Emperor Mihail II (Commander) - Optimized

Emperor Mihail II
Rank #1,495
51decks
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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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Sorceries
Utility Artifacts
Enchantments
Utility Lands
Mana Artifacts
Lands
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Namor the Sub-Mariner
17%inclusion3 decks18 decks
16%synergy
Attuma, Atlantean Warlord
17%inclusion3 decks18 decks
16%synergy
High Synergy Cards
Svyelun of Sea and Sky
96%inclusion49 decks51 decks
95%synergy
Merrow Reejerey
96%inclusion49 decks51 decks
94%synergy
Master of the Pearl Trident
96%inclusion49 decks51 decks
94%synergy
Vodalian Hexcatcher
90%inclusion46 decks51 decks
89%synergy
Merfolk Sovereign
90%inclusion46 decks51 decks
89%synergy
Kopala, Warden of Waves
88%inclusion45 decks51 decks
87%synergy
Deeproot Waters
84%inclusion43 decks51 decks
83%synergy
Stonybrook Banneret
84%inclusion43 decks51 decks
81%synergy
Deeproot Pilgrimage
82%inclusion42 decks51 decks
81%synergy
Harbinger of the Seas
88%inclusion45 decks51 decks
80%synergy
Top Cards
Merrow Commerce
78%inclusion40 decks51 decks
77%synergy
Counterspell
78%inclusion40 decks51 decks
12%synergy
Lord of Atlantis
78%inclusion40 decks51 decks
77%synergy
Merrow Harbinger
76%inclusion39 decks51 decks
75%synergy
Sapphire Medallion
67%inclusion34 decks51 decks
8%synergy
Seafloor Oracle
67%inclusion34 decks51 decks
65%synergy
Tishana's Tidebinder
65%inclusion33 decks51 decks
60%synergy
Wanderwine Prophets
63%inclusion32 decks51 decks
62%synergy
Deepchannel Mentor
63%inclusion32 decks51 decks
61%synergy
Reflections of Littjara
63%inclusion32 decks51 decks
59%synergy
Game Changers
Cyclonic Rift
37%inclusion19 decks51 decks
4%synergy
Rhystic Study
31%inclusion16 decks51 decks
-1%synergy
Fierce Guardianship
24%inclusion12 decks51 decks
1%synergy
Thassa's Oracle
20%inclusion10 decks51 decks
7%synergy
Mystical Tutor
20%inclusion10 decks51 decks
-3%synergy
Force of Will
18%inclusion9 decks51 decks
1%synergy
Ancient Tomb
5.9%inclusion3 decks51 decks
-6%synergy
Creatures
Thieving Skydiver
57%inclusion29 decks51 decks
53%synergy
Merfolk Trickster
57%inclusion29 decks51 decks
55%synergy
Tide Shaper
55%inclusion28 decks51 decks
54%synergy
Harbinger of the Tides
55%inclusion28 decks51 decks
54%synergy
Lullmage Mentor
51%inclusion26 decks51 decks
49%synergy
Mist Dancer
49%inclusion25 decks51 decks
48%synergy
Seahunter
45%inclusion23 decks51 decks
45%synergy
Coralhelm Commander
43%inclusion22 decks51 decks
42%synergy
Mindspring Merfolk
42%inclusion21 decks50 decks
41%synergy
Thada Adel, Acquisitor
39%inclusion20 decks51 decks
38%synergy
True-Name Nemesis
37%inclusion19 decks51 decks
36%synergy
Streambed Aquitects
33%inclusion17 decks51 decks
33%synergy
Cursecatcher
33%inclusion17 decks51 decks
32%synergy
Silvergill Adept
33%inclusion17 decks51 decks
33%synergy
Tempest Caller
33%inclusion17 decks51 decks
32%synergy
Champions of the Shoal
