Emperor Mihail II (Commander) - Upgraded

Emperor Mihail II
Rank #1,506
53decks
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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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Utility Artifacts
Enchantments
Utility Lands
Mana Artifacts
Lands
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Harmonized Trio
50%inclusion3 decks6 decks
47%synergy
Attuma, Atlantean Warlord
13%inclusion4 decks31 decks
12%synergy
Namor the Sub-Mariner
10%inclusion3 decks31 decks
9%synergy
High Synergy Cards
Svyelun of Sea and Sky
98%inclusion52 decks53 decks
97%synergy
Vodalian Hexcatcher
98%inclusion52 decks53 decks
97%synergy
Stonybrook Banneret
98%inclusion52 decks53 decks
95%synergy
Merrow Reejerey
94%inclusion50 decks53 decks
93%synergy
Master of the Pearl Trident
94%inclusion50 decks53 decks
93%synergy
Merfolk Sovereign
92%inclusion49 decks53 decks
91%synergy
Lord of Atlantis
91%inclusion48 decks53 decks
89%synergy
Deeproot Waters
89%inclusion47 decks53 decks
87%synergy
Kopala, Warden of Waves
89%inclusion47 decks53 decks
87%synergy
Seafloor Oracle
85%inclusion45 decks53 decks
84%synergy
Top Cards
Counterspell
87%inclusion46 decks53 decks
21%synergy
Deeproot Pilgrimage
83%inclusion44 decks53 decks
81%synergy
Merrow Commerce
81%inclusion43 decks53 decks
80%synergy
Merrow Harbinger
77%inclusion41 decks53 decks
76%synergy
Sapphire Medallion
72%inclusion38 decks53 decks
13%synergy
Lullmage Mentor
68%inclusion36 decks53 decks
66%synergy
Mist Dancer
66%inclusion35 decks53 decks
65%synergy
Merfolk Trickster
64%inclusion34 decks53 decks
63%synergy
Thieving Skydiver
60%inclusion32 decks53 decks
56%synergy
Reflections of Littjara
60%inclusion32 decks53 decks
57%synergy
Game Changers
Rhystic Study
30%inclusion16 decks53 decks
-2%synergy
Thassa's Oracle
21%inclusion11 decks53 decks
8%synergy
Cyclonic Rift
21%inclusion11 decks53 decks
-12%synergy
Mystical Tutor
11%inclusion6 decks53 decks
-11%synergy
Force of Will
9.4%inclusion5 decks53 decks
-7%synergy
Fierce Guardianship
7.5%inclusion4 decks53 decks
-15%synergy
Chrome Mox
5.7%inclusion3 decks53 decks
-3%synergy
Creatures
Deepchannel Mentor
58%inclusion31 decks53 decks
57%synergy
Mindspring Merfolk
58%inclusion30 decks52 decks
57%synergy
Tishana's Tidebinder
51%inclusion27 decks53 decks
47%synergy
Coralhelm Commander
47%inclusion25 decks53 decks
46%synergy
Thada Adel, Acquisitor
47%inclusion25 decks53 decks
45%synergy
Disruptor of Currents
46%inclusion12 decks26 decks
45%synergy
River Sneak
45%inclusion24 decks53 decks
45%synergy
Tempest Caller
45%inclusion24 decks53 decks
44%synergy
Tide Shaper
45%inclusion24 decks53 decks
44%synergy
Mist-Cloaked Herald
45%inclusion24 decks53 decks
43%synergy
Harbinger of the Tides
43%inclusion23 decks53 decks
42%synergy
Champions of the Shoal
38%inclusion10 decks26 decks
38%synergy
Silvergill Adept
38%inclusion20 decks53 decks
37%synergy
