Belbe, Corrupted Observer (Commander) - Optimized Group Slug

Belbe, Corrupted Observer
Rank #597
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Background image for Can Bar Decks Fix the Hassle and Complexity of Commander?
Ezra Sassaman
Mar 26, 2026
Ezra Sassaman
Can Bar Decks Fix the Hassle and Complexity of Commander?
Wanna play Commander at your local bar, but don't want the hassle of dice, tokens, and reminder cards? Maybe Bar Decks is your answer.
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Postmortem Professor
100%inclusion1 decks1 decks
100%synergy
High Synergy Cards
Pulse Tracker
86%inclusion6 decks7 decks
85%synergy
Vicious Conquistador
86%inclusion6 decks7 decks
85%synergy
Mardu Shadowspear
71%inclusion5 decks7 decks
70%synergy
Night Market Lookout
71%inclusion5 decks7 decks
70%synergy
Breaker of Creation
57%inclusion4 decks7 decks
57%synergy
Pathrazer of Ulamog
57%inclusion4 decks7 decks
57%synergy
Void Winnower
57%inclusion4 decks7 decks
57%synergy
God-Pharaoh's Statue
57%inclusion4 decks7 decks
57%synergy
Artisan of Kozilek
57%inclusion4 decks7 decks
56%synergy
Loyal Subordinate
57%inclusion4 decks7 decks
56%synergy
Top Cards
Assassin's Trophy
71%inclusion5 decks7 decks
26%synergy
Creeping Bloodsucker
57%inclusion4 decks7 decks
56%synergy
Deathrite Shaman
57%inclusion4 decks7 decks
43%synergy
Psychosis Crawler
57%inclusion4 decks7 decks
55%synergy
Garruk's Uprising
57%inclusion4 decks7 decks
50%synergy
Steel Hellkite
57%inclusion4 decks7 decks
56%synergy
Sanctum of Stone Fangs
57%inclusion4 decks7 decks
56%synergy
Game Changers
Demonic Tutor
29%inclusion2 decks7 decks
13%synergy
Crop Rotation
14%inclusion1 decks7 decks
6%synergy
Necropotence
14%inclusion1 decks7 decks
11%synergy
Braids, Cabal Minion
14%inclusion1 decks7 decks
14%synergy
Worldly Tutor
14%inclusion1 decks7 decks
4%synergy
Vampiric Tutor
14%inclusion1 decks7 decks
4%synergy
Creatures
Sanguine Syphoner
50%inclusion3 decks6 decks
49%synergy
The Walls of Ba Sing Se
50%inclusion1 decks2 decks
49%synergy
Kozilek, the Great Distortion
43%inclusion3 decks7 decks
42%synergy
Ulamog's Crusher
43%inclusion3 decks7 decks
42%synergy
Thornbow Archer
43%inclusion3 decks7 decks
42%synergy
Shepherd of Rot
43%inclusion3 decks7 decks
42%synergy
It That Betrays
43%inclusion3 decks7 decks
42%synergy
Ulamog, the Infinite Gyre
43%inclusion3 decks7 decks
42%synergy
Scrawling Crawler
33%inclusion2 decks6 decks
32%synergy
Summon: Bahamut
33%inclusion2 decks6 decks
33%synergy
Terastodon
29%inclusion2 decks7 decks
27%synergy
Selvala, Heart of the Wilds
29%inclusion2 decks7 decks
25%synergy
Flayer of Loyalties
29%inclusion2 decks7 decks
28%synergy
Disciple of Freyalise
29%inclusion2 decks7 decks
20%synergy
Bane of Bala Ged
29%inclusion2 decks7 decks
28%synergy
Emrakul, the Promised End
29%inclusion2 decks7 decks
28%synergy
Plague Spitter
