New Cards
Fresh cards from recent sets that players are experimenting with in Belbe, Corrupted Observer decks.
The Endstone+14% Synergy
$5.07
The Eternity Elevator+8% Synergy
$2.36
Anticausal Vestige+4% Synergy
$2.40
Vernal Fen-1% Synergy
$2.91
Festering Thicket-1% Synergy
$0.75
High Synergy Cards
Cards that work exceptionally well with Belbe, Corrupted Observer's abilities and overall game plan.
Mardu Shadowspear+84% Synergy
$0.17
Night Market Lookout+82% Synergy
$0.11
Sanctum of Stone Fangs+82% Synergy
$0.67
Vicious Conquistador+82% Synergy
$0.17
Pulse Tracker+79% Synergy
$0.16
Loyal Subordinate+72% Synergy
$0.19
Thornbow Archer+66% Synergy
$0.11
Cryptolith Fragment+62% Synergy
$0.16
Shepherd of Rot+61% Synergy
$4.95
Creeping Bloodsucker+56% Synergy
$3.57
Top Cards
The most popular and reliable cards that form the backbone of successful Belbe, Corrupted Observer decks.
God-Pharaoh's Statue+53% Synergy
$0.65
Artisan of Kozilek+51% Synergy
$0.44
Ugin, the Ineffable+48% Synergy
$1.31
In Garruk's Wake+47% Synergy
$1.36
Steel Hellkite+47% Synergy
$0.19
Kozilek, the Great Distortion+47% Synergy
$4.34
Horizon Stone+46% Synergy
$1.24
Retreat to Hagra+42% Synergy
$1.76
Beast Within+10% Synergy
$0.83
Assassin's Trophy+7% Synergy
$2.35
Game Changers
Powerful cards that can single-handedly turn the tide of a game when resolved.
Vorinclex, Voice of Hunger+10% Synergy
$12.68
Ancient Tomb+7% Synergy
$95.44
The One Ring+7% Synergy
$82.60
Vampiric Tutor+4% Synergy
$59.87
Opposition Agent+3% Synergy
$22.72
Imperial Seal+3% Synergy
$119.32
Chrome Mox+3% Synergy
$103.74
Demonic Tutor+2% Synergy
$52.72
Necropotence+2% Synergy
$16.11
Worldly Tutor+1% Synergy
$23.45
Creatures
Essential creatures that complement Belbe, Corrupted Observer's strategy through synergy, utility, or raw power.
Endbringer+45% Synergy
$0.36
Conduit of Ruin+40% Synergy
$5.01
Wandering Archaic+39% Synergy
$7.48
Sanguine Syphoner+35% Synergy
$0.10
Bane of Bala Ged+35% Synergy
$1.98
Oblivion Sower+34% Synergy
$0.33
Terastodon+32% Synergy
$0.27
Ulamog's Crusher+32% Synergy
$0.18
Apex Devastator+32% Synergy
$3.67
Kozilek, Butcher of Truth+28% Synergy
$41.74
Void Winnower+28% Synergy
$19.72
Deathrite Shaman+28% Synergy
$6.34
Sandstone Oracle+28% Synergy
$0.11
Wurmcoil Engine+27% Synergy
$10.77
Ulamog, the Ceaseless Hunger+25% Synergy
$15.58
Pathrazer of Ulamog+23% Synergy
$0.58
It That Betrays+22% Synergy
$12.54
Scrawling Crawler+22% Synergy
$4.80
Plague Spitter+22% Synergy
$0.53
Ulamog, the Infinite Gyre+21% Synergy
$33.67
Desolation Twin+21% Synergy
$0.55
Fierce Empath+20% Synergy
$0.15
Ulamog, the Defiler+20% Synergy
$21.23
Breaker of Armies+20% Synergy
$0.30
Psychosis Crawler+18% Synergy
$0.38
World Breaker+18% Synergy
$0.19
Archers' Parapet+18% Synergy
$0.07
Meteor Golem+17% Synergy
$0.11
Zhulodok, Void Gorger+17% Synergy
$31.86
Phyrexian Triniform+16% Synergy
$0.84
Vampire Neonate+16% Synergy
$0.15
Flayer of Loyalties+16% Synergy
$14.96
Archon of Cruelty+15% Synergy
$8.30
Thrull Parasite+15% Synergy
$0.54
Sire of Seven Deaths+15% Synergy
$19.89
Kozilek, the Broken Reality+15% Synergy
$4.00
Maelstrom Colossus+14% Synergy
$0.14
Solemn Simulacrum+13% Synergy
$0.25
Burnished Hart+13% Synergy
$0.09
Glaring Fleshraker+13% Synergy
$0.85
Bladegriff Prototype+12% Synergy
$0.18
Witherbloom Apprentice+10% Synergy
$0.27
Sheoldred, Whispering One+6% Synergy
$15.31
Disciple of Freyalise+5% Synergy
$1.74
Elves of Deep Shadow+2% Synergy
$1.44
Birds of Paradise-2% Synergy
$10.10
Fyndhorn Elves-4% Synergy
$0.92
Llanowar Elves-9% Synergy
$0.22
Eternal Witness-11% Synergy
$1.02
Elvish Mystic-11% Synergy
$0.36
Instants
Key instant-speed responses for protection, removal, and keeping Belbe, Corrupted Observer safe.
