New Cards
Fresh cards from recent sets that players are experimenting with in Belbe, Corrupted Observer decks.
Summon: Bahamut+8% Synergy
$24.23
The Endstone+7% Synergy
$6.42
Ultima, Origin of Oblivion+4% Synergy
$1.25
Starting Town+2% Synergy
$25.27
Vernal Fen-1% Synergy
$1.28
High Synergy Cards
Cards that work exceptionally well with Belbe, Corrupted Observer's abilities and overall game plan.
Mardu Shadowspear+85% Synergy
$0.16
Night Market Lookout+82% Synergy
$0.07
Sanctum of Stone Fangs+82% Synergy
$0.54
Vicious Conquistador+82% Synergy
$0.19
Pulse Tracker+79% Synergy
$0.13
Loyal Subordinate+71% Synergy
$0.18
Thornbow Archer+66% Synergy
$0.10
Cryptolith Fragment+62% Synergy
$0.16
Shepherd of Rot+61% Synergy
$4.90
Creeping Bloodsucker+56% Synergy
$3.71
Top Cards
The most popular and reliable cards that form the backbone of successful Belbe, Corrupted Observer decks.
God-Pharaoh's Statue+53% Synergy
$0.73
Artisan of Kozilek+52% Synergy
$0.50
Ugin, the Ineffable+48% Synergy
$0.97
In Garruk's Wake+47% Synergy
$1.33
Steel Hellkite+47% Synergy
$0.20
Kozilek, the Great Distortion+47% Synergy
$4.26
Horizon Stone+46% Synergy
$0.92
Retreat to Hagra+42% Synergy
$1.67
Beast Within+10% Synergy
$0.59
Assassin's Trophy+7% Synergy
$2.11
Game Changers
Powerful cards that can single-handedly turn the tide of a game when resolved.
Vorinclex, Voice of Hunger+11% Synergy
$12.16
Ancient Tomb+7% Synergy
$94.69
The One Ring+7% Synergy
$67.99
Vampiric Tutor+4% Synergy
$50.85
Opposition Agent+4% Synergy
$20.89
Imperial Seal+3% Synergy
$113.27
Chrome Mox+3% Synergy
$92.16
Demonic Tutor+2% Synergy
$58.30
Worldly Tutor+2% Synergy
$18.72
Necropotence+2% Synergy
$17.52
Creatures
Essential creatures that complement Belbe, Corrupted Observer's strategy through synergy, utility, or raw power.
Endbringer+45% Synergy
$0.31
Conduit of Ruin+40% Synergy
$4.66
Wandering Archaic+40% Synergy
$6.75
Bane of Bala Ged+35% Synergy
$1.93
Sanguine Syphoner+34% Synergy
$0.09
Oblivion Sower+34% Synergy
$0.37
Terastodon+33% Synergy
$0.25
Ulamog's Crusher+33% Synergy
$0.14
Apex Devastator+32% Synergy
$3.97
Kozilek, Butcher of Truth+28% Synergy
$40.37
Void Winnower+28% Synergy
$20.50
Deathrite Shaman+28% Synergy
$5.75
Sandstone Oracle+28% Synergy
$0.14
Wurmcoil Engine+27% Synergy
$7.43
Ulamog, the Ceaseless Hunger+26% Synergy
$17.36
Pathrazer of Ulamog+23% Synergy
$0.56
It That Betrays+23% Synergy
$11.93
Scrawling Crawler+22% Synergy
$3.65
Plague Spitter+22% Synergy
$0.49
Ulamog, the Infinite Gyre+21% Synergy
$34.99
Desolation Twin+21% Synergy
$0.55
Fierce Empath+20% Synergy
$0.11
Ulamog, the Defiler+20% Synergy
$21.97
Breaker of Armies+20% Synergy
$0.32
Psychosis Crawler+18% Synergy
$0.34
World Breaker+18% Synergy
$0.61
Archers' Parapet+18% Synergy
$0.07
Meteor Golem+17% Synergy
$0.10
Zhulodok, Void Gorger+17% Synergy
$32.19
Phyrexian Triniform+16% Synergy
$0.73
Flayer of Loyalties+16% Synergy
$16.47
Vampire Neonate+16% Synergy
$0.10
Archon of Cruelty+15% Synergy
$4.27
Thrull Parasite+15% Synergy
$0.50
Kozilek, the Broken Reality+15% Synergy
$5.28
Sire of Seven Deaths+14% Synergy
$18.32
Maelstrom Colossus+14% Synergy
$0.13
Solemn Simulacrum+13% Synergy
$0.26
Burnished Hart+13% Synergy
$0.12
Glaring Fleshraker+13% Synergy
$0.82
Bladegriff Prototype+12% Synergy
$0.19
Witherbloom Apprentice+10% Synergy
$0.26
Sheoldred, Whispering One+6% Synergy
$15.89
Disciple of Freyalise+5% Synergy
$1.55
Elves of Deep Shadow+2% Synergy
$1.56
Birds of Paradise-2% Synergy
$9.23
Fyndhorn Elves-4% Synergy
$0.97
Llanowar Elves-9% Synergy
$0.19
Eternal Witness-10% Synergy
$1.23
Elvish Mystic-12% Synergy
$0.43
Instants
Key instant-speed responses for protection, removal, and keeping Belbe, Corrupted Observer safe.
