 decks89 decks
22%synergy
Opt
22%inclusion20 decks89 decks
-3%synergy
Flare of Denial
20%inclusion17 decks87 decks
13%synergy
Unsummon
18%inclusion16 decks89 decks
14%synergy
Spell Pierce
17%inclusion15 decks89 decks
8%synergy
Cryptic Command
16%inclusion14 decks89 decks
4%synergy
An Offer You Can't Refuse
15%inclusion13 decks89 decks
-22%synergy
Essence Scatter
15%inclusion13 decks89 decks
11%synergy
Glen Elendra's Answer
14%inclusion1 decks7 decks
13%synergy
Mana Drain
13%inclusion12 decks89 decks
-13%synergy
Archmage's Charm
13%inclusion12 decks89 decks
-3%synergy
Reality Shift
13%inclusion12 decks89 decks
-14%synergy
Swan Song
13%inclusion12 decks89 decks
-13%synergy
Disallow
13%inclusion12 decks89 decks
7%synergy
Filter Out
13%inclusion12 decks89 decks
10%synergy
Wizard's Retort
12%inclusion11 decks89 decks
8%synergy
Unwind
11%inclusion10 decks89 decks
1%synergy
Dispel
10%inclusion9 decks89 decks
1%synergy
Engulf the Shore
10%inclusion9 decks89 decks
2%synergy
Disdainful Stroke
7.9%inclusion7 decks89 decks
3%synergy
Resculpt
7.9%inclusion7 decks89 decks
-10%synergy
Misdirection
7.9%inclusion7 decks89 decks
3%synergy
Dramatic Reversal
7.9%inclusion7 decks89 decks
-12%synergy
Consider
7.9%inclusion7 decks89 decks
-7%synergy
Saw It Coming
7.9%inclusion7 decks89 decks
5%synergy
Snap
7.9%inclusion7 decks89 decks
-11%synergy
Mystic Confluence
7.9%inclusion7 decks89 decks
-2%synergy
Dissolve
6.7%inclusion6 decks89 decks
4%synergy
Didn't Say Please
6.7%inclusion6 decks89 decks
2%synergy
Sink into Stupor
5.9%inclusion5 decks85 decks
-16%synergy
Frantic Search
5.6%inclusion5 decks89 decks
-25%synergy
Dissipate
5.6%inclusion5 decks89 decks
3%synergy
Thassa's Intervention
5.6%inclusion5 decks89 decks
5%synergy
Sorceries
Aquitect's Will
43%inclusion38 decks89 decks
37%synergy
Distant Melody
38%inclusion34 decks89 decks
33%synergy
Raise the Palisade
30%inclusion27 decks89 decks
27%synergy
Crashing Tide
25%inclusion22 decks89 decks
24%synergy
Ponder
22%inclusion20 decks89 decks
-7%synergy
Curse of the Swine
19%inclusion17 decks89 decks
8%synergy
River's Rebuke
16%inclusion14 decks89 decks
12%synergy
Rite of Replication
15%inclusion13 decks89 decks
8%synergy
Wanderwine Farewell
14%inclusion1 decks7 decks
14%synergy
Sleep
13%inclusion12 decks89 decks
12%synergy
Preordain
13%inclusion12 decks89 decks
-10%synergy
Ravenform
12%inclusion11 decks89 decks
3%synergy
Wash Out
9.0%inclusion8 decks89 decks
4%synergy
Flow of Ideas
7.9%inclusion7 decks89 decks
3%synergy
Chart a Course
7.9%inclusion7 decks89 decks
3%synergy
Inundate
6.7%inclusion6 decks89 decks
5%synergy
Spectral Deluge
5.6%inclusion5 decks89 decks
-5%synergy
Windfall
5.6%inclusion5 decks89 decks
-17%synergy
Divination
5.6%inclusion5 decks89 decks
4%synergy
Treasure Cruise
5.6%inclusion5 decks89 decks
-5%synergy
Crashing Wave
5.0%inclusion1 decks20 decks
4%synergy
Utility Artifacts
Bident of Thassa
49%inclusion44 decks89 decks
38%synergy
Kefnet's Monument
46%inclusion41 decks89 decks
40%synergy
Vanquisher's Banner
39%inclusion35 decks89 decks
38%synergy
Herald's Horn
31%inclusion28 decks89 decks
30%synergy
Door of Destinies
28%inclusion25 decks89 decks
27%synergy
Icon of Ancestry
19%inclusion17 decks89 decks
19%synergy
Swiftfoot Boots
17%inclusion15 decks89 decks
-11%synergy
Quicksilver Fountain
17%inclusion15 decks89 decks
15%synergy
Coat of Arms
15%inclusion13 decks89 decks
13%synergy
Lightning Greaves
15%inclusion13 decks89 decks
-12%synergy
Chronicle of Victory
14%inclusion1 decks7 decks
14%synergy
Urza's Incubator
11%inclusion10 decks89 decks
10%synergy
Banner of Kinship
10%inclusion7 decks68 decks
8%synergy
Wayfarer's Bauble
10%inclusion9 decks89 decks
-8%synergy
Obelisk of Urd
7.9%inclusion7 decks89 decks
7%synergy
Stoneforge Masterwork
6.7%inclusion6 decks89 decks
6%synergy
Staff of the Mind Magus
6.7%inclusion6 decks89 decks
6%synergy
Blue Mage's Cane
6.7%inclusion3 decks45 decks
6%synergy
Skullclamp
5.6%inclusion5 decks89 decks
0%synergy
Enchantments
Kindred Discovery
51%inclusion45 decks89 decks
