Emperor Mihail II (Commander) - Optimized Merfolk

Emperor Mihail II
Rank #1,479
10decks
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Background image for Attuma, Atlantean Warlord Commander Deck Tech
Landon Crispens
Feb 16, 2026
Landon Crispens
Attuma, Atlantean Warlord Commander Deck Tech
Is Attuma, Atlantean Warlord the new best mono-blue Merfolk commander? Come check out this Marvel villain's potential.
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Enchantments
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Utility Lands
Mana Artifacts
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Champions of the Shoal
50%inclusion1 decks2 decks
50%synergy
Thirst for Identity
50%inclusion1 decks2 decks
49%synergy
Changeling Wayfinder
50%inclusion1 decks2 decks
49%synergy
Disruptor of Currents
33%inclusion1 decks3 decks
33%synergy
Chronicle of Victory
33%inclusion1 decks3 decks
33%synergy
High Synergy Cards
Svyelun of Sea and Sky
100%inclusion10 decks10 decks
99%synergy
Merrow Reejerey
100%inclusion10 decks10 decks
98%synergy
Master of the Pearl Trident
100%inclusion10 decks10 decks
98%synergy
Merrow Harbinger
90%inclusion9 decks10 decks
89%synergy
Merrow Commerce
90%inclusion9 decks10 decks
89%synergy
Kopala, Warden of Waves
90%inclusion9 decks10 decks
89%synergy
Vodalian Hexcatcher
90%inclusion9 decks10 decks
88%synergy
Harbinger of the Seas
90%inclusion9 decks10 decks
81%synergy
Deeproot Waters
80%inclusion8 decks10 decks
79%synergy
Deeproot Pilgrimage
80%inclusion8 decks10 decks
78%synergy
Top Cards
Stonybrook Banneret
80%inclusion8 decks10 decks
76%synergy
Merfolk Sovereign
80%inclusion8 decks10 decks
78%synergy
Distant Melody
80%inclusion8 decks10 decks
75%synergy
Reflections of Littjara
80%inclusion8 decks10 decks
77%synergy
Deepchannel Mentor
70%inclusion7 decks10 decks
69%synergy
Bident of Thassa
70%inclusion7 decks10 decks
58%synergy
Sapphire Medallion
70%inclusion7 decks10 decks
11%synergy
Kindred Discovery
60%inclusion6 decks10 decks
53%synergy
Wanderwine Prophets
60%inclusion6 decks10 decks
59%synergy
Aquatic Incursion
60%inclusion6 decks10 decks
60%synergy
Game Changers
Cyclonic Rift
50%inclusion5 decks10 decks
17%synergy
Rhystic Study
40%inclusion4 decks10 decks
8%synergy
Thassa's Oracle
30%inclusion3 decks10 decks
17%synergy
Force of Will
20%inclusion2 decks10 decks
3%synergy
Mystical Tutor
20%inclusion2 decks10 decks
-3%synergy
Grim Monolith
10%inclusion1 decks10 decks
5%synergy
Ancient Tomb
10%inclusion1 decks10 decks
-2%synergy
Mana Vault
10%inclusion1 decks10 decks
0%synergy
Narset, Parter of Veils
10%inclusion1 decks10 decks
-1%synergy
Fierce Guardianship
10%inclusion1 decks10 decks
-13%synergy
Creatures
Seafloor Oracle
60%inclusion6 decks10 decks
59%synergy
Lullmage Mentor
50%inclusion5 decks10 decks
48%synergy
Lord of Atlantis
50%inclusion5 decks10 decks
49%synergy
Coralhelm Commander
40%inclusion4 decks10 decks
39%synergy
True-Name Nemesis
40%inclusion4 decks10 decks
39%synergy
Stormtide Leviathan
40%inclusion4 decks10 decks
33%synergy
Tishana's Tidebinder
40%inclusion4 decks10 decks
36%synergy
Cosi's Trickster
40%inclusion4 decks10 decks
39%synergy
Slinn Voda, the Rising Deep
40%inclusion4 decks10 decks
39%synergy
Cursecatcher
40%inclusion4 decks10 decks
38%synergy
Tempest Caller