29%inclusion2 decks7 decks
28%synergy
Wandering Archaic
29%inclusion2 decks7 decks
28%synergy
Llanowar Elves
29%inclusion2 decks7 decks
-6%synergy
Kozilek, Butcher of Truth
29%inclusion2 decks7 decks
27%synergy
Ulamog, the Defiler
29%inclusion2 decks7 decks
28%synergy
Apex Devastator
29%inclusion2 decks7 decks
28%synergy
Conduit of Ruin
29%inclusion2 decks7 decks
28%synergy
Birds of Paradise
29%inclusion2 decks7 decks
8%synergy
Cityscape Leveler
29%inclusion2 decks7 decks
28%synergy
World Breaker
29%inclusion2 decks7 decks
28%synergy
Zhulodok, Void Gorger
29%inclusion2 decks7 decks
28%synergy
Persistent Constrictor
17%inclusion1 decks6 decks
15%synergy
Summon: Primal Odin
17%inclusion1 decks6 decks
16%synergy
Ancient Adamantoise
17%inclusion1 decks6 decks
16%synergy
Solemn Simulacrum
14%inclusion1 decks7 decks
5%synergy
Reclamation Sage
14%inclusion1 decks7 decks
-4%synergy
Herd Baloth
14%inclusion1 decks7 decks
13%synergy
Maelstrom Colossus
14%inclusion1 decks7 decks
14%synergy
Ulamog, the Ceaseless Hunger
14%inclusion1 decks7 decks
14%synergy
Glaring Fleshraker
14%inclusion1 decks7 decks
14%synergy
Crypt Rats
14%inclusion1 decks7 decks
14%synergy
Whispering Specter
14%inclusion1 decks7 decks
14%synergy
Darksteel Colossus
14%inclusion1 decks7 decks
14%synergy
Silent Arbiter
14%inclusion1 decks7 decks
14%synergy
Asmodeus the Archfiend
14%inclusion1 decks7 decks
14%synergy
Elves of Deep Shadow
14%inclusion1 decks7 decks
-4%synergy
Dina, Soul Steeper
14%inclusion1 decks7 decks
10%synergy
Entourage of Trest
14%inclusion1 decks7 decks
14%synergy
Necrotic Ooze
14%inclusion1 decks7 decks
13%synergy
Dwynen, Gilt-Leaf Daen
14%inclusion1 decks7 decks
6%synergy
Vampire Spawn
14%inclusion1 decks7 decks
14%synergy
Elder Gargaroth
14%inclusion1 decks7 decks
14%synergy
Shaman of the Pack
14%inclusion1 decks7 decks
7%synergy
Kozilek, the Broken Reality
14%inclusion1 decks7 decks
14%synergy
Instants
Putrefy
43%inclusion3 decks7 decks
8%synergy
Veil of Summer
29%inclusion2 decks7 decks
23%synergy
Fell the Profane
29%inclusion2 decks7 decks
19%synergy
Abrupt Decay
29%inclusion2 decks7 decks
13%synergy
Heroic Intervention
29%inclusion2 decks7 decks
-3%synergy
Return of the Wildspeaker
29%inclusion2 decks7 decks
18%synergy
Dark Ritual
29%inclusion2 decks7 decks
11%synergy
Nature's Claim
29%inclusion2 decks7 decks
19%synergy
Suspended Sentence
17%inclusion1 decks6 decks
17%synergy
Deadly Rollick
14%inclusion1 decks7 decks
3%synergy
Snuff Out
14%inclusion1 decks7 decks
13%synergy
Village Rites
14%inclusion1 decks7 decks
-2%synergy
Krosan Grip
14%inclusion1 decks7 decks
8%synergy
Grim Affliction
14%inclusion1 decks7 decks
13%synergy
Legolas's Quick Reflexes
14%inclusion1 decks7 decks
12%synergy
Force of Vigor
14%inclusion1 decks7 decks
10%synergy
Smuggler's Surprise
14%inclusion1 decks7 decks
13%synergy
Tear Asunder
14%inclusion1 decks7 decks