Wanderwine Prophets
38%inclusion20 decks53 decks
37%synergy
True-Name Nemesis
36%inclusion19 decks53 decks
35%synergy
Cosi's Trickster
36%inclusion19 decks53 decks
35%synergy
Seahunter
34%inclusion18 decks53 decks
33%synergy
Triton Shorestalker
34%inclusion18 decks53 decks
31%synergy
Cursecatcher
34%inclusion18 decks53 decks
32%synergy
Silvergill Mentor
31%inclusion8 decks26 decks
30%synergy
Empress Galina
30%inclusion16 decks53 decks
29%synergy
Summon: Leviathan
29%inclusion13 decks45 decks
27%synergy
Streambed Aquitects
28%inclusion15 decks53 decks
28%synergy
Harbinger of the Seas
28%inclusion15 decks53 decks
20%synergy
Kiora, the Rising Tide
27%inclusion14 decks52 decks
24%synergy
Master of Waves
26%inclusion14 decks53 decks
23%synergy
Tidal Warrior
26%inclusion14 decks53 decks
26%synergy
Merfolk Looter
23%inclusion12 decks53 decks
20%synergy
Floodpits Drowner
21%inclusion11 decks53 decks
19%synergy
Thassa, God of the Sea
21%inclusion11 decks53 decks
17%synergy
Rishadan Dockhand
21%inclusion11 decks53 decks
20%synergy
Drowner of Secrets
21%inclusion11 decks53 decks
20%synergy
Defiler of Dreams
19%inclusion10 decks53 decks
11%synergy
Wake Thrasher
19%inclusion10 decks53 decks
18%synergy
Stormtide Leviathan
17%inclusion9 decks53 decks
10%synergy
Tideshaper Mystic
15%inclusion8 decks53 decks
15%synergy
Reef Shaman
15%inclusion8 decks53 decks
15%synergy
Mistcaller
15%inclusion8 decks53 decks
14%synergy
Enclave Cryptologist
15%inclusion8 decks53 decks
14%synergy
Library Larcenist
15%inclusion8 decks53 decks
14%synergy
Gray Harbor Merfolk
15%inclusion8 decks53 decks
15%synergy
Sea Scryer
15%inclusion8 decks53 decks
14%synergy
Titan of Littjara
15%inclusion8 decks53 decks
13%synergy
Omni-Changeling
12%inclusion3 decks26 decks
9%synergy
Umara Wizard
11%inclusion6 decks53 decks
11%synergy
Adaptive Automaton
11%inclusion6 decks53 decks
10%synergy
Fallowsage
11%inclusion6 decks53 decks
11%synergy
Shipwreck Dowser
11%inclusion6 decks53 decks
9%synergy
Alandra, Sky Dreamer
11%inclusion6 decks53 decks
4%synergy
Talrand, Sky Summoner
11%inclusion6 decks53 decks
-2%synergy
Instants
High Tide
53%inclusion28 decks53 decks
9%synergy
Harmonized Crescendo
46%inclusion12 decks26 decks
43%synergy
Pongify
45%inclusion24 decks53 decks
5%synergy
Negate
42%inclusion22 decks53 decks
4%synergy
Rapid Hybridization
38%inclusion20 decks53 decks
3%synergy
An Offer You Can't Refuse
38%inclusion20 decks53 decks
0%synergy
Reality Shift
38%inclusion20 decks53 decks
11%synergy
Aetherize
32%inclusion17 decks53 decks
2%synergy
Thassa's Rebuff
32%inclusion17 decks53 decks
31%synergy
Brainstorm
30%inclusion16 decks53 decks
-11%synergy
Arcane Denial
28%inclusion15 decks53 decks
-8%synergy
Flare of Denial
26%inclusion14 decks53 decks
20%synergy
Cryptic Command
23%inclusion12 decks53 decks
11%synergy
Sink into Stupor
23%inclusion12 decks53 decks
1%synergy
Muddle the Mixture
21%inclusion11 decks53 decks
