The Swarmweaver (Commander) - Optimized

The Swarmweaver
Rank #1,284
5decks
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Sikora
Oct 16, 2025
Sikora
How To Play Spiders Differently In Commander
Spiders are creepy, but they're also our friends... they also make for a great Commander deck if you know how to mitigate their weaknesses!
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Instants
Sorceries
Utility Artifacts
Enchantments
Planeswalkers
Utility Lands
Mana Artifacts
Lands
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Bilbo's Deadly Slice
100%inclusion1 decks1 decks
99%synergy
High Synergy Cards
Broodspinner
100%inclusion5 decks5 decks
98%synergy
Spider Spawning
100%inclusion5 decks5 decks
97%synergy
Twitching Doll
100%inclusion5 decks5 decks
90%synergy
Shelob, Child of Ungoliant
80%inclusion4 decks5 decks
79%synergy
Ishkanah, Grafwidow
80%inclusion4 decks5 decks
76%synergy
Skyfisher Spider
80%inclusion4 decks5 decks
76%synergy
Arasta of the Endless Web
80%inclusion4 decks5 decks
68%synergy
Game Changers
Ancient Tomb
40%inclusion2 decks5 decks
34%synergy
Crop Rotation
40%inclusion2 decks5 decks
32%synergy
The One Ring
40%inclusion2 decks5 decks
36%synergy
Vampiric Tutor
40%inclusion2 decks5 decks
29%synergy
Bolas's Citadel
20%inclusion1 decks5 decks
15%synergy
Demonic Tutor
20%inclusion1 decks5 decks
5%synergy
Field of the Dead
20%inclusion1 decks5 decks
16%synergy
Worldly Tutor
20%inclusion1 decks5 decks
10%synergy
Orcish Bowmasters
20%inclusion1 decks5 decks
16%synergy
Mox Diamond
20%inclusion1 decks5 decks
18%synergy
Creatures
Emeritus of Woe
100%inclusion1 decks1 decks
94%synergy
Hornet Queen
60%inclusion3 decks5 decks
54%synergy
Izoni, Thousand-Eyed
60%inclusion3 decks5 decks
55%synergy
Fynn, the Fangbearer
60%inclusion3 decks5 decks
54%synergy
Scute Swarm
60%inclusion3 decks5 decks
46%synergy
Caustic Caterpillar
60%inclusion3 decks5 decks
54%synergy
Aatchik, Emerald Radian
60%inclusion3 decks5 decks
57%synergy
Bitterbloom Bearer
50%inclusion1 decks2 decks
46%synergy
Treetop Snarespinner
40%inclusion2 decks5 decks
39%synergy
Hornet Nest
40%inclusion2 decks5 decks
36%synergy
Eternal Witness
40%inclusion2 decks5 decks
19%synergy
Blex, Vexing Pest
40%inclusion2 decks5 decks
37%synergy
Giant Ankheg
40%inclusion2 decks5 decks
38%synergy
Blood Artist
40%inclusion2 decks5 decks
19%synergy
Grist, Voracious Larva
40%inclusion2 decks5 decks
36%synergy
Spinner of Souls
40%inclusion2 decks5 decks
37%synergy
Living Hive
40%inclusion2 decks5 decks
39%synergy
Shelob, Dread Weaver
40%inclusion2 decks5 decks
37%synergy
Broodhatch Nantuko
40%inclusion2 decks5 decks
38%synergy
Nyx Weaver
40%inclusion2 decks5 decks
32%synergy
Old Rutstein
40%inclusion2 decks5 decks
36%synergy
Altanak, the Thrice-Called
40%inclusion2 decks5 decks
38%synergy
Craterhoof Behemoth
40%inclusion2 decks5 decks
27%synergy
Canoptek Scarab Swarm
40%inclusion2 decks5 decks
38%synergy
Amzu, Swarm's Hunger
40%inclusion2 decks5 decks
37%synergy
Chainweb Aracnir
40%inclusion2 decks5 decks
38%synergy
Overlord of the Balemurk
40%inclusion2 decks5 decks
37%synergy
Mazirek, Kraul Death Priest
40%inclusion2 decks5 decks
31%synergy
Scute Mob
40%inclusion2 decks5 decks
38%synergy
Zask, Skittering Swarmlord
40%inclusion2 decks5 decks
38%synergy
Seedship Broodtender
33%inclusion1 decks3 decks