-1%synergy
Altar's Reap
14%inclusion1 decks7 decks
13%synergy
Beast Within
14%inclusion1 decks7 decks
-21%synergy
Deathsprout
14%inclusion1 decks7 decks
8%synergy
Eldritch Immunity
14%inclusion1 decks7 decks
14%synergy
Inspire Awe
14%inclusion1 decks7 decks
14%synergy
Elven Ambush
14%inclusion1 decks7 decks
6%synergy
Black Sun's Twilight
14%inclusion1 decks7 decks
14%synergy
Tamiyo's Safekeeping
14%inclusion1 decks7 decks
6%synergy
Warping Wail
14%inclusion1 decks7 decks
14%synergy
Cast Down
14%inclusion1 decks7 decks
14%synergy
Breathe Your Last
14%inclusion1 decks7 decks
14%synergy
Sudden Spoiling
14%inclusion1 decks7 decks
13%synergy
Windgrace's Judgment
14%inclusion1 decks7 decks
10%synergy
Once and Future
14%inclusion1 decks7 decks
14%synergy
Tragic Slip
14%inclusion1 decks7 decks
10%synergy
Sorceries
Culling Ritual
43%inclusion3 decks7 decks
22%synergy
Rise of the Eldrazi
43%inclusion3 decks7 decks
43%synergy
Tooth and Nail
29%inclusion2 decks7 decks
28%synergy
Last March of the Ents
29%inclusion2 decks7 decks
27%synergy
Vicious Rumors
29%inclusion2 decks7 decks
28%synergy
Smallpox
29%inclusion2 decks7 decks
28%synergy
Ancient Stirrings
29%inclusion2 decks7 decks
29%synergy
In Garruk's Wake
29%inclusion2 decks7 decks
24%synergy
Toxic Deluge
29%inclusion2 decks7 decks
8%synergy
Risky Shortcut
17%inclusion1 decks6 decks
16%synergy
Green Sun's Twilight
14%inclusion1 decks7 decks
14%synergy
Diabolic Intent
14%inclusion1 decks7 decks
4%synergy
Victimize
14%inclusion1 decks7 decks
-5%synergy
Damnable Pact
14%inclusion1 decks7 decks
13%synergy
Torment of Hailfire
14%inclusion1 decks7 decks
9%synergy
Soul Exchange
14%inclusion1 decks7 decks
14%synergy
Rise of the Witch-king
14%inclusion1 decks7 decks
2%synergy
Turntimber Symbiosis
14%inclusion1 decks7 decks
13%synergy
Farseek
14%inclusion1 decks7 decks
-4%synergy
Soul's Majesty
14%inclusion1 decks7 decks
13%synergy
Agadeem's Awakening
14%inclusion1 decks7 decks
11%synergy
Drown in Filth
14%inclusion1 decks7 decks
14%synergy
Casualties of War
14%inclusion1 decks7 decks
4%synergy
Death Cloud
14%inclusion1 decks7 decks
14%synergy
Killing Wave
14%inclusion1 decks7 decks
14%synergy
Adventure Awaits
14%inclusion1 decks7 decks
14%synergy
Ancient Craving
14%inclusion1 decks7 decks
13%synergy
Elvish Promenade
14%inclusion1 decks7 decks
7%synergy
Liliana's Influence
14%inclusion1 decks7 decks
14%synergy
Night's Whisper
14%inclusion1 decks7 decks
6%synergy
Exsanguinate
14%inclusion1 decks7 decks
7%synergy
Buried Alive
14%inclusion1 decks7 decks
6%synergy
Ambition's Cost
14%inclusion1 decks7 decks
13%synergy
Rampant Growth
14%inclusion1 decks7 decks
-19%synergy
Cultivate
14%inclusion1 decks7 decks
-25%synergy
Decree of Pain
14%inclusion1 decks7 decks
10%synergy
Maelstrom Pulse
14%inclusion1 decks7 decks
8%synergy
Insatiable Avarice
14%inclusion1 decks7 decks
12%synergy