5%synergy
Mana Drain
21%inclusion11 decks53 decks
-6%synergy
Flow of Knowledge
21%inclusion11 decks53 decks
5%synergy
Swan Song
17%inclusion9 decks53 decks
-10%synergy
Engulf the Shore
15%inclusion8 decks53 decks
7%synergy
Filter Out
13%inclusion7 decks53 decks
10%synergy
Opt
11%inclusion6 decks53 decks
-14%synergy
Abjure
11%inclusion6 decks53 decks
7%synergy
Resculpt
11%inclusion6 decks53 decks
-6%synergy
Spell Pierce
11%inclusion6 decks53 decks
3%synergy
Aetherspouts
9.4%inclusion5 decks53 decks
2%synergy
Mystic Reflection
9.4%inclusion5 decks53 decks
8%synergy
Force of Negation
9.4%inclusion5 decks53 decks
-6%synergy
Snap
9.4%inclusion5 decks53 decks
-9%synergy
Mystic Confluence
9.4%inclusion5 decks53 decks
0%synergy
Wash Away
9.4%inclusion5 decks53 decks
5%synergy
Three Steps Ahead
7.5%inclusion4 decks53 decks
-3%synergy
Transcendent Message
7.5%inclusion4 decks53 decks
6%synergy
Archmage's Charm
7.5%inclusion4 decks53 decks
-9%synergy
Disallow
7.5%inclusion4 decks53 decks
1%synergy
Into the Flood Maw
7.5%inclusion4 decks53 decks
1%synergy
Narset's Reversal
7.5%inclusion4 decks53 decks
-5%synergy
Thassa's Intervention
7.5%inclusion4 decks53 decks
7%synergy
Frantic Search
5.7%inclusion3 decks53 decks
-25%synergy
Brainsurge
5.7%inclusion3 decks53 decks
-2%synergy
Dispel
5.7%inclusion3 decks53 decks
-3%synergy
Foil
5.7%inclusion3 decks53 decks
0%synergy
Unsummon
5.7%inclusion3 decks53 decks
1%synergy
Saw It Coming
5.7%inclusion3 decks53 decks
3%synergy
Jwari Disruption
5.7%inclusion3 decks53 decks
1%synergy
Misdirection
5.7%inclusion3 decks53 decks
0%synergy
March of Swirling Mist
5.7%inclusion3 decks53 decks
-2%synergy
Strix Serenade
5.7%inclusion3 decks53 decks
-3%synergy
Wizard's Retort
5.7%inclusion3 decks53 decks
1%synergy
Sorceries
Aquitect's Will
58%inclusion31 decks53 decks
53%synergy
Distant Melody
47%inclusion25 decks53 decks
42%synergy
Ponder
36%inclusion19 decks53 decks
6%synergy
Raise the Palisade
36%inclusion19 decks53 decks
33%synergy
Preordain
26%inclusion14 decks53 decks
3%synergy
Rite of Replication
17%inclusion9 decks53 decks
10%synergy
Wash Out
15%inclusion8 decks53 decks
10%synergy
Ravenform
15%inclusion8 decks53 decks
7%synergy
Spectral Deluge
15%inclusion8 decks53 decks
5%synergy
Inundate
13%inclusion7 decks53 decks
11%synergy
Sea Gate Restoration
13%inclusion7 decks53 decks
-2%synergy
Wanderwine Farewell
12%inclusion3 decks26 decks
11%synergy
Crashing Tide
11%inclusion6 decks53 decks
11%synergy
Flow of Ideas
11%inclusion6 decks53 decks
7%synergy
Curse of the Swine
9.4%inclusion5 decks53 decks
-2%synergy
Windfall
7.5%inclusion4 decks53 decks
-15%synergy
Chart a Course
7.5%inclusion4 decks53 decks
3%synergy
Serum Visions
7.5%inclusion4 decks53 decks
-2%synergy
Consuming Tide
5.7%inclusion3 decks53 decks
2%synergy
Step Through
5.7%inclusion3 decks53 decks
0%synergy
Utility Artifacts
Bident of Thassa
53%inclusion28 decks53 decks