40%inclusion4 decks10 decks
39%synergy
Merfolk Trickster
40%inclusion4 decks10 decks
39%synergy
Silvergill Mentor
33%inclusion1 decks3 decks
33%synergy
Silvergill Peddler
33%inclusion1 decks3 decks
33%synergy
Drowner Initiate
30%inclusion3 decks10 decks
30%synergy
Serpent of the Endless Sea
30%inclusion3 decks10 decks
30%synergy
Merfolk Wayfinder
30%inclusion3 decks10 decks
30%synergy
Adaptive Automaton
30%inclusion3 decks10 decks
29%synergy
Seahunter
30%inclusion3 decks10 decks
29%synergy
Dakra Mystic
30%inclusion3 decks10 decks
29%synergy
Merfolk Assassin
30%inclusion3 decks10 decks
30%synergy
Tromokratis
30%inclusion3 decks10 decks
28%synergy
Ink Dissolver
30%inclusion3 decks10 decks
30%synergy
Drowner of Secrets
30%inclusion3 decks10 decks
30%synergy
Thada Adel, Acquisitor
30%inclusion3 decks10 decks
28%synergy
Benthic Explorers
30%inclusion3 decks10 decks
30%synergy
Augur of Bolas
30%inclusion3 decks10 decks
29%synergy
Mist Dancer
30%inclusion3 decks10 decks
29%synergy
Inkfathom Divers
30%inclusion3 decks10 decks
30%synergy
Thieving Skydiver
30%inclusion3 decks10 decks
26%synergy
Summon: Leviathan
22%inclusion2 decks9 decks
20%synergy
Thassa, Deep-Dwelling
20%inclusion2 decks10 decks
16%synergy
Mindspring Merfolk
20%inclusion2 decks10 decks
19%synergy
Roaming Throne
20%inclusion2 decks10 decks
16%synergy
Surgespanner
20%inclusion2 decks10 decks
19%synergy
Floodpits Drowner
20%inclusion2 decks10 decks
19%synergy
Reef Shaman
20%inclusion2 decks10 decks
20%synergy
Streambed Aquitects
20%inclusion2 decks10 decks
19%synergy
Thassa, God of the Sea
20%inclusion2 decks10 decks
16%synergy
Brineborn Cutthroat
20%inclusion2 decks10 decks
19%synergy
Alandra, Sky Dreamer
20%inclusion2 decks10 decks
13%synergy
Harbinger of the Tides
20%inclusion2 decks10 decks
19%synergy
Silvergill Adept
20%inclusion2 decks10 decks
19%synergy
Empress Galina
20%inclusion2 decks10 decks
19%synergy
Namor the Sub-Mariner
20%inclusion1 decks5 decks
20%synergy
Attuma, Atlantean Warlord
20%inclusion1 decks5 decks
19%synergy
Eluge, the Shoreless Sea
10%inclusion1 decks10 decks
2%synergy
Trophy Mage
10%inclusion1 decks10 decks
3%synergy
Towering-Wave Mystic
10%inclusion1 decks10 decks
10%synergy
Metallic Mimic
10%inclusion1 decks10 decks
9%synergy
Instants
Filter Out
50%inclusion5 decks10 decks
46%synergy
Counterspell
50%inclusion5 decks10 decks
-16%synergy
High Tide
50%inclusion5 decks10 decks
6%synergy
Negate
40%inclusion4 decks10 decks
2%synergy
Opt
40%inclusion4 decks10 decks
15%synergy
Flow of Knowledge
40%inclusion4 decks10 decks
24%synergy
Thassa's Rebuff
40%inclusion4 decks10 decks
39%synergy
Thassa's Intervention
40%inclusion4 decks10 decks
39%synergy
Harmonized Crescendo
33%inclusion1 decks3 decks
30%synergy
Lose Focus
30%inclusion3 decks10 decks
29%synergy
Dive Down
30%inclusion3 decks10 decks
27%synergy
Swan Song
30%inclusion3 decks10 decks
3%synergy
Annul
30%inclusion3 decks10 decks
28%synergy
Pongify
20%inclusion2 decks10 decks
-20%synergy
Mirror Match
20%inclusion2 decks10 decks
20%synergy
An Offer You Can't Refuse
20%inclusion2 decks10 decks
-17%synergy
Refute
20%inclusion2 decks10 decks
15%synergy
Brainstorm
20%inclusion2 decks10 decks
-21%synergy
Reality Shift
20%inclusion2 decks10 decks
-7%synergy
Mana Drain
20%inclusion2 decks10 decks