31%inclusion4 decks13 decks
30%synergy
Surgespanner
29%inclusion15 decks51 decks
29%synergy
Kiora, the Rising Tide
29%inclusion15 decks51 decks
26%synergy
Thassa, God of the Sea
29%inclusion15 decks51 decks
26%synergy
River Sneak
29%inclusion15 decks51 decks
29%synergy
Disruptor of Currents
29%inclusion4 decks14 decks
28%synergy
Silvergill Peddler
29%inclusion4 decks14 decks
28%synergy
Silvergill Mentor
29%inclusion4 decks14 decks
28%synergy
Stormtide Leviathan
27%inclusion14 decks51 decks
21%synergy
Rishadan Dockhand
27%inclusion14 decks51 decks
27%synergy
Empress Galina
27%inclusion14 decks51 decks
27%synergy
Master of Waves
25%inclusion13 decks51 decks
22%synergy
Cosi's Trickster
25%inclusion13 decks51 decks
25%synergy
Triton Shorestalker
25%inclusion13 decks51 decks
23%synergy
Summon: Leviathan
22%inclusion9 decks41 decks
20%synergy
Merfolk Looter
22%inclusion11 decks51 decks
19%synergy
Mist-Cloaked Herald
22%inclusion11 decks51 decks
19%synergy
Tideshaper Mystic
20%inclusion10 decks51 decks
19%synergy
Floodpits Drowner
20%inclusion10 decks51 decks
18%synergy
Dakra Mystic
18%inclusion9 decks51 decks
17%synergy
Mistcaller
18%inclusion9 decks51 decks
17%synergy
Drowner of Secrets
18%inclusion9 decks51 decks
17%synergy
Merfolk Wayfinder
16%inclusion8 decks51 decks
15%synergy
Thassa, Deep-Dwelling
16%inclusion8 decks51 decks
11%synergy
Tidal Warrior
16%inclusion8 decks51 decks
15%synergy
Sigil Tracer
16%inclusion8 decks51 decks
15%synergy
Sea Scryer
16%inclusion8 decks51 decks
15%synergy
Talrand, Sky Summoner
16%inclusion8 decks51 decks
2%synergy
Gray Harbor Merfolk
16%inclusion8 decks51 decks
15%synergy
Adaptive Automaton
14%inclusion7 decks51 decks
12%synergy
Rootwater Thief
14%inclusion7 decks51 decks
14%synergy
Slinn Voda, the Rising Deep
14%inclusion7 decks51 decks
13%synergy
Reef Shaman
14%inclusion7 decks51 decks
14%synergy
Alandra, Sky Dreamer
14%inclusion7 decks51 decks
7%synergy
Metallic Mimic
12%inclusion6 decks51 decks
11%synergy
Instants
High Tide
43%inclusion22 decks51 decks
-1%synergy
Aetherize
41%inclusion21 decks51 decks
11%synergy
Negate
33%inclusion17 decks51 decks
-4%synergy
Rapid Hybridization
31%inclusion16 decks51 decks
-3%synergy
An Offer You Can't Refuse
29%inclusion15 decks51 decks
-8%synergy
Harmonized Crescendo
29%inclusion4 decks14 decks
25%synergy
Pongify
27%inclusion14 decks51 decks
-13%synergy
Arcane Denial
27%inclusion14 decks51 decks
-9%synergy
Flare of Denial
25%inclusion13 decks51 decks
19%synergy
Thassa's Rebuff
25%inclusion13 decks51 decks
24%synergy
Brainstorm
24%inclusion12 decks51 decks
-17%synergy
Swan Song
24%inclusion12 decks51 decks
-3%synergy
Sink into Stupor
24%inclusion12 decks51 decks
2%synergy
Reality Shift
22%inclusion11 decks51 decks
-5%synergy
Mana Drain
22%inclusion11 decks51 decks
-5%synergy
Filter Out
20%inclusion10 decks51 decks
16%synergy
Force of Negation
20%inclusion10 decks51 decks
4%synergy
Flow of Knowledge
18%inclusion9 decks51 decks
2%synergy
Dramatic Reversal
18%inclusion9 decks51 decks
