The Swarmweaver (Commander) - Upgraded Mill

The Swarmweaver
Rank #1,267
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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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Enchantments
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Utility Lands
Mana Artifacts
Lands
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Vastlands Scavenger
50%inclusion1 decks2 decks
48%synergy
High Synergy Cards
Broodspinner
100%inclusion6 decks6 decks
98%synergy
Crawling Sensation
100%inclusion6 decks6 decks
94%synergy
Nyx Weaver
100%inclusion6 decks6 decks
91%synergy
Twitching Doll
100%inclusion6 decks6 decks
91%synergy
Crawling Infestation
83%inclusion5 decks6 decks
78%synergy
Caustic Caterpillar
83%inclusion5 decks6 decks
77%synergy
Grist, the Hunger Tide
83%inclusion5 decks6 decks
74%synergy
Arachnogenesis
83%inclusion5 decks6 decks
74%synergy
Icetill Explorer
80%inclusion4 decks5 decks
72%synergy
Scute Swarm
83%inclusion5 decks6 decks
69%synergy
Top Cards
Haywire Mite
83%inclusion5 decks6 decks
65%synergy
Hornet Nest
67%inclusion4 decks6 decks
63%synergy
Grist, Voracious Larva
67%inclusion4 decks6 decks
62%synergy
Victimize
67%inclusion4 decks6 decks
48%synergy
Ripples of Undeath
67%inclusion4 decks6 decks
59%synergy
Skull Prophet
67%inclusion4 decks6 decks
59%synergy
Zask, Skittering Swarmlord
67%inclusion4 decks6 decks
64%synergy
Spinner of Souls
67%inclusion4 decks6 decks
63%synergy
Arasta of the Endless Web
67%inclusion4 decks6 decks
56%synergy
Ishkanah, Grafwidow
67%inclusion4 decks6 decks
63%synergy
Game Changers
Demonic Tutor
33%inclusion2 decks6 decks
18%synergy
Gaea's Cradle
17%inclusion1 decks6 decks
11%synergy
Natural Order
17%inclusion1 decks6 decks
13%synergy
Creatures
Molt Tender
67%inclusion4 decks6 decks
64%synergy
Demolisher Spawn
50%inclusion3 decks6 decks
46%synergy
Hornet Queen
50%inclusion3 decks6 decks
44%synergy
Aatchik, Emerald Radian
50%inclusion3 decks6 decks
46%synergy
Altanak, the Thrice-Called
50%inclusion3 decks6 decks
48%synergy
Amzu, Swarm's Hunger
50%inclusion3 decks6 decks
47%synergy
Shelob, Child of Ungoliant
50%inclusion3 decks6 decks
49%synergy
Giant Adephage
50%inclusion3 decks6 decks
46%synergy
Old Rutstein
50%inclusion3 decks6 decks
45%synergy
Blex, Vexing Pest
50%inclusion3 decks6 decks
47%synergy
Fynn, the Fangbearer
50%inclusion3 decks6 decks
45%synergy
Scute Mob
50%inclusion3 decks6 decks
47%synergy
Seedship Broodtender
40%inclusion2 decks5 decks
37%synergy
Mirkwood Spider
33%inclusion2 decks6 decks
31%synergy
Hermit Druid
33%inclusion2 decks6 decks
30%synergy
Spring-Leaf Avenger
33%inclusion2 decks6 decks
31%synergy
Living Hive
33%inclusion2 decks6 decks
32%synergy
Treetop Snarespinner
33%inclusion2 decks6 decks
32%synergy
Moldgraf Millipede
33%inclusion2 decks6 decks
31%synergy
Ant Queen
33%inclusion2 decks6 decks
31%synergy
Izoni, Thousand-Eyed
33%inclusion2 decks6 decks
28%synergy
Beast Whisperer
33%inclusion2 decks6 decks
20%synergy
Skyfisher Spider
33%inclusion2 decks6 decks
29%synergy
Springheart Nantuko
33%inclusion2 decks6 decks
27%synergy
Broodhatch Nantuko
33%inclusion2 decks6 decks
31%synergy
Fumulus, the Infestation
33%inclusion2 decks6 decks
30%synergy
Mazirek, Kraul Death Priest
33%inclusion2 decks6 decks
25%synergy
Sakura-Tribe Elder
33%inclusion2 decks6 decks
5%synergy
Millikin
33%inclusion2 decks6 decks
30%synergy
Huskburster Swarm
33%inclusion2 decks6 decks
31%synergy
Gene Pollinator
20%inclusion1 decks5 decks