Crushing Disappointment+28% Synergy
$0.14
Return of the Wildspeaker+27% Synergy
$0.88
Nature's Claim+11% Synergy
$0.98
Desecrate Reality+10% Synergy
$3.78
Abrupt Decay+7% Synergy
$1.66
Deadly Rollick+7% Synergy
$18.91
Black Sun's Twilight+7% Synergy
$0.31
Kozilek's Command+7% Synergy
$7.10
Infernal Grasp+6% Synergy
$0.29
Veil of Summer+6% Synergy
$4.72
Dark Ritual+4% Synergy
$3.59
Fell the Profane+4% Synergy
$5.02
Return to Nature+4% Synergy
$0.17
Autumn's Veil+4% Synergy
$0.46
Rushed Rebirth+4% Synergy
$0.32
Revitalizing Repast+3% Synergy
$0.92
Tear Asunder+3% Synergy
$0.24
Malakir Rebirth+3% Synergy
$8.35
Noxious Revival+2% Synergy
$5.56
Withering Torment+2% Synergy
$2.64
Krosan Grip+1% Synergy
$0.87
Chord of Calling+1% Synergy
$4.08
Heroic Intervention0% Synergy
$9.75
Golgari Charm0% Synergy
$0.96
Tamiyo's Safekeeping-1% Synergy
$2.36
Deathsprout-1% Synergy
$0.38
Putrefy-2% Synergy
$0.12
Harrow-4% Synergy
$0.32
Crop Rotation-4% Synergy
$4.65
Sorceries
Important sorcery spells that advance Belbe, Corrupted Observer's game plan and control the board.
Vicious Rumors+43% Synergy
$0.24
Exsanguinate+33% Synergy
$0.31
Damnable Pact+27% Synergy
$0.42
Torment of Hailfire+24% Synergy
$20.32
Green Sun's Twilight+22% Synergy
$0.24
Tooth and Nail+20% Synergy
$1.23
Last March of the Ents+18% Synergy
$16.74
Reshape the Earth+18% Synergy
$8.96
Risky Shortcut+18% Synergy
$0.17
Rise of the Eldrazi+16% Synergy
$13.06
Rishkar's Expertise+15% Synergy
$1.52
All Is Dust+15% Synergy
$3.73
Read the Bones+13% Synergy
$0.25
Plague Wind+11% Synergy
$2.71
Syphon Mind+10% Synergy
$0.48
Cut of the Profits+10% Synergy
$0.15
Decree of Pain+8% Synergy
$0.23
Breach the Multiverse+8% Synergy
$6.10
Genesis Wave+8% Synergy
$0.37
Night's Whisper+7% Synergy
$0.43
Animist's Awakening+7% Synergy
$1.41
Culling Ritual+6% Synergy
$0.84
Harmonize+6% Synergy
$0.20
Ambition's Cost+6% Synergy
$0.18
Turntimber Symbiosis+6% Synergy
$2.20
Finale of Eternity+6% Synergy
$0.77
Open the Way+6% Synergy
$3.89
Nissa's Revelation+6% Synergy
$0.28
Chain of Smog+5% Synergy
$4.09
Stargaze+5% Synergy
$0.11
Hurricane+5% Synergy
$0.36
Sign in Blood+4% Synergy
$0.40
Gaze of Granite+4% Synergy
$0.12
Finale of Devastation+3% Synergy
$21.28
Skyshroud Claim+3% Synergy
$0.89
Agadeem's Awakening+2% Synergy
$26.07
Bala Ged Recovery+1% Synergy
$5.13
Rise of the Dark Realms+1% Synergy
$3.53
Feed the Swarm0% Synergy
$0.20
Diabolic Tutor0% Synergy
$1.72
Toxic Deluge-4% Synergy
$5.54
Diabolic Intent-4% Synergy
$10.83
Three Visits-7% Synergy
$5.88
Cultivate-8% Synergy
$0.54
Kodama's Reach-8% Synergy
$1.79
Farseek-8% Synergy
$0.73
Rampant Growth-10% Synergy
$0.37
Reanimate-10% Synergy
$5.14
Nature's Lore-12% Synergy
$1.99
Utility Artifacts
Versatile artifacts that provide ongoing value, card selection, or strategic advantages.