-2%synergy
Opt
18%inclusion9 decks51 decks
-7%synergy
Cryptic Command
16%inclusion8 decks51 decks
4%synergy
Thirst for Identity
15%inclusion2 decks13 decks
14%synergy
Frantic Search
14%inclusion7 decks51 decks
-17%synergy
Resculpt
14%inclusion7 decks51 decks
-4%synergy
Muddle the Mixture
12%inclusion6 decks51 decks
-4%synergy
Strix Serenade
12%inclusion6 decks51 decks
3%synergy
Unexpected Assistance
12%inclusion2 decks17 decks
11%synergy
Cancel
12%inclusion6 decks51 decks
7%synergy
Unsummon
12%inclusion6 decks51 decks
8%synergy
March of Swirling Mist
12%inclusion6 decks51 decks
4%synergy
Refute
10%inclusion5 decks51 decks
4%synergy
Dissolve
10%inclusion5 decks51 decks
7%synergy
Flusterstorm
10%inclusion5 decks51 decks
0%synergy
Engulf the Shore
10%inclusion5 decks51 decks
2%synergy
Whirlwind Denial
10%inclusion5 decks51 decks
8%synergy
Thassa's Intervention
10%inclusion5 decks51 decks
9%synergy
Transcendent Message
7.8%inclusion4 decks51 decks
6%synergy
Lose Focus
7.8%inclusion4 decks51 decks
7%synergy
Dive Down
7.8%inclusion4 decks51 decks
5%synergy
Disallow
7.8%inclusion4 decks51 decks
1%synergy
Jwari Disruption
7.8%inclusion4 decks51 decks
3%synergy
Long-Term Plans
7.8%inclusion4 decks51 decks
5%synergy
Spell Pierce
7.8%inclusion4 decks51 decks
0%synergy
Mirrorform
7.1%inclusion1 decks14 decks
3%synergy
Deliberate
5.9%inclusion3 decks51 decks
3%synergy
Dissipate
5.9%inclusion3 decks51 decks
3%synergy
Foil
5.9%inclusion3 decks51 decks
0%synergy
Archmage's Charm
5.9%inclusion3 decks51 decks
-11%synergy
Saw It Coming
5.9%inclusion3 decks51 decks
3%synergy
Essence Scatter
5.9%inclusion3 decks51 decks
2%synergy
Sorceries
Aquitect's Will
55%inclusion28 decks51 decks
50%synergy
Distant Melody
51%inclusion26 decks51 decks
46%synergy
Raise the Palisade
37%inclusion19 decks51 decks
34%synergy
Ponder
27%inclusion14 decks51 decks
-2%synergy
Preordain
20%inclusion10 decks51 decks
-4%synergy
Inundate
18%inclusion9 decks51 decks
16%synergy
Wanderwine Farewell
14%inclusion2 decks14 decks
14%synergy
Windfall
14%inclusion7 decks51 decks
-9%synergy
Wash Out
14%inclusion7 decks51 decks
9%synergy
River's Rebuke
14%inclusion7 decks51 decks
10%synergy
Chart a Course
12%inclusion6 decks51 decks
7%synergy
Rite of Replication
12%inclusion6 decks51 decks
5%synergy
Spectral Deluge
12%inclusion6 decks51 decks
1%synergy
Pull from the Deep
7.8%inclusion4 decks51 decks
8%synergy
Clear the Mind
7.8%inclusion4 decks51 decks
6%synergy
Crashing Tide
7.8%inclusion4 decks51 decks
8%synergy
Serum Visions
7.8%inclusion4 decks51 decks
-2%synergy
Sea Gate Restoration
7.8%inclusion4 decks51 decks
-7%synergy
Lórien Revealed
5.9%inclusion3 decks51 decks
-3%synergy
Curse of the Swine
5.9%inclusion3 decks51 decks
-5%synergy
Step Through
5.9%inclusion3 decks51 decks
1%synergy
Stream of Thought
5.9%inclusion3 decks51 decks
5%synergy
Breaking Wave
5.9%inclusion3 decks51 decks
6%synergy
Breakthrough
5.9%inclusion3 decks51 decks
6%synergy
Utility Artifacts
Bident of Thassa