18%synergy
Eumidian Terrabotanist
20%inclusion1 decks5 decks
18%synergy
Flesh Burrower
17%inclusion1 decks6 decks
16%synergy
Syr Konrad, the Grim
17%inclusion1 decks6 decks
4%synergy
Circuit Mender
17%inclusion1 decks6 decks
15%synergy
Creakwood Liege
17%inclusion1 decks6 decks
12%synergy
Grim Flayer
17%inclusion1 decks6 decks
15%synergy
Rotwidow Pack
17%inclusion1 decks6 decks
14%synergy
Eternal Witness
17%inclusion1 decks6 decks
-6%synergy
Morbid Opportunist
17%inclusion1 decks6 decks
4%synergy
Osseous Sticktwister
17%inclusion1 decks6 decks
16%synergy
Enduring Vitality
17%inclusion1 decks6 decks
8%synergy
Honest Rutstein
17%inclusion1 decks6 decks
8%synergy
Canoptek Scarab Swarm
17%inclusion1 decks6 decks
15%synergy
Overlord of the Balemurk
17%inclusion1 decks6 decks
14%synergy
Llanowar Elves
17%inclusion1 decks6 decks
-18%synergy
Barrowgoyf
17%inclusion1 decks6 decks
16%synergy
Zulaport Cutthroat
17%inclusion1 decks6 decks
-5%synergy
Atraxa's Skitterfang
17%inclusion1 decks6 decks
16%synergy
Craterhoof Behemoth
17%inclusion1 decks6 decks
5%synergy
Instants
Putrefy
67%inclusion4 decks6 decks
33%synergy
Grapple with the Past
67%inclusion4 decks6 decks
62%synergy
Drag to the Roots
67%inclusion4 decks6 decks
63%synergy
Assassin's Trophy
50%inclusion3 decks6 decks
3%synergy
Heroic Intervention
33%inclusion2 decks6 decks
2%synergy
Tear Asunder
33%inclusion2 decks6 decks
18%synergy
Second Harvest
33%inclusion2 decks6 decks
19%synergy
Grisly Salvage
33%inclusion2 decks6 decks
23%synergy
Corpse Churn
33%inclusion2 decks6 decks
32%synergy
Fell the Profane
17%inclusion1 decks6 decks
7%synergy
Harrow
17%inclusion1 decks6 decks
8%synergy
Beast Within
17%inclusion1 decks6 decks
-18%synergy
Bitter Triumph
17%inclusion1 decks6 decks
14%synergy
Revitalizing Repast
17%inclusion1 decks6 decks
-3%synergy
Noxious Revival
17%inclusion1 decks6 decks
12%synergy
Malakir Rebirth
17%inclusion1 decks6 decks
7%synergy
Collective Resistance
17%inclusion1 decks6 decks
12%synergy
Lethal Scheme
17%inclusion1 decks6 decks
15%synergy
Nameless Inversion
17%inclusion1 decks6 decks
15%synergy
Realms Uncharted
17%inclusion1 decks6 decks
16%synergy
Withering Torment
17%inclusion1 decks6 decks
14%synergy
Sorceries
Rampant Growth
67%inclusion4 decks6 decks
34%synergy
Kodama's Reach
50%inclusion3 decks6 decks
28%synergy
Rise of the Witch-king
50%inclusion3 decks6 decks
38%synergy
Feed the Swarm
50%inclusion3 decks6 decks
43%synergy
Reanimate
50%inclusion3 decks6 decks
30%synergy
Squirming Emergence
50%inclusion3 decks6 decks
46%synergy
Dread Return
33%inclusion2 decks6 decks
24%synergy
Swarmyard Massacre
33%inclusion2 decks6 decks
22%synergy
Cultivate
33%inclusion2 decks6 decks
-6%synergy
Damnation
33%inclusion2 decks6 decks
27%synergy
Mulch
17%inclusion1 decks6 decks
13%synergy
Three Visits
17%inclusion1 decks6 decks
-2%synergy
Yawgmoth's Will
17%inclusion1 decks6 decks
16%synergy
Blasphemous Edict
17%inclusion1 decks6 decks
10%synergy
Demonic Counsel
17%inclusion1 decks6 decks
16%synergy
Nature's Lore
17%inclusion1 decks6 decks
-9%synergy
Buried Alive
17%inclusion1 decks6 decks
9%synergy
Ransack the Lab
17%inclusion1 decks6 decks
16%synergy
Deluge of Doom
17%inclusion1 decks6 decks
15%synergy
Life from the Loam
17%inclusion1 decks6 decks
10%synergy
Toxic Deluge
17%inclusion1 decks6 decks
-5%synergy
Lich-Knights' Conquest
17%inclusion1 decks6 decks
13%synergy
Convert to Slime
17%inclusion1 decks6 decks
15%synergy
Formless Genesis
17%inclusion1 decks6 decks