30%synergy
Gwenom, Remorseless
33%inclusion1 decks3 decks
31%synergy
Icetill Explorer
33%inclusion1 decks3 decks
26%synergy
Canopy Spider
20%inclusion1 decks5 decks
20%synergy
Aftermath Analyst
20%inclusion1 decks5 decks
13%synergy
Enduring Vitality
20%inclusion1 decks5 decks
11%synergy
Rotwidow Pack
20%inclusion1 decks5 decks
17%synergy
Deathcap Cultivator
20%inclusion1 decks5 decks
18%synergy
Watcher in the Web
20%inclusion1 decks5 decks
18%synergy
Masked Vandal
20%inclusion1 decks5 decks
18%synergy
Graveshifter
20%inclusion1 decks5 decks
19%synergy
Drider
20%inclusion1 decks5 decks
18%synergy
Spring-Leaf Avenger
20%inclusion1 decks5 decks
18%synergy
Demolisher Spawn
20%inclusion1 decks5 decks
17%synergy
Circuit Mender
20%inclusion1 decks5 decks
18%synergy
Sporeweb Weaver
20%inclusion1 decks5 decks
18%synergy
Hauntwoods Shrieker
20%inclusion1 decks5 decks
20%synergy
Mirkwood Spider
20%inclusion1 decks5 decks
18%synergy
Infesting Radroach
20%inclusion1 decks5 decks
20%synergy
Flesh Burrower
20%inclusion1 decks5 decks
19%synergy
Instants
Arachnogenesis
60%inclusion3 decks5 decks
50%synergy
Second Harvest
40%inclusion2 decks5 decks
26%synergy
Putrefy
40%inclusion2 decks5 decks
8%synergy
Golgari Charm
40%inclusion2 decks5 decks
24%synergy
Heroic Intervention
20%inclusion1 decks5 decks
-12%synergy
Return of the Wildspeaker
20%inclusion1 decks5 decks
9%synergy
Pile On
20%inclusion1 decks5 decks
19%synergy
Village Rites
20%inclusion1 decks5 decks
4%synergy
Deadly Dispute
20%inclusion1 decks5 decks
-0%synergy
Dark Ritual
20%inclusion1 decks5 decks
2%synergy
Chord of Calling
20%inclusion1 decks5 decks
14%synergy
Harrow
20%inclusion1 decks5 decks
12%synergy
Beast Within
20%inclusion1 decks5 decks
-14%synergy
Bitter Triumph
20%inclusion1 decks5 decks
17%synergy
Return to Nature
20%inclusion1 decks5 decks
15%synergy
Dark Triumph
20%inclusion1 decks5 decks
20%synergy
Infernal Grasp
20%inclusion1 decks5 decks
12%synergy
Tainted Strike
20%inclusion1 decks5 decks
18%synergy
Grisly Salvage
20%inclusion1 decks5 decks
11%synergy
Assassin's Trophy
20%inclusion1 decks5 decks
-28%synergy
Collective Resistance
20%inclusion1 decks5 decks
15%synergy
Shelob's Ambush
20%inclusion1 decks5 decks
19%synergy
Lethal Scheme
20%inclusion1 decks5 decks
18%synergy
Grapple with the Past
20%inclusion1 decks5 decks
15%synergy
Nameless Inversion
20%inclusion1 decks5 decks
18%synergy
Corpse Churn
20%inclusion1 decks5 decks
19%synergy
Drag to the Roots
20%inclusion1 decks5 decks
16%synergy
Cosmic Hunger
20%inclusion1 decks5 decks
18%synergy
Sorceries
Germination Practicum
100%inclusion1 decks1 decks
96%synergy
Rise of the Witch-king
60%inclusion3 decks5 decks
49%synergy
Swarmyard Massacre
60%inclusion3 decks5 decks
50%synergy
Spider Food
40%inclusion2 decks5 decks
38%synergy
Rampant Growth
40%inclusion2 decks5 decks
9%synergy
Cultivate
40%inclusion2 decks5 decks
1%synergy
Kindred Dominance
40%inclusion2 decks5 decks
34%synergy
Diabolic Intent
20%inclusion1 decks5 decks
10%synergy
Diabolic Tutor
20%inclusion1 decks5 decks
15%synergy
Overcome
20%inclusion1 decks5 decks
20%synergy
Kodama's Reach
20%inclusion1 decks5 decks
-1%synergy
Culling Ritual
20%inclusion1 decks5 decks
-2%synergy
Overrun
20%inclusion1 decks5 decks
17%synergy
Find // Finality
20%inclusion1 decks5 decks
18%synergy
Victimize