Necromantic Selection
14%inclusion1 decks7 decks
13%synergy
Deadly Tempest
14%inclusion1 decks7 decks
12%synergy
Sign in Blood
14%inclusion1 decks7 decks
7%synergy
Life's Legacy
14%inclusion1 decks7 decks
12%synergy
Ichor Explosion
14%inclusion1 decks7 decks
14%synergy
Migration Path
14%inclusion1 decks7 decks
13%synergy
Open the Way
14%inclusion1 decks7 decks
13%synergy
Genesis Wave
14%inclusion1 decks7 decks
11%synergy
Bounty of Skemfar
14%inclusion1 decks7 decks
12%synergy
Breach the Multiverse
14%inclusion1 decks7 decks
11%synergy
Reshape the Earth
14%inclusion1 decks7 decks
14%synergy
Utility Artifacts
Portal to Phyrexia
43%inclusion3 decks7 decks
42%synergy
Cryptolith Fragment
43%inclusion3 decks7 decks
42%synergy
Drossclaw
43%inclusion3 decks7 decks
43%synergy
Bontu's Monument
29%inclusion2 decks7 decks
27%synergy
Lightning Greaves
29%inclusion2 decks7 decks
7%synergy
Ugin's Nexus
29%inclusion2 decks7 decks
28%synergy
Requiem Monolith
17%inclusion1 decks6 decks
16%synergy
Voltaic Key
14%inclusion1 decks7 decks
14%synergy
Thorn of Amethyst
14%inclusion1 decks7 decks
14%synergy
Winter Orb
14%inclusion1 decks7 decks
14%synergy
The Immortal Sun
14%inclusion1 decks7 decks
14%synergy
Mind's Eye
14%inclusion1 decks7 decks
14%synergy
Forsaken Monument
14%inclusion1 decks7 decks
14%synergy
Mana Web
14%inclusion1 decks7 decks
14%synergy
Planar Bridge
14%inclusion1 decks7 decks
14%synergy
Expedition Map
14%inclusion1 decks7 decks
13%synergy
Nevinyrral's Disk
14%inclusion1 decks7 decks
13%synergy
Whispersilk Cloak
14%inclusion1 decks7 decks
9%synergy
Horizon Stone
14%inclusion1 decks7 decks
14%synergy
Nihil Spellbomb
14%inclusion1 decks7 decks
14%synergy
Tangle Wire
14%inclusion1 decks7 decks
14%synergy
Swiftfoot Boots
14%inclusion1 decks7 decks
-10%synergy
Short Bow
14%inclusion1 decks7 decks
14%synergy
Strionic Resonator
14%inclusion1 decks7 decks
13%synergy
Eye of Yawgmoth
14%inclusion1 decks7 decks
14%synergy
Memory Jar
14%inclusion1 decks7 decks
14%synergy
Angelheart Vial
14%inclusion1 decks7 decks
14%synergy
The Chain Veil
14%inclusion1 decks7 decks
13%synergy
Smokestack
14%inclusion1 decks7 decks
14%synergy
Darksteel Monolith
14%inclusion1 decks7 decks
14%synergy
Enchantments
Up the Beanstalk
29%inclusion2 decks7 decks
28%synergy
Echoes of Eternity
29%inclusion2 decks7 decks
28%synergy
Retreat to Hagra
29%inclusion2 decks7 decks
25%synergy
Defense of the Heart
29%inclusion2 decks7 decks
27%synergy
Doubling Season
14%inclusion1 decks7 decks
-2%synergy
Choke
14%inclusion1 decks7 decks
14%synergy
Greed's Gambit
14%inclusion1 decks7 decks
14%synergy
Prowess of the Fair
14%inclusion1 decks7 decks
9%synergy
Eldrazi Conscription
14%inclusion1 decks7 decks
14%synergy
Tinybones Joins Up
14%inclusion1 decks7 decks
14%synergy
Elderfang Venom
14%inclusion1 decks7 decks
8%synergy
Deadbridge Chant
14%inclusion1 decks7 decks