Staff of Nin+34% Synergy
$1.41
Sinister Monolith+28% Synergy
$0.12
Chimil, the Inner Sun+25% Synergy
$13.72
Drossclaw+22% Synergy
$0.03
Planar Bridge+22% Synergy
$2.00
Portal to Phyrexia+21% Synergy
$23.53
The Immortal Sun+19% Synergy
$10.49
Wondrous Crucible+14% Synergy
$1.25
Lightning Greaves+10% Synergy
$4.54
Strionic Resonator+10% Synergy
$7.33
Darksteel Monolith+9% Synergy
$19.35
Tithing Blade+8% Synergy
$0.36
Bontu's Monument+8% Synergy
$4.86
Lithoform Engine+7% Synergy
$6.03
Mind's Eye+6% Synergy
$4.07
Thorn of Amethyst+6% Synergy
$1.24
Ward of Bones+6% Synergy
$18.54
Trinisphere+6% Synergy
$20.08
The Great Henge+5% Synergy
$62.95
Nexus of Becoming+5% Synergy
$1.92
Wishclaw Talisman+4% Synergy
$3.05
Bolas's Citadel0% Synergy
$12.28
Swiftfoot Boots-1% Synergy
$1.32
Enchantments
Powerful enchantments that support Belbe, Corrupted Observer's strategy and create lasting battlefield effects.
Up the Beanstalk+37% Synergy
$1.36
Okiba Reckoner Raid+28% Synergy
$0.07
Ill-Gotten Inheritance+24% Synergy
$0.09
Garruk's Uprising+23% Synergy
$0.54
Sandwurm Convergence+21% Synergy
$0.26
Court of Ambition+19% Synergy
$3.33
Echoes of Eternity+17% Synergy
$1.43
Triskaidekaphobia+15% Synergy
$0.12
Hopeless Nightmare+15% Synergy
$0.21
Pestilence+13% Synergy
$0.60
Lim-Dûl's Hex+13% Synergy
$0.54
Monstrous Vortex+12% Synergy
$0.24
Palace Siege+11% Synergy
$0.91
Zendikar Resurgent+10% Synergy
$3.28
Protection Racket+8% Synergy
$3.05
Wound Reflection+6% Synergy
$8.63
Eldrazi Conscription+6% Synergy
$3.81
Noxious Field+6% Synergy
$1.37
Tinybones Joins Up+5% Synergy
$0.43
Sylvan Library+4% Synergy
$27.73
Phyrexian Arena+3% Synergy
$2.62
Carpet of Flowers+3% Synergy
$6.19
Greater Good0% Synergy
$3.04
Guardian Project-1% Synergy
$11.27
Black Market Connections-3% Synergy
$12.32
Wild Growth-4% Synergy
$0.25
Planeswalkers
Planeswalkers that work alongside Belbe, Corrupted Observer to provide ongoing value and board presence.
Ugin, Eye of the Storms+19% Synergy
$28.85
Ugin, the Spirit Dragon+17% Synergy
$11.50
Karn, the Great Creator+5% Synergy
$4.42
Utility Lands
Non-basic lands that offer additional utility beyond just mana production.