Crushing Disappointment+28% Synergy
$0.12
Return of the Wildspeaker+28% Synergy
$0.83
Nature's Claim+12% Synergy
$0.96
Desecrate Reality+10% Synergy
$3.75
Abrupt Decay+7% Synergy
$1.90
Deadly Rollick+7% Synergy
$18.24
Black Sun's Twilight+7% Synergy
$0.26
Kozilek's Command+7% Synergy
$7.02
Infernal Grasp+6% Synergy
$0.26
Veil of Summer+6% Synergy
$5.09
Dark Ritual+4% Synergy
$2.94
Fell the Profane+4% Synergy
$5.21
Return to Nature+4% Synergy
$0.20
Autumn's Veil+4% Synergy
$0.44
Rushed Rebirth+4% Synergy
$0.30
Revitalizing Repast+3% Synergy
$0.81
Tear Asunder+3% Synergy
$0.43
Malakir Rebirth+3% Synergy
$9.16
Noxious Revival+2% Synergy
$5.20
Withering Torment+2% Synergy
$2.59
Krosan Grip+1% Synergy
$0.94
Chord of Calling+1% Synergy
$3.45
Heroic Intervention0% Synergy
$11.10
Golgari Charm-1% Synergy
$1.00
Tamiyo's Safekeeping-1% Synergy
$2.24
Deathsprout-1% Synergy
$0.39
Putrefy-2% Synergy
$0.14
Crop Rotation-3% Synergy
$3.46
Harrow-4% Synergy
$0.25
Sorceries
Important sorcery spells that advance Belbe, Corrupted Observer's game plan and control the board.
Vicious Rumors+44% Synergy
$0.18
Exsanguinate+33% Synergy
$0.43
Damnable Pact+27% Synergy
$0.75
Torment of Hailfire+24% Synergy
$20.27
Green Sun's Twilight+22% Synergy
$0.27
Tooth and Nail+20% Synergy
$1.37
Reshape the Earth+19% Synergy
$8.07
Last March of the Ents+18% Synergy
$15.80
Risky Shortcut+17% Synergy
$0.14
Rise of the Eldrazi+17% Synergy
$12.55
Rishkar's Expertise+15% Synergy
$2.01
All Is Dust+15% Synergy
$4.02
Read the Bones+13% Synergy
$0.28
Plague Wind+11% Synergy
$3.13
Cut of the Profits+11% Synergy
$0.12
Syphon Mind+10% Synergy
$0.49
Decree of Pain+8% Synergy
$0.28
Breach the Multiverse+8% Synergy
$5.65
Genesis Wave+8% Synergy
$0.22
Night's Whisper+7% Synergy
$0.25
Finale of Eternity+7% Synergy
$0.87
Animist's Awakening+7% Synergy
$1.55
Nissa's Revelation+7% Synergy
$0.36
Culling Ritual+6% Synergy
$0.87
Harmonize+6% Synergy
$0.23
Chain of Smog+6% Synergy
$4.37
Ambition's Cost+6% Synergy
$0.22
Turntimber Symbiosis+6% Synergy
$2.02
Open the Way+6% Synergy
$4.32
Stargaze+5% Synergy
$0.11
Hurricane+5% Synergy
$0.43
Sign in Blood+4% Synergy
$0.60
Gaze of Granite+4% Synergy
$0.39
Finale of Devastation+3% Synergy
$23.70
Skyshroud Claim+3% Synergy
$0.77
Agadeem's Awakening+2% Synergy
$25.53
Bala Ged Recovery+1% Synergy
$5.84
Feed the Swarm+1% Synergy
$0.23
Diabolic Tutor0% Synergy
$1.75
Toxic Deluge-4% Synergy
$5.30
Diabolic Intent-4% Synergy
$10.16
Three Visits-7% Synergy
$6.32
Kodama's Reach-8% Synergy
$1.69
Farseek-8% Synergy
$0.45
Cultivate-9% Synergy
$0.34
Rampant Growth-10% Synergy
$0.43
Reanimate-10% Synergy
$7.64
Nature's Lore-12% Synergy
$1.41
Utility Artifacts
Versatile artifacts that provide ongoing value, card selection, or strategic advantages.