9%synergy
Glistening Oil
14%inclusion1 decks7 decks
14%synergy
Court of Ambition
14%inclusion1 decks7 decks
14%synergy
Moldervine Reclamation
14%inclusion1 decks7 decks
-9%synergy
Monstrous Vortex
14%inclusion1 decks7 decks
14%synergy
Pride of the Perfect
14%inclusion1 decks7 decks
12%synergy
Sylvan Library
14%inclusion1 decks7 decks
5%synergy
Desolation
14%inclusion1 decks7 decks
14%synergy
Unholy Annex // Ritual Chamber
14%inclusion1 decks7 decks
14%synergy
Painful Quandary
14%inclusion1 decks7 decks
14%synergy
Colossal Majesty
14%inclusion1 decks7 decks
13%synergy
Pestilence
14%inclusion1 decks7 decks
14%synergy
Greater Good
14%inclusion1 decks7 decks
9%synergy
Ritual of Subdual
14%inclusion1 decks7 decks
14%synergy
Abundance
14%inclusion1 decks7 decks
13%synergy
Phyrexian Arena
14%inclusion1 decks7 decks
1%synergy
The World Spell
14%inclusion1 decks7 decks
14%synergy
Battles
Invasion of Shandalar
14%inclusion1 decks7 decks
14%synergy
Planeswalkers
Ugin, the Ineffable
43%inclusion3 decks7 decks
42%synergy
Ugin, Eye of the Storms
33%inclusion2 decks6 decks
33%synergy
Tyvar Kell
14%inclusion1 decks7 decks
7%synergy
Karn, the Great Creator
14%inclusion1 decks7 decks
13%synergy
Liliana, Death Wielder
14%inclusion1 decks7 decks
14%synergy
Ugin, the Spirit Dragon
14%inclusion1 decks7 decks
13%synergy
Garruk, Apex Predator
14%inclusion1 decks7 decks
13%synergy
Utility Lands
Leechridden Swamp
57%inclusion4 decks7 decks
56%synergy
Ba Sing Se
50%inclusion1 decks2 decks
48%synergy
Bojuka Bog
29%inclusion2 decks7 decks
-12%synergy
Mosswort Bridge
29%inclusion2 decks7 decks
23%synergy
Yavimaya, Cradle of Growth
29%inclusion2 decks7 decks
1%synergy
Boseiju, Who Endures
29%inclusion2 decks7 decks
10%synergy
Urborg, Tomb of Yawgmoth
29%inclusion2 decks7 decks
6%synergy
Eumidian Hatchery
17%inclusion1 decks6 decks
15%synergy
Wasteland
14%inclusion1 decks7 decks
13%synergy
Desert of the Glorified
14%inclusion1 decks7 decks
14%synergy
Boseiju, Who Shelters All
14%inclusion1 decks7 decks
14%synergy
Grasping Dunes
14%inclusion1 decks7 decks
14%synergy
Scavenger Grounds
14%inclusion1 decks7 decks
13%synergy
War Room
14%inclusion1 decks7 decks
13%synergy
Sanctum of Ugin
14%inclusion1 decks7 decks
14%synergy
Cabal Coffers
14%inclusion1 decks7 decks
6%synergy
Shifting Woodland
14%inclusion1 decks7 decks
4%synergy
Eldrazi Temple
14%inclusion1 decks7 decks
14%synergy
Shrine of the Forsaken Gods
14%inclusion1 decks7 decks
14%synergy
Blasted Landscape
14%inclusion1 decks7 decks
14%synergy
Reliquary Tower
14%inclusion1 decks7 decks
-9%synergy
Strip Mine
14%inclusion1 decks7 decks
12%synergy
Rogue's Passage
14%inclusion1 decks7 decks
-9%synergy
Mana Artifacts
Arcane Signet
57%inclusion4 decks7 decks
-5%synergy
Hedron Archive
57%inclusion4 decks7 decks
56%synergy
Talisman of Resilience
57%inclusion4 decks7 decks
33%synergy
Sol Ring