41%synergy
Herald's Horn
43%inclusion23 decks53 decks
42%synergy
Kefnet's Monument
40%inclusion21 decks53 decks
33%synergy
Vanquisher's Banner
28%inclusion15 decks53 decks
27%synergy
Wayfarer's Bauble
26%inclusion14 decks53 decks
9%synergy
Door of Destinies
26%inclusion14 decks53 decks
26%synergy
Banner of Kinship
25%inclusion13 decks52 decks
22%synergy
Swiftfoot Boots
23%inclusion12 decks53 decks
-6%synergy
Sensei's Divining Top
19%inclusion10 decks53 decks
4%synergy
Quicksilver Fountain
17%inclusion9 decks53 decks
15%synergy
Chronicle of Victory
15%inclusion4 decks26 decks
15%synergy
Skullclamp
15%inclusion8 decks53 decks
9%synergy
Lightning Greaves
15%inclusion8 decks53 decks
-11%synergy
Icon of Ancestry
13%inclusion7 decks53 decks
13%synergy
Coat of Arms
13%inclusion7 decks53 decks
12%synergy
Stoneforge Masterwork
11%inclusion6 decks53 decks
11%synergy
Obelisk of Urd
9.4%inclusion5 decks53 decks
8%synergy
The Water Crystal
9.3%inclusion4 decks43 decks
-1%synergy
Gathering Stone
7.7%inclusion2 decks26 decks
7%synergy
Dawn-Blessed Pennant
7.7%inclusion2 decks26 decks
8%synergy
Waterbending Scroll
6.1%inclusion2 decks33 decks
-3%synergy
Sword of the Animist
5.7%inclusion3 decks53 decks
0%synergy
Enchantments
Kindred Discovery
53%inclusion28 decks53 decks
46%synergy
Reconnaissance Mission
34%inclusion18 decks53 decks
27%synergy
Propaganda
23%inclusion12 decks53 decks
-8%synergy
Spreading Seas
23%inclusion12 decks53 decks
22%synergy
Aquatic Incursion
19%inclusion10 decks53 decks
19%synergy
Mystic Remora
17%inclusion9 decks53 decks
-10%synergy
Coastal Piracy
17%inclusion9 decks53 decks
12%synergy
Intruder Alarm
15%inclusion8 decks53 decks
12%synergy
Imprisoned in the Moon
15%inclusion8 decks53 decks
3%synergy
Wizard Class
15%inclusion8 decks53 decks
-2%synergy
Witness Protection
11%inclusion6 decks53 decks
6%synergy
Leyline of Anticipation
11%inclusion6 decks53 decks
2%synergy
Unstoppable Plan
10%inclusion5 decks52 decks
2%synergy
Eaten by Piranhas
7.5%inclusion4 decks53 decks
5%synergy
Curiosity
5.7%inclusion3 decks53 decks
3%synergy
Unable to Scream
5.7%inclusion3 decks53 decks
2%synergy
Utter Insignificance
5.7%inclusion3 decks53 decks
4%synergy
Levitation
5.7%inclusion3 decks53 decks
5%synergy
Opposition
5.7%inclusion3 decks53 decks
5%synergy
Amphibian Downpour
5.7%inclusion3 decks53 decks
0%synergy
Utility Lands
Reliquary Tower
51%inclusion27 decks53 decks
-5%synergy
Three Tree City
47%inclusion25 decks53 decks
44%synergy
Nykthos, Shrine to Nyx
45%inclusion24 decks53 decks
29%synergy
Mystic Sanctuary
43%inclusion23 decks53 decks
-6%synergy
Castle Vantress
38%inclusion20 decks53 decks
19%synergy
Otawara, Soaring City
30%inclusion16 decks53 decks
5%synergy
Rivendell
25%inclusion13 decks53 decks
14%synergy
Halimar Depths
23%inclusion12 decks53 decks
13%synergy
Rogue's Passage
23%inclusion12 decks53 decks
7%synergy
Lonely Sandbar
21%inclusion11 decks53 decks