53%inclusion27 decks51 decks
41%synergy
Quicksilver Fountain
31%inclusion16 decks51 decks
30%synergy
Herald's Horn
27%inclusion14 decks51 decks
26%synergy
Kefnet's Monument
25%inclusion13 decks51 decks
19%synergy
Door of Destinies
24%inclusion12 decks51 decks
23%synergy
Vanquisher's Banner
22%inclusion11 decks51 decks
20%synergy
Swiftfoot Boots
22%inclusion11 decks51 decks
-7%synergy
Chronicle of Victory
21%inclusion3 decks14 decks
21%synergy
Dawn-Blessed Pennant
21%inclusion3 decks14 decks
21%synergy
Sensei's Divining Top
20%inclusion10 decks51 decks
5%synergy
Banner of Kinship
20%inclusion10 decks51 decks
17%synergy
Lightning Greaves
20%inclusion10 decks51 decks
-7%synergy
Icon of Ancestry
14%inclusion7 decks51 decks
13%synergy
Coat of Arms
12%inclusion6 decks51 decks
10%synergy
Skullclamp
10%inclusion5 decks51 decks
4%synergy
Gathering Stone
7.1%inclusion1 decks14 decks
7%synergy
Staff of the Mind Magus
5.9%inclusion3 decks51 decks
5%synergy
Commander's Plate
5.9%inclusion3 decks51 decks
2%synergy
Obelisk of Urd
5.9%inclusion3 decks51 decks
5%synergy
Aether Vial
5.9%inclusion3 decks51 decks
5%synergy
Stoneforge Masterwork
5.9%inclusion3 decks51 decks
6%synergy
Urza's Incubator
5.9%inclusion3 decks51 decks
5%synergy
The Water Crystal
5.1%inclusion2 decks39 decks
-6%synergy
Enchantments
Kindred Discovery
53%inclusion27 decks51 decks
46%synergy
Spreading Seas
29%inclusion15 decks51 decks
28%synergy
Intruder Alarm
25%inclusion13 decks51 decks
23%synergy
Mystic Remora
25%inclusion13 decks51 decks
-1%synergy
Propaganda
24%inclusion12 decks51 decks
-7%synergy
Aquatic Incursion
20%inclusion10 decks51 decks
19%synergy
Leyline of Anticipation
16%inclusion8 decks51 decks
7%synergy
Wizard Class
14%inclusion7 decks51 decks
-3%synergy
Coastal Piracy
14%inclusion7 decks51 decks
9%synergy
Back to Basics
12%inclusion6 decks51 decks
5%synergy
Imprisoned in the Moon
10%inclusion5 decks51 decks
-2%synergy
Convincing Mirage
10%inclusion5 decks51 decks
10%synergy
Sea's Claim
10%inclusion5 decks51 decks
10%synergy
Reconnaissance Mission
7.8%inclusion4 decks51 decks
1%synergy
Witness Protection
7.8%inclusion4 decks51 decks
2%synergy
Opposition
7.8%inclusion4 decks51 decks
7%synergy
Noggle the Mind
7.7%inclusion1 decks13 decks
7%synergy
Impostor Syndrome
6.9%inclusion2 decks29 decks
5%synergy
Unstoppable Plan
6.0%inclusion3 decks50 decks
-2%synergy
Counterbalance
5.9%inclusion3 decks51 decks
2%synergy
Omniscience
5.9%inclusion3 decks51 decks
-3%synergy
Military Intelligence
5.9%inclusion3 decks51 decks
5%synergy
Eaten by Piranhas
5.9%inclusion3 decks51 decks
3%synergy
Utility Lands
Reliquary Tower
67%inclusion34 decks51 decks
10%synergy
Mystic Sanctuary
47%inclusion24 decks51 decks
-3%synergy
Three Tree City
33%inclusion17 decks51 decks
30%synergy
Nykthos, Shrine to Nyx
31%inclusion16 decks51 decks
15%synergy
Lonely Sandbar
29%inclusion15 decks51 decks
16%synergy
Rivendell
27%inclusion14 decks51 decks
16%synergy
Halimar Depths
27%inclusion14 decks51 decks
18%synergy