-7%synergy
Aetherize
20%inclusion2 decks10 decks
-10%synergy
Gigadrowse
20%inclusion2 decks10 decks
17%synergy
Cryptic Command
20%inclusion2 decks10 decks
8%synergy
Force of Negation
20%inclusion2 decks10 decks
5%synergy
Admiral's Order
20%inclusion2 decks10 decks
20%synergy
Whirlwind Denial
20%inclusion2 decks10 decks
18%synergy
Unwind
20%inclusion2 decks10 decks
10%synergy
Unexpected Assistance
20%inclusion1 decks5 decks
19%synergy
Deny the Divine
10%inclusion1 decks10 decks
10%synergy
Rapid Hybridization
10%inclusion1 decks10 decks
-25%synergy
Essence Capture
10%inclusion1 decks10 decks
8%synergy
Disdainful Stroke
10%inclusion1 decks10 decks
5%synergy
Frantic Search
10%inclusion1 decks10 decks
-20%synergy
Run Away Together
10%inclusion1 decks10 decks
6%synergy
Stern Dismissal
10%inclusion1 decks10 decks
9%synergy
Deliberate
10%inclusion1 decks10 decks
7%synergy
Essence Scatter
10%inclusion1 decks10 decks
6%synergy
Anticognition
10%inclusion1 decks10 decks
9%synergy
Blue Sun's Zenith
10%inclusion1 decks10 decks
-1%synergy
Nexus of Fate
10%inclusion1 decks10 decks
4%synergy
Repulse
10%inclusion1 decks10 decks
9%synergy
Supreme Will
10%inclusion1 decks10 decks
9%synergy
Strix Serenade
10%inclusion1 decks10 decks
1%synergy
Cancel
10%inclusion1 decks10 decks
5%synergy
Resculpt
10%inclusion1 decks10 decks
-8%synergy
Thought Scour
10%inclusion1 decks10 decks
3%synergy
Unsummon
10%inclusion1 decks10 decks
6%synergy
Archmage's Charm
10%inclusion1 decks10 decks
-7%synergy
Flusterstorm
10%inclusion1 decks10 decks
0%synergy
Saw It Coming
10%inclusion1 decks10 decks
7%synergy
Sorceries
Aquitect's Will
50%inclusion5 decks10 decks
45%synergy
Preordain
40%inclusion4 decks10 decks
16%synergy
Rite of Replication
40%inclusion4 decks10 decks
33%synergy
Clear the Mind
30%inclusion3 decks10 decks
29%synergy
Pull from the Deep
30%inclusion3 decks10 decks
30%synergy
Breakthrough
30%inclusion3 decks10 decks
30%synergy
Stream of Thought
30%inclusion3 decks10 decks
29%synergy
Breaking Wave
30%inclusion3 decks10 decks
30%synergy
Raise the Palisade
30%inclusion3 decks10 decks
27%synergy
Drag Under
20%inclusion2 decks10 decks
20%synergy
Inundate
20%inclusion2 decks10 decks
18%synergy
Windfall
20%inclusion2 decks10 decks
-2%synergy
Crashing Tide
20%inclusion2 decks10 decks
20%synergy
River's Rebuke
20%inclusion2 decks10 decks
17%synergy
Calamitous Tide
20%inclusion2 decks10 decks
20%synergy
Ponder
10%inclusion1 decks10 decks
-20%synergy
Fascination
10%inclusion1 decks10 decks
9%synergy
Glimpse the Cosmos
10%inclusion1 decks10 decks
10%synergy
Divination
10%inclusion1 decks10 decks
8%synergy
Fabricate
10%inclusion1 decks10 decks
-11%synergy
Devastation Tide
10%inclusion1 decks10 decks
7%synergy
Reshape
10%inclusion1 decks10 decks
3%synergy
Serum Visions
10%inclusion1 decks10 decks
0%synergy
Karn's Temporal Sundering
10%inclusion1 decks10 decks
8%synergy
Temporal Mastery
10%inclusion1 decks10 decks
7%synergy
Sleep of the Dead
10%inclusion1 decks10 decks
10%synergy
Lórien Revealed
10%inclusion1 decks10 decks
1%synergy
Shimmer of Possibility
10%inclusion1 decks10 decks
10%synergy
Sea God's Scorn
10%inclusion1 decks10 decks
10%synergy
Open into Wonder
10%inclusion1 decks10 decks
9%synergy
Nagging Thoughts
10%inclusion1 decks10 decks
10%synergy