20%inclusion1 decks5 decks
1%synergy
Dread Return
20%inclusion1 decks5 decks
11%synergy
Triumph of the Hordes
20%inclusion1 decks5 decks
14%synergy
Beacon of Creation
20%inclusion1 decks5 decks
19%synergy
Praetor's Grasp
20%inclusion1 decks5 decks
19%synergy
Demonic Counsel
20%inclusion1 decks5 decks
19%synergy
Reanimate
20%inclusion1 decks5 decks
1%synergy
Squirming Emergence
20%inclusion1 decks5 decks
17%synergy
Utility Artifacts
Cauldron of Essence
100%inclusion1 decks1 decks
74%synergy
Urza's Incubator
40%inclusion2 decks5 decks
38%synergy
Winter Orb
20%inclusion1 decks5 decks
20%synergy
Possessed Portal
20%inclusion1 decks5 decks
20%synergy
Manifold Key
20%inclusion1 decks5 decks
20%synergy
Blasting Station
20%inclusion1 decks5 decks
19%synergy
Ashnod's Altar
20%inclusion1 decks5 decks
2%synergy
Aetherflux Reservoir
20%inclusion1 decks5 decks
18%synergy
Skullclamp
20%inclusion1 decks5 decks
-11%synergy
Vanquisher's Banner
20%inclusion1 decks5 decks
16%synergy
Maskwood Nexus
20%inclusion1 decks5 decks
15%synergy
Herald's Horn
20%inclusion1 decks5 decks
16%synergy
Emerald Medallion
20%inclusion1 decks5 decks
16%synergy
Hedge Shredder
20%inclusion1 decks5 decks
15%synergy
Grafted Exoskeleton
20%inclusion1 decks5 decks
19%synergy
Enchantments
Crawling Infestation
60%inclusion3 decks5 decks
55%synergy
Doubling Season
40%inclusion2 decks5 decks
23%synergy
Moldervine Reclamation
40%inclusion2 decks5 decks
16%synergy
Crawling Sensation
40%inclusion2 decks5 decks
35%synergy
Curse of Clinging Webs
40%inclusion2 decks5 decks
37%synergy
Black Market Connections
40%inclusion2 decks5 decks
31%synergy
Insidious Roots
40%inclusion2 decks5 decks
30%synergy
Cryptolith Rite
20%inclusion1 decks5 decks
14%synergy
Beastmaster Ascension
20%inclusion1 decks5 decks
9%synergy
The Meathook Massacre
20%inclusion1 decks5 decks
12%synergy
Spelunking
20%inclusion1 decks5 decks
17%synergy
Ripples of Undeath
20%inclusion1 decks5 decks
13%synergy
Grievous Wound
20%inclusion1 decks5 decks
19%synergy
Deadbridge Chant
20%inclusion1 decks5 decks
15%synergy
Lignify
20%inclusion1 decks5 decks
17%synergy
Glistening Oil
20%inclusion1 decks5 decks
20%synergy
Parallel Lives
20%inclusion1 decks5 decks
7%synergy
Phyresis
20%inclusion1 decks5 decks
19%synergy
March of the World Ooze
20%inclusion1 decks5 decks
19%synergy
Funeral Room // Awakening Hall
20%inclusion1 decks5 decks
18%synergy
Deathreap Ritual
20%inclusion1 decks5 decks
9%synergy
Cover of Darkness
20%inclusion1 decks5 decks
18%synergy
Boseiju Reaches Skyward
20%inclusion1 decks5 decks
20%synergy
Planeswalkers
Grist, the Hunger Tide
60%inclusion3 decks5 decks
51%synergy
Lolth, Spider Queen
40%inclusion2 decks5 decks
36%synergy
Wrenn and Realmbreaker
20%inclusion1 decks5 decks
19%synergy
Wrenn and Seven
20%inclusion1 decks5 decks
17%synergy
Utility Lands
Swarmyard
60%inclusion3 decks5 decks
46%synergy
Reliquary Tower
40%inclusion2 decks5 decks
17%synergy
Three Tree City
40%inclusion2 decks5 decks
29%synergy
Rogue's Passage
40%inclusion2 decks5 decks
18%synergy
Shizo, Death's Storehouse
20%inclusion1 decks5 decks
15%synergy
Bojuka Bog
20%inclusion1 decks5 decks
-22%synergy
Wasteland
20%inclusion1 decks5 decks
19%synergy
Okina, Temple to the Grandfathers
20%inclusion1 decks5 decks
19%synergy
Grim Backwoods
20%inclusion1 decks5 decks
6%synergy