Staff of Nin+34% Synergy
$1.42
Sinister Monolith+28% Synergy
$0.09
Chimil, the Inner Sun+25% Synergy
$13.05
Planar Bridge+22% Synergy
$1.94
Portal to Phyrexia+21% Synergy
$22.80
Drossclaw+21% Synergy
$0.06
The Immortal Sun+19% Synergy
$11.27
Wondrous Crucible+14% Synergy
$1.26
Strionic Resonator+11% Synergy
$5.37
Lightning Greaves+10% Synergy
$4.45
Darksteel Monolith+9% Synergy
$17.53
Tithing Blade+8% Synergy
$0.22
Bontu's Monument+8% Synergy
$5.20
Lithoform Engine+7% Synergy
$5.78
Mind's Eye+6% Synergy
$4.01
Thorn of Amethyst+6% Synergy
$1.27
Ward of Bones+6% Synergy
$20.81
Trinisphere+6% Synergy
$24.65
The Great Henge+5% Synergy
$62.10
Kaldra Compleat+5% Synergy
$8.74
Nexus of Becoming+5% Synergy
$1.08
Wishclaw Talisman+4% Synergy
$2.20
Bolas's Citadel0% Synergy
$11.59
Swiftfoot Boots-1% Synergy
$1.30
Enchantments
Powerful enchantments that support Belbe, Corrupted Observer's strategy and create lasting battlefield effects.
Up the Beanstalk+37% Synergy
$1.17
Okiba Reckoner Raid+28% Synergy
$0.07
Ill-Gotten Inheritance+24% Synergy
$0.06
Garruk's Uprising+22% Synergy
$0.38
Sandwurm Convergence+22% Synergy
$0.28
Court of Ambition+20% Synergy
$3.51
Echoes of Eternity+17% Synergy
$1.54
Triskaidekaphobia+16% Synergy
$0.10
Hopeless Nightmare+15% Synergy
$0.19
Pestilence+13% Synergy
$0.61
Lim-Dûl's Hex+13% Synergy
$0.61
Monstrous Vortex+12% Synergy
$0.19
Palace Siege+11% Synergy
$0.91
Zendikar Resurgent+10% Synergy
$3.22
Protection Racket+8% Synergy
$2.99
Wound Reflection+6% Synergy
$6.39
Noxious Field+6% Synergy
$1.37
Eldrazi Conscription+6% Synergy
$3.32
Tinybones Joins Up+5% Synergy
$0.47
Sylvan Library+4% Synergy
$24.82
Phyrexian Arena+3% Synergy
$1.55
Carpet of Flowers+3% Synergy
$6.87
Greater Good+1% Synergy
$3.22
Guardian Project-1% Synergy
$11.08
Black Market Connections-3% Synergy
$15.42
Wild Growth-4% Synergy
$0.31
Planeswalkers
Planeswalkers that work alongside Belbe, Corrupted Observer to provide ongoing value and board presence.
Ugin, Eye of the Storms+20% Synergy
$27.80
Ugin, the Spirit Dragon+18% Synergy
$13.44
Karn, the Great Creator+5% Synergy
$4.94
Utility Lands
Non-basic lands that offer additional utility beyond just mana production.