7%synergy
War Room
21%inclusion11 decks53 decks
5%synergy
Riptide Laboratory
13%inclusion7 decks53 decks
3%synergy
Remote Isle
13%inclusion7 decks53 decks
8%synergy
Scavenger Grounds
13%inclusion7 decks53 decks
6%synergy
Minamo, School at Water's Edge
11%inclusion6 decks53 decks
-1%synergy
Mutavault
11%inclusion6 decks53 decks
10%synergy
Coral Atoll
11%inclusion6 decks53 decks
8%synergy
Memorial to Genius
11%inclusion6 decks53 decks
10%synergy
Mistrise Village
10%inclusion5 decks49 decks
1%synergy
Terrain Generator
9.4%inclusion5 decks53 decks
2%synergy
Desert of the Mindful
7.5%inclusion4 decks53 decks
4%synergy
Tolaria West
5.7%inclusion3 decks53 decks
0%synergy
Geier Reach Sanitarium
5.7%inclusion3 decks53 decks
2%synergy
Hidden Cataract
5.7%inclusion3 decks53 decks
4%synergy
Deserted Temple
5.7%inclusion3 decks53 decks
5%synergy
Sunken Palace
5.7%inclusion3 decks53 decks
2%synergy
Temple of the False God
5.7%inclusion3 decks53 decks
-4%synergy
Mana Artifacts
Sol Ring
83%inclusion44 decks53 decks
-2%synergy
Arcane Signet
55%inclusion29 decks53 decks
-10%synergy
Thought Vessel
42%inclusion22 decks53 decks
-10%synergy
Heraldic Banner
36%inclusion19 decks53 decks
30%synergy
Patchwork Banner
32%inclusion17 decks53 decks
29%synergy
Sky Diamond
28%inclusion15 decks53 decks
6%synergy
Mind Stone
23%inclusion12 decks53 decks
-13%synergy
Caged Sun
17%inclusion9 decks53 decks
6%synergy
Decanter of Endless Water
17%inclusion9 decks53 decks
3%synergy
Throne of Eldraine
17%inclusion9 decks53 decks
8%synergy
Midnight Clock
17%inclusion9 decks53 decks
-3%synergy
Nyx Lotus
15%inclusion8 decks53 decks
11%synergy
Gauntlet of Power
13%inclusion7 decks53 decks
9%synergy
Commander's Sphere
9.4%inclusion5 decks53 decks
0%synergy
Springleaf Drum
9.4%inclusion5 decks53 decks
6%synergy
Fellwar Stone
9.4%inclusion5 decks53 decks
-10%synergy
White Lotus Tile
9.1%inclusion3 decks33 decks
8%synergy
Firdoch Core
7.7%inclusion2 decks26 decks
7%synergy
Lotus Petal
7.5%inclusion4 decks53 decks
-4%synergy
Extraplanar Lens
5.7%inclusion3 decks53 decks
-2%synergy
Lands
Island
96%inclusion51 decks53 decks
3%synergy
Path of Ancestry
43%inclusion23 decks53 decks
40%synergy
Cavern of Souls
34%inclusion18 decks53 decks
29%synergy
Myriad Landscape
30%inclusion16 decks53 decks
5%synergy
Sink into Stupor
23%inclusion12 decks53 decks
1%synergy
Sea Gate Restoration
13%inclusion7 decks53 decks
-2%synergy
Umara Wizard
11%inclusion6 decks53 decks
11%synergy
Glasspool Mimic
9.4%inclusion5 decks53 decks
3%synergy
Terramorphic Expanse
7.5%inclusion4 decks53 decks
4%synergy
Evolving Wilds
7.5%inclusion4 decks53 decks
3%synergy
Misty Rainforest
5.7%inclusion3 decks53 decks
-2%synergy
Jwari Disruption
5.7%inclusion3 decks53 decks
1%synergy
Scalding Tarn
5.7%inclusion3 decks53 decks
-2%synergy
Flooded Strand
5.7%inclusion3 decks53 decks
-3%synergy
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