Inkmoth Nexus
20%inclusion1 decks5 decks
19%synergy
Cabal Coffers
20%inclusion1 decks5 decks
12%synergy
Shifting Woodland
20%inclusion1 decks5 decks
10%synergy
Restless Cottage
20%inclusion1 decks5 decks
13%synergy
Hissing Quagmire
20%inclusion1 decks5 decks
17%synergy
Tree of Tales
20%inclusion1 decks5 decks
13%synergy
Yavimaya, Cradle of Growth
20%inclusion1 decks5 decks
-7%synergy
The Shire
20%inclusion1 decks5 decks
12%synergy
Tranquil Thicket
20%inclusion1 decks5 decks
12%synergy
Mikokoro, Center of the Sea
20%inclusion1 decks5 decks
20%synergy
Takenuma, Abandoned Mire
20%inclusion1 decks5 decks
10%synergy
Boseiju, Who Endures
20%inclusion1 decks5 decks
2%synergy
Temple of the False God
20%inclusion1 decks5 decks
14%synergy
Urborg, Tomb of Yawgmoth
20%inclusion1 decks5 decks
-2%synergy
Access Tunnel
20%inclusion1 decks5 decks
18%synergy
Pendelhaven
20%inclusion1 decks5 decks
19%synergy
Mana Artifacts
Sol Ring
100%inclusion5 decks5 decks
21%synergy
Arcane Signet
60%inclusion3 decks5 decks
-2%synergy
Golgari Signet
60%inclusion3 decks5 decks
36%synergy
Talisman of Resilience
60%inclusion3 decks5 decks
36%synergy
Lotus Petal
40%inclusion2 decks5 decks
36%synergy
Staff of Compleation
20%inclusion1 decks5 decks
19%synergy
Patchwork Banner
20%inclusion1 decks5 decks
13%synergy
Mox Amber
20%inclusion1 decks5 decks
19%synergy
Worn Powerstone
20%inclusion1 decks5 decks
20%synergy
Lands
Swamp
100%inclusion5 decks5 decks
2%synergy
Forest
100%inclusion5 decks5 decks
2%synergy
Turbulent Fen
100%inclusion1 decks1 decks
82%synergy
Command Tower
80%inclusion4 decks5 decks
-5%synergy
Llanowar Wastes
80%inclusion4 decks5 decks
26%synergy
Twilight Mire
80%inclusion4 decks5 decks
39%synergy
Exotic Orchard
60%inclusion3 decks5 decks
31%synergy
Overgrown Tomb
60%inclusion3 decks5 decks
12%synergy
Woodland Cemetery
60%inclusion3 decks5 decks
-5%synergy
Temple of Malady
60%inclusion3 decks5 decks
27%synergy
Deathcap Glade
60%inclusion3 decks5 decks
26%synergy
Tainted Wood
60%inclusion3 decks5 decks
16%synergy
Golgari Rot Farm
40%inclusion2 decks5 decks
2%synergy
Viridescent Bog
40%inclusion2 decks5 decks
17%synergy
Jungle Hollow
40%inclusion2 decks5 decks
17%synergy
Necroblossom Snarl
40%inclusion2 decks5 decks
2%synergy
Undergrowth Stadium
40%inclusion2 decks5 decks
1%synergy
Underground Mortuary
40%inclusion2 decks5 decks
20%synergy
Vernal Fen
33%inclusion1 decks3 decks
9%synergy
Misty Rainforest
20%inclusion1 decks5 decks
13%synergy
Terramorphic Expanse
20%inclusion1 decks5 decks
-1%synergy
Darkmoss Bridge
20%inclusion1 decks5 decks
11%synergy
Windswept Heath
20%inclusion1 decks5 decks
13%synergy
Wooded Foothills
20%inclusion1 decks5 decks
13%synergy
Valgavoth's Lair
20%inclusion1 decks5 decks
16%synergy
Verdant Catacombs
20%inclusion1 decks5 decks
-9%synergy
Nurturing Peatland
20%inclusion1 decks5 decks
8%synergy
Haunted Mire
20%inclusion1 decks5 decks
5%synergy
Bayou
20%inclusion1 decks5 decks
8%synergy
Gemstone Caverns
20%inclusion1 decks5 decks
18%synergy
Mana Confluence
20%inclusion1 decks5 decks
17%synergy
Marsh Flats
20%inclusion1 decks5 decks
14%synergy
Polluted Delta
20%inclusion1 decks5 decks
14%synergy
City of Brass
20%inclusion1 decks5 decks
17%synergy
Bloodstained Mire
20%inclusion1 decks5 decks
14%synergy
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