Leechridden Swamp+51% Synergy
$0.43
Sanctum of Ugin+14% Synergy
$2.00
Eldrazi Temple+12% Synergy
$6.30
Shrine of the Forsaken Gods+12% Synergy
$0.19
Eye of Ugin+9% Synergy
$52.72
Urborg, Tomb of Yawgmoth+7% Synergy
$47.16
Temple of the False God+6% Synergy
$0.14
War Room+6% Synergy
$2.73
Muraganda Raceway+6% Synergy
$0.73
Ugin's Labyrinth+6% Synergy
$21.98
Cabal Coffers+4% Synergy
$24.56
Mosswort Bridge+3% Synergy
$0.29
Boseiju, Who Endures+2% Synergy
$29.31
Castle Locthwain+2% Synergy
$3.76
Yavimaya, Cradle of Growth-1% Synergy
$9.35
Reliquary Tower-1% Synergy
$1.98
Takenuma, Abandoned Mire-2% Synergy
$6.61
Bojuka Bog-4% Synergy
$0.57
Shifting Woodland-4% Synergy
$6.16
Rogue's Passage-6% Synergy
$0.27
Mana Artifacts
Artifacts focused on mana acceleration and color fixing for consistent gameplay.
Dreamstone Hedron+45% Synergy
$0.27
Everflowing Chalice+39% Synergy
$0.19
Skyclave Relic+28% Synergy
$1.66
Hedron Archive+26% Synergy
$0.25
Coveted Jewel+26% Synergy
$0.26
Gilded Lotus+23% Synergy
$1.28
Thran Dynamo+22% Synergy
$2.44
Talisman of Resilience+16% Synergy
$0.26
Chromatic Orrery+13% Synergy
$32.45
Golgari Signet+10% Synergy
$0.36
Mox Amber+5% Synergy
$67.47
Mind Stone+4% Synergy
$0.22
Fellwar Stone+4% Synergy
$1.12
Lotus Petal+4% Synergy
$24.69
Arcane Signet+2% Synergy
$0.51
Thought Vessel+2% Synergy
$1.33
Commander's Sphere-2% Synergy
$0.16
Sol Ring-3% Synergy
$1.07
Lands
The mana base foundation for Belbe, Corrupted Observer decks, ensuring smooth and reliable mana development.
Llanowar Wastes+15% Synergy
$0.35
Undergrowth Stadium+11% Synergy
$8.29
Nurturing Peatland+10% Synergy
$5.28
Twilight Mire+9% Synergy
$0.43
Darkbore Pathway+9% Synergy
$4.37
Tainted Wood+8% Synergy
$0.23
Blooming Marsh+8% Synergy
$1.32
Festering Gulch+7% Synergy
$0.17
Viridescent Bog+6% Synergy
$0.44
City of Brass+6% Synergy
$17.11
Mana Confluence+6% Synergy
$29.32
Turntimber Symbiosis+6% Synergy
$2.02
Verdant Catacombs+5% Synergy
$21.61
Bayou+5% Synergy
Disciple of Freyalise+5% Synergy
$1.55
Marsh Flats+5% Synergy
$22.75
Prismatic Vista+5% Synergy
$30.44
Bloodstained Mire+5% Synergy
$13.68
Polluted Delta+5% Synergy
$15.21
Overgrown Tomb+4% Synergy
$11.50
Fell the Profane+4% Synergy
$5.21
Misty Rainforest+4% Synergy
$25.51
Wooded Foothills+4% Synergy
$14.12
Revitalizing Repast+3% Synergy
$0.81
Malakir Rebirth+3% Synergy
$9.16
Windswept Heath+3% Synergy
$9.47
Gemstone Caverns+3% Synergy
$50.15
Command Tower+2% Synergy
$0.22
Blighted Woodland+2% Synergy
$0.25
Agadeem's Awakening+2% Synergy
$25.53
Exotic Orchard+1% Synergy
$0.45
Bala Ged Recovery+1% Synergy
$5.84
Snow-Covered Swamp+1% Synergy
$0.43
Swamp0% Synergy
$0.07
Woodland Cemetery0% Synergy
$0.57
Wastewood Verge0% Synergy
$5.76
Forest-1% Synergy
$6.00
Necroblossom Snarl-1% Synergy
$0.44
Woodland Chasm-1% Synergy
$0.50
Temple of Malady-2% Synergy
$0.21
Myriad Landscape-2% Synergy
$0.11
Deathcap Glade-3% Synergy
$4.85
Golgari Guildgate-4% Synergy
$0.14
Underground Mortuary-5% Synergy
$13.93
Haunted Mire-6% Synergy
$0.22
Fabled Passage-7% Synergy
$3.53
Terramorphic Expanse-11% Synergy
$0.28
Evolving Wilds-13% Synergy
$0.23
Jungle Hollow-14% Synergy
$0.02
Golgari Rot Farm-17% Synergy
$0.22