Leechridden Swamp+51% Synergy
$0.43
Sanctum of Ugin+14% Synergy
$1.81
Eldrazi Temple+13% Synergy
$5.12
Shrine of the Forsaken Gods+12% Synergy
$0.18
Eye of Ugin+9% Synergy
$47.30
Urborg, Tomb of Yawgmoth+7% Synergy
$49.13
Temple of the False God+6% Synergy
$0.15
War Room+6% Synergy
$2.85
Muraganda Raceway+6% Synergy
$0.99
Ugin's Labyrinth+6% Synergy
$18.06
Cabal Coffers+4% Synergy
$25.71
Mosswort Bridge+4% Synergy
$0.28
Boseiju, Who Endures+2% Synergy
$30.50
Castle Locthwain+2% Synergy
$3.74
Yavimaya, Cradle of Growth-1% Synergy
$8.83
Reliquary Tower-1% Synergy
$2.59
Takenuma, Abandoned Mire-2% Synergy
$7.19
Shifting Woodland-4% Synergy
$5.90
Bojuka Bog-5% Synergy
$0.89
Rogue's Passage-6% Synergy
$0.32
Mana Artifacts
Artifacts focused on mana acceleration and color fixing for consistent gameplay.
Dreamstone Hedron+45% Synergy
$0.28
Everflowing Chalice+39% Synergy
$0.24
Skyclave Relic+28% Synergy
$1.95
Coveted Jewel+26% Synergy
$0.25
Hedron Archive+26% Synergy
$0.28
Gilded Lotus+23% Synergy
$1.13
Thran Dynamo+23% Synergy
$2.70
Talisman of Resilience+16% Synergy
$0.27
Chromatic Orrery+13% Synergy
$33.91
Golgari Signet+10% Synergy
$0.33
Mox Amber+5% Synergy
$65.92
Mind Stone+4% Synergy
$0.21
Fellwar Stone+4% Synergy
$1.34
Lotus Petal+4% Synergy
$26.29
Arcane Signet+2% Synergy
$0.52
Thought Vessel+2% Synergy
$1.15
Commander's Sphere-2% Synergy
$0.17
Sol Ring-3% Synergy
$1.24
Lands
The mana base foundation for Belbe, Corrupted Observer decks, ensuring smooth and reliable mana development.
Llanowar Wastes+14% Synergy
$0.51
Undergrowth Stadium+11% Synergy
$8.23
Nurturing Peatland+10% Synergy
$5.24
Twilight Mire+9% Synergy
$0.40
Darkbore Pathway+9% Synergy
$4.58
Tainted Wood+8% Synergy
$0.19
Blooming Marsh+8% Synergy
$1.34
Festering Gulch+7% Synergy
$0.16
Viridescent Bog+6% Synergy
$0.18
City of Brass+6% Synergy
$18.89
Mana Confluence+6% Synergy
$23.97
Turntimber Symbiosis+6% Synergy
$2.20
Verdant Catacombs+5% Synergy
$20.83
Bayou+5% Synergy
Disciple of Freyalise+5% Synergy
$1.74
Marsh Flats+5% Synergy
$23.61
Prismatic Vista+5% Synergy
$30.82
Polluted Delta+5% Synergy
$15.70
Bloodstained Mire+5% Synergy
$13.64
Overgrown Tomb+4% Synergy
$15.88
Fell the Profane+4% Synergy
$5.02
Misty Rainforest+4% Synergy
$27.41
Wooded Foothills+4% Synergy
$13.58
Revitalizing Repast+3% Synergy
$0.92
Malakir Rebirth+3% Synergy
$8.35
Windswept Heath+3% Synergy
$8.81
Gemstone Caverns+3% Synergy
$40.36
Command Tower+2% Synergy
$0.30
Blighted Woodland+2% Synergy
$0.33
Agadeem's Awakening+2% Synergy
$26.07
Wastewood Verge+1% Synergy
$5.92
Bala Ged Recovery+1% Synergy
$5.13
Snow-Covered Swamp+1% Synergy
$0.43
Swamp0% Synergy
$0.07
Woodland Cemetery0% Synergy
$0.63
Exotic Orchard0% Synergy
$0.27
Forest-1% Synergy
$0.06
Necroblossom Snarl-1% Synergy
$0.38
Woodland Chasm-1% Synergy
$0.52
Myriad Landscape-2% Synergy
$0.21
Temple of Malady-3% Synergy
$0.14
Deathcap Glade-3% Synergy
$5.53
Golgari Guildgate-4% Synergy
$0.14
Underground Mortuary-5% Synergy
$12.33
Haunted Mire-7% Synergy
$0.23
Fabled Passage-7% Synergy
$5.01
Terramorphic Expanse-11% Synergy
$0.18
Evolving Wilds-13% Synergy
$0.07
Jungle Hollow-14% Synergy
$0.06
Golgari Rot Farm-18% Synergy
$0.24