Castle Vantress
24%inclusion12 decks51 decks
5%synergy
Otawara, Soaring City
24%inclusion12 decks51 decks
-2%synergy
Riptide Laboratory
18%inclusion9 decks51 decks
8%synergy
Rogue's Passage
18%inclusion9 decks51 decks
2%synergy
Mutavault
16%inclusion8 decks51 decks
15%synergy
Hall of Storm Giants
14%inclusion7 decks51 decks
11%synergy
War Room
14%inclusion7 decks51 decks
-2%synergy
Agna Qel'a
13%inclusion3 decks23 decks
5%synergy
Minamo, School at Water's Edge
12%inclusion6 decks51 decks
-1%synergy
Academy Ruins
12%inclusion6 decks51 decks
-7%synergy
Coral Atoll
7.8%inclusion4 decks51 decks
4%synergy
Remote Isle
7.8%inclusion4 decks51 decks
3%synergy
Memorial to Genius
7.8%inclusion4 decks51 decks
6%synergy
Hidden Cataract
7.8%inclusion4 decks51 decks
6%synergy
Moonring Island
7.8%inclusion4 decks51 decks
7%synergy
Isolated Watchtower
5.9%inclusion3 decks51 decks
5%synergy
Urza's Saga
5.9%inclusion3 decks51 decks
-11%synergy
Svyelunite Temple
5.9%inclusion3 decks51 decks
5%synergy
Scavenger Grounds
5.9%inclusion3 decks51 decks
-2%synergy
Inventors' Fair
5.9%inclusion3 decks51 decks
-7%synergy
Sunken Palace
5.9%inclusion3 decks51 decks
2%synergy
Mana Artifacts
Sol Ring
76%inclusion39 decks51 decks
-9%synergy
Arcane Signet
49%inclusion25 decks51 decks
-16%synergy
Thought Vessel
25%inclusion13 decks51 decks
-26%synergy
Caged Sun
22%inclusion11 decks51 decks
11%synergy
Sky Diamond
18%inclusion9 decks51 decks
-5%synergy
Heraldic Banner
18%inclusion9 decks51 decks
12%synergy
Mind Stone
18%inclusion9 decks51 decks
-18%synergy
Patchwork Banner
16%inclusion8 decks51 decks
12%synergy
Midnight Clock
16%inclusion8 decks51 decks
-4%synergy
Bender's Waterskin
10%inclusion3 decks30 decks
0%synergy
Commander's Sphere
10%inclusion5 decks51 decks
1%synergy
Decanter of Endless Water
10%inclusion5 decks51 decks
-4%synergy
Fellwar Stone
10%inclusion5 decks51 decks
-10%synergy
Springleaf Drum
10%inclusion5 decks51 decks
6%synergy
Nyx Lotus
10%inclusion5 decks51 decks
6%synergy
Throne of Eldraine
7.8%inclusion4 decks51 decks
-1%synergy
Gilded Lotus
7.8%inclusion4 decks51 decks
-3%synergy
Firdoch Core
7.1%inclusion1 decks14 decks
6%synergy
Relic of Legends
5.9%inclusion3 decks51 decks
4%synergy
Extraplanar Lens
5.9%inclusion3 decks51 decks
-2%synergy
Lands
Island
96%inclusion49 decks51 decks
2%synergy
Path of Ancestry
39%inclusion20 decks51 decks
35%synergy
Cavern of Souls
25%inclusion13 decks51 decks
21%synergy
Sink into Stupor
24%inclusion12 decks51 decks
2%synergy
Myriad Landscape
22%inclusion11 decks51 decks
-4%synergy
Glasspool Mimic
10%inclusion5 decks51 decks
3%synergy
Misty Rainforest
7.8%inclusion4 decks51 decks
0%synergy
Jwari Disruption
7.8%inclusion4 decks51 decks
3%synergy
Sea Gate Restoration
7.8%inclusion4 decks51 decks
-7%synergy
Command Tower
5.9%inclusion3 decks51 decks
2%synergy
Polluted Delta
5.9%inclusion3 decks51 decks
-2%synergy
Flooded Strand
5.9%inclusion3 decks51 decks
-2%synergy
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