Utility Artifacts
Quicksilver Fountain
30%inclusion3 decks10 decks
28%synergy
Swiftfoot Boots
30%inclusion3 decks10 decks
2%synergy
The Water Crystal
22%inclusion2 decks9 decks
12%synergy
Sensei's Divining Top
20%inclusion2 decks10 decks
5%synergy
Icon of Ancestry
20%inclusion2 decks10 decks
19%synergy
Vanquisher's Banner
20%inclusion2 decks10 decks
19%synergy
Kefnet's Monument
20%inclusion2 decks10 decks
14%synergy
Herald's Horn
20%inclusion2 decks10 decks
18%synergy
Commander's Plate
20%inclusion2 decks10 decks
16%synergy
Unwinding Clock
10%inclusion1 decks10 decks
-2%synergy
Ashnod's Altar
10%inclusion1 decks10 decks
6%synergy
Coat of Arms
10%inclusion1 decks10 decks
8%synergy
Vedalken Orrery
10%inclusion1 decks10 decks
7%synergy
Skullclamp
10%inclusion1 decks10 decks
4%synergy
Hall of Triumph
10%inclusion1 decks10 decks
10%synergy
Stoneforge Masterwork
10%inclusion1 decks10 decks
10%synergy
Banner of Kinship
10%inclusion1 decks10 decks
7%synergy
Folio of Fancies
10%inclusion1 decks10 decks
6%synergy
Mask of Avacyn
10%inclusion1 decks10 decks
10%synergy
Urza's Incubator
10%inclusion1 decks10 decks
9%synergy
Staff of Domination
10%inclusion1 decks10 decks
8%synergy
Sword of the Animist
10%inclusion1 decks10 decks
5%synergy
Obelisk of Urd
10%inclusion1 decks10 decks
9%synergy
Hair-Strung Koto
10%inclusion1 decks10 decks
10%synergy
Enchantments
Spreading Seas
40%inclusion4 decks10 decks
39%synergy
Intruder Alarm
30%inclusion3 decks10 decks
27%synergy
Convincing Mirage
30%inclusion3 decks10 decks
30%synergy
Leyline of Anticipation
30%inclusion3 decks10 decks
21%synergy
Aqueous Form
20%inclusion2 decks10 decks
15%synergy
Propaganda
20%inclusion2 decks10 decks
-11%synergy
Impostor Syndrome
14%inclusion1 decks7 decks
13%synergy
Freed from the Real
10%inclusion1 decks10 decks
6%synergy
Imprisoned in the Moon
10%inclusion1 decks10 decks
-2%synergy
Military Intelligence
10%inclusion1 decks10 decks
9%synergy
Annex
10%inclusion1 decks10 decks
10%synergy
Claustrophobia
10%inclusion1 decks10 decks
10%synergy
Induced Amnesia
10%inclusion1 decks10 decks
10%synergy
Omniscience
10%inclusion1 decks10 decks
1%synergy
Copy Artifact
10%inclusion1 decks10 decks
6%synergy
Ichthyomorphosis
10%inclusion1 decks10 decks
9%synergy
Starlit Mantle
10%inclusion1 decks10 decks
10%synergy
Power Artifact
10%inclusion1 decks10 decks
8%synergy
Precognition Field
10%inclusion1 decks10 decks
9%synergy
Kasmina's Transmutation
10%inclusion1 decks10 decks
9%synergy
Eaten by Piranhas
10%inclusion1 decks10 decks
7%synergy
Retreat to Coralhelm
10%inclusion1 decks10 decks
7%synergy
Confiscate
10%inclusion1 decks10 decks
9%synergy
Fly
10%inclusion1 decks10 decks
10%synergy
Sea's Claim
10%inclusion1 decks10 decks
10%synergy
Planeswalkers
Mordenkainen
10%inclusion1 decks10 decks
7%synergy
Tezzeret, Artifice Master
10%inclusion1 decks10 decks
6%synergy
Utility Lands
Reliquary Tower
90%inclusion9 decks10 decks
34%synergy
Mystic Sanctuary
50%inclusion5 decks10 decks
0%synergy
Halimar Depths
40%inclusion4 decks10 decks
30%synergy
Lonely Sandbar
40%inclusion4 decks10 decks
26%synergy
Svyelunite Temple
30%inclusion3 decks10 decks
29%synergy
Nykthos, Shrine to Nyx
30%inclusion3 decks10 decks
14%synergy
Moonring Island
30%inclusion3 decks10 decks
29%synergy
Hall of Storm Giants