57%inclusion4 decks7 decks
-22%synergy
Everflowing Chalice
43%inclusion3 decks7 decks
41%synergy
Golgari Signet
43%inclusion3 decks7 decks
17%synergy
Commander's Sphere
29%inclusion2 decks7 decks
21%synergy
Dreamstone Hedron
29%inclusion2 decks7 decks
28%synergy
Gilded Lotus
29%inclusion2 decks7 decks
28%synergy
Thran Dynamo
29%inclusion2 decks7 decks
28%synergy
Mind Stone
29%inclusion2 decks7 decks
23%synergy
The Soul Stone
17%inclusion1 decks6 decks
14%synergy
Fellwar Stone
14%inclusion1 decks7 decks
10%synergy
Chromatic Orrery
14%inclusion1 decks7 decks
14%synergy
Coveted Jewel
14%inclusion1 decks7 decks
14%synergy
Worn Powerstone
14%inclusion1 decks7 decks
14%synergy
Springleaf Drum
14%inclusion1 decks7 decks
14%synergy
The Mightstone and Weakstone
14%inclusion1 decks7 decks
14%synergy
Skyclave Relic
14%inclusion1 decks7 decks
14%synergy
Lands
Command Tower
100%inclusion7 decks7 decks
15%synergy
Swamp
100%inclusion7 decks7 decks
3%synergy
Forest
100%inclusion7 decks7 decks
2%synergy
Tainted Wood
86%inclusion6 decks7 decks
41%synergy
Llanowar Wastes
57%inclusion4 decks7 decks
5%synergy
Undergrowth Stadium
57%inclusion4 decks7 decks
19%synergy
Overgrown Tomb
57%inclusion4 decks7 decks
10%synergy
Woodland Cemetery
57%inclusion4 decks7 decks
-6%synergy
Exotic Orchard
43%inclusion3 decks7 decks
15%synergy
Underground Mortuary
43%inclusion3 decks7 decks
22%synergy
Wastewood Verge
33%inclusion2 decks6 decks
15%synergy
Fell the Profane
29%inclusion2 decks7 decks
19%synergy
Disciple of Freyalise
29%inclusion2 decks7 decks
20%synergy
Ash Barrens
29%inclusion2 decks7 decks
23%synergy
Verdant Catacombs
29%inclusion2 decks7 decks
-1%synergy
Nurturing Peatland
29%inclusion2 decks7 decks
16%synergy
Twilight Mire
29%inclusion2 decks7 decks
-9%synergy
Deathcap Glade
29%inclusion2 decks7 decks
-1%synergy
Starting Town
17%inclusion1 decks6 decks
16%synergy
Vernal Fen
17%inclusion1 decks6 decks
1%synergy
Festering Thicket
17%inclusion1 decks6 decks
10%synergy
Escape Tunnel
14%inclusion1 decks7 decks
13%synergy
Blighted Woodland
14%inclusion1 decks7 decks
10%synergy
Golgari Rot Farm
14%inclusion1 decks7 decks
-26%synergy
Turntimber Symbiosis
14%inclusion1 decks7 decks
13%synergy
Agadeem's Awakening
14%inclusion1 decks7 decks
11%synergy
Viridescent Bog
14%inclusion1 decks7 decks
-7%synergy
Boggart Trawler
14%inclusion1 decks7 decks
10%synergy
Necroblossom Snarl
14%inclusion1 decks7 decks
-22%synergy
Demolition Field
14%inclusion1 decks7 decks
12%synergy
Evolving Wilds
14%inclusion1 decks7 decks
-13%synergy
Thriving Grove
14%inclusion1 decks7 decks
12%synergy
Forbidden Orchard
14%inclusion1 decks7 decks
13%synergy
Snow-Covered Swamp
14%inclusion1 decks7 decks
10%synergy
Temple of Malady
14%inclusion1 decks7 decks
-20%synergy
Bloodstained Mire
14%inclusion1 decks7 decks
8%synergy
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