44%synergy
Reflections of Littjara
49%inclusion44 decks89 decks
46%synergy
Aquatic Incursion
37%inclusion33 decks89 decks
37%synergy
Propaganda
34%inclusion30 decks89 decks
4%synergy
Spreading Seas
20%inclusion18 decks89 decks
19%synergy
Reconnaissance Mission
17%inclusion15 decks89 decks
10%synergy
Wizard Class
17%inclusion15 decks89 decks
0%synergy
Leyline of Anticipation
15%inclusion13 decks89 decks
5%synergy
Noggle the Mind
14%inclusion1 decks7 decks
14%synergy
Blossombind
14%inclusion1 decks7 decks
14%synergy
Coastal Piracy
12%inclusion11 decks89 decks
8%synergy
Imprisoned in the Moon
12%inclusion11 decks89 decks
0%synergy
Mystic Remora
11%inclusion10 decks89 decks
-16%synergy
Witness Protection
11%inclusion10 decks89 decks
6%synergy
Kasmina's Transmutation
10%inclusion9 decks89 decks
9%synergy
Monastery Siege
9.0%inclusion8 decks89 decks
8%synergy
Intruder Alarm
7.9%inclusion7 decks89 decks
5%synergy
Curiosity
7.9%inclusion7 decks89 decks
5%synergy
Extravagant Replication
6.7%inclusion6 decks89 decks
4%synergy
Sea's Claim
6.7%inclusion6 decks89 decks
6%synergy
Teferi's Ageless Insight
6.7%inclusion6 decks89 decks
-10%synergy
Ominous Seas
6.7%inclusion6 decks89 decks
-4%synergy
Aqueous Form
5.6%inclusion5 decks89 decks
0%synergy
Military Intelligence
5.6%inclusion5 decks89 decks
4%synergy
Chakra Meditation
5.0%inclusion1 decks20 decks
4%synergy
Planeswalkers
Teferi, Temporal Pilgrim
6.7%inclusion6 decks89 decks
1%synergy
Jace, the Mind Sculptor
5.6%inclusion5 decks89 decks
3%synergy
Jace, Unraveler of Secrets
5.6%inclusion5 decks89 decks
4%synergy
Utility Lands
Reliquary Tower
48%inclusion43 decks89 decks
-8%synergy
Mystic Sanctuary
37%inclusion33 decks89 decks
-13%synergy
Halimar Depths
27%inclusion24 decks89 decks
17%synergy
Nykthos, Shrine to Nyx
27%inclusion24 decks89 decks
11%synergy
Lonely Sandbar
20%inclusion18 decks89 decks
6%synergy
Castle Vantress
19%inclusion17 decks89 decks
0%synergy
Rogue's Passage
19%inclusion17 decks89 decks
4%synergy
Three Tree City
13%inclusion10 decks80 decks
9%synergy
Temple of the False God
12%inclusion11 decks89 decks
2%synergy
Otawara, Soaring City
12%inclusion11 decks89 decks
-13%synergy
Rivendell
12%inclusion11 decks89 decks
1%synergy
Riptide Laboratory
10%inclusion9 decks89 decks
0%synergy
Agna Qel'a
10%inclusion2 decks20 decks
2%synergy
Minamo, School at Water's Edge
9.0%inclusion8 decks89 decks
-3%synergy
Jidoor, Aristocratic Capital
8.9%inclusion4 decks45 decks
4%synergy
Coral Atoll
7.9%inclusion7 decks89 decks
4%synergy
Mistrise Village
6.1%inclusion3 decks49 decks
-3%synergy
Hall of Storm Giants
5.6%inclusion5 decks89 decks
3%synergy
Skyline Cascade
5.6%inclusion5 decks89 decks
4%synergy
Mana Artifacts
Sol Ring
74%inclusion66 decks89 decks
-11%synergy
Arcane Signet
51%inclusion45 decks89 decks
-14%synergy
Thought Vessel
35%inclusion31 decks89 decks
-17%synergy
Heraldic Banner
31%inclusion28 decks89 decks
26%synergy
Patchwork Banner
20%inclusion16 decks80 decks
16%synergy
Sky Diamond
15%inclusion13 decks89 decks
-9%synergy
Mind Stone
12%inclusion11 decks89 decks
-23%synergy
Commander's Sphere
12%inclusion11 decks89 decks
3%synergy
Decanter of Endless Water
12%inclusion11 decks89 decks
-2%synergy
Caged Sun
11%inclusion10 decks89 decks
0%synergy
Nyx Lotus
9.0%inclusion8 decks89 decks
5%synergy
Bender's Waterskin
8.6%inclusion3 decks35 decks
0%synergy
Midnight Clock
7.9%inclusion7 decks89 decks
-13%synergy
Gauntlet of Power
6.7%inclusion6 decks89 decks
3%synergy
Throne of Eldraine
6.7%inclusion6 decks89 decks
-3%synergy
Fellwar Stone
5.6%inclusion5 decks89 decks
-14%synergy
Lands
Island
98%inclusion87 decks89 decks
4%synergy
Path of Ancestry
38%inclusion34 decks89 decks
34%synergy
Cavern of Souls
22%inclusion20 decks89 decks
18%synergy
Myriad Landscape
17%inclusion15 decks89 decks
-9%synergy
Evolving Wilds
10%inclusion9 decks89 decks
6%synergy
Terramorphic Expanse
9.0%inclusion8 decks89 decks
6%synergy
Command Tower
7.9%inclusion7 decks89 decks
4%synergy
Sink into Stupor
5.9%inclusion5 decks85 decks
-16%synergy