20%inclusion2 decks10 decks
18%synergy
Rivendell
20%inclusion2 decks10 decks
9%synergy
Coral Atoll
20%inclusion2 decks10 decks
16%synergy
Castle Vantress
20%inclusion2 decks10 decks
1%synergy
Three Tree City
20%inclusion2 decks10 decks
16%synergy
Otawara, Soaring City
20%inclusion2 decks10 decks
-6%synergy
Agna Qel'a
17%inclusion1 decks6 decks
9%synergy
Mistrise Village
11%inclusion1 decks9 decks
2%synergy
Wasteland
10%inclusion1 decks10 decks
9%synergy
Minamo, School at Water's Edge
10%inclusion1 decks10 decks
-3%synergy
Urza's Tower
10%inclusion1 decks10 decks
5%synergy
Urza's Mine
10%inclusion1 decks10 decks
5%synergy
Riptide Laboratory
10%inclusion1 decks10 decks
0%synergy
War Room
10%inclusion1 decks10 decks
-6%synergy
Forge of Heroes
10%inclusion1 decks10 decks
10%synergy
Hidden Cataract
10%inclusion1 decks10 decks
8%synergy
Academy Ruins
10%inclusion1 decks10 decks
-9%synergy
Sunken Palace
10%inclusion1 decks10 decks
6%synergy
Ipnu Rivulet
10%inclusion1 decks10 decks
8%synergy
Urza's Power Plant
10%inclusion1 decks10 decks
5%synergy
City of Traitors
10%inclusion1 decks10 decks
8%synergy
Rogue's Passage
10%inclusion1 decks10 decks
-5%synergy
Rishadan Port
10%inclusion1 decks10 decks
10%synergy
Mana Artifacts
Sol Ring
60%inclusion6 decks10 decks
-25%synergy
Midnight Clock
50%inclusion5 decks10 decks
30%synergy
Arcane Signet
40%inclusion4 decks10 decks
-25%synergy
Heraldic Banner
30%inclusion3 decks10 decks
24%synergy
Caged Sun
20%inclusion2 decks10 decks
9%synergy
Patchwork Banner
20%inclusion2 decks10 decks
16%synergy
Fellwar Stone
20%inclusion2 decks10 decks
0%synergy
Nyx Lotus
20%inclusion2 decks10 decks
16%synergy
Bender's Waterskin
14%inclusion1 decks7 decks
5%synergy
Commander's Sphere
10%inclusion1 decks10 decks
1%synergy
Pristine Talisman
10%inclusion1 decks10 decks
10%synergy
Sky Diamond
10%inclusion1 decks10 decks
-13%synergy
Lotus Petal
10%inclusion1 decks10 decks
-2%synergy
Throne of Eldraine
10%inclusion1 decks10 decks
1%synergy
Machine God's Effigy
10%inclusion1 decks10 decks
7%synergy
Mox Amber
10%inclusion1 decks10 decks
3%synergy
Decanter of Endless Water
10%inclusion1 decks10 decks
-4%synergy
Chromatic Orrery
10%inclusion1 decks10 decks
8%synergy
Thought Vessel
10%inclusion1 decks10 decks
-42%synergy
Gilded Lotus
10%inclusion1 decks10 decks
-1%synergy
Patriar's Seal
10%inclusion1 decks10 decks
8%synergy
Manalith
10%inclusion1 decks10 decks
10%synergy
Mind Stone
10%inclusion1 decks10 decks
-26%synergy
Mox Opal
10%inclusion1 decks10 decks
0%synergy
Chrome Mox
10%inclusion1 decks10 decks
1%synergy
Lion's Eye Diamond
10%inclusion1 decks10 decks
9%synergy
Mox Diamond
10%inclusion1 decks10 decks
4%synergy
Lands
Island
90%inclusion9 decks10 decks
-4%synergy
Cavern of Souls
30%inclusion3 decks10 decks
25%synergy
Myriad Landscape
20%inclusion2 decks10 decks
-6%synergy
Path of Ancestry
20%inclusion2 decks10 decks
16%synergy
Command Tower
10%inclusion1 decks10 decks
6%synergy
Snow-Covered Island
10%inclusion1 decks10 decks
2%synergy
Unknown Shores
10%inclusion1 decks10 decks
10%synergy
Jwari Disruption
10%inclusion1 decks10 decks
5%synergy
Glasspool Mimic
10%inclusion1 decks10 decks
4%synergy
City of Brass
10%inclusion1 decks10 decks
10%synergy
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