14%synergy
Dark Deal
17%inclusion1 decks6 decks
16%synergy
Bushwhack
17%inclusion1 decks6 decks
13%synergy
Shamanic Revelation
17%inclusion1 decks6 decks
5%synergy
Bala Ged Recovery
17%inclusion1 decks6 decks
6%synergy
Eaten Alive
17%inclusion1 decks6 decks
15%synergy
Life // Death
17%inclusion1 decks6 decks
14%synergy
Spider Spawning
17%inclusion1 decks6 decks
13%synergy
Rise of the Dark Realms
17%inclusion1 decks6 decks
12%synergy
Utility Artifacts
Broodheart Engine
50%inclusion3 decks6 decks
49%synergy
Skullclamp
50%inclusion3 decks6 decks
19%synergy
Hedge Shredder
50%inclusion3 decks6 decks
45%synergy
Altar of Bhaal
33%inclusion2 decks6 decks
33%synergy
Perpetual Timepiece
33%inclusion2 decks6 decks
30%synergy
Whip of Erebos
33%inclusion2 decks6 decks
28%synergy
Coat of Arms
33%inclusion2 decks6 decks
29%synergy
Maskwood Nexus
33%inclusion2 decks6 decks
28%synergy
Swiftfoot Boots
33%inclusion2 decks6 decks
9%synergy
Mask of Memory
33%inclusion2 decks6 decks
33%synergy
Conduit of Worlds
33%inclusion2 decks6 decks
27%synergy
Millstone
17%inclusion1 decks6 decks
17%synergy
Crucible of Worlds
17%inclusion1 decks6 decks
14%synergy
Ashnod's Altar
17%inclusion1 decks6 decks
-2%synergy
Nim Deathmantle
17%inclusion1 decks6 decks
16%synergy
Sword of Hearth and Home
17%inclusion1 decks6 decks
16%synergy
Resurrection Orb
17%inclusion1 decks6 decks
17%synergy
Loxodon Warhammer
17%inclusion1 decks6 decks
15%synergy
Enchantments
The Hunger Tide Rises
50%inclusion3 decks6 decks
48%synergy
Deadbridge Chant
50%inclusion3 decks6 decks
45%synergy
Parallel Lives
50%inclusion3 decks6 decks
37%synergy
Deathreap Ritual
50%inclusion3 decks6 decks
39%synergy
Wall Crawl
40%inclusion2 decks5 decks
39%synergy
Beastmaster Ascension
33%inclusion2 decks6 decks
22%synergy
Journey to Eternity
33%inclusion2 decks6 decks
28%synergy
Cemetery Tampering
33%inclusion2 decks6 decks
30%synergy
Sigil of Myrkul
33%inclusion2 decks6 decks
33%synergy
Oversold Cemetery
33%inclusion2 decks6 decks
30%synergy
Phyrexian Arena
33%inclusion2 decks6 decks
20%synergy
Ninja Teen
33%inclusion1 decks3 decks
33%synergy
Avatar Destiny
20%inclusion1 decks5 decks
19%synergy
Doubling Season
17%inclusion1 decks6 decks
0%synergy
Cryptolith Rite
17%inclusion1 decks6 decks
11%synergy
Lignify
17%inclusion1 decks6 decks
14%synergy
Moldervine Reclamation
17%inclusion1 decks6 decks
-7%synergy
Song of the Dryads
17%inclusion1 decks6 decks
16%synergy
March of the World Ooze
17%inclusion1 decks6 decks
15%synergy
Spidersilk Armor
17%inclusion1 decks6 decks
16%synergy
Viridian Revel
17%inclusion1 decks6 decks
13%synergy
Polluted Cistern // Dim Oubliette
17%inclusion1 decks6 decks
14%synergy
Curse of Clinging Webs
17%inclusion1 decks6 decks
14%synergy
Growing Rites of Itlimoc
17%inclusion1 decks6 decks
8%synergy
Battles
Invasion of Zendikar
17%inclusion1 decks6 decks
16%synergy
Invasion of Shandalar
17%inclusion1 decks6 decks
16%synergy
Planeswalkers
Lolth, Spider Queen
50%inclusion3 decks6 decks
46%synergy
Vraska, Golgari Queen
17%inclusion1 decks6 decks
11%synergy
Utility Lands
Swarmyard
83%inclusion5 decks6 decks
69%synergy
Bojuka Bog
67%inclusion4 decks6 decks
26%synergy
Vault of Whispers
50%inclusion3 decks6 decks
43%synergy
Tree of Tales
50%inclusion3 decks6 decks
43%synergy
Takenuma, Abandoned Mire
50%inclusion3 decks6 decks
39%synergy
Shifting Woodland
33%inclusion2 decks6 decks
23%synergy
Boseiju, Who Endures
33%inclusion2 decks6 decks
15%synergy
Urborg, Tomb of Yawgmoth
33%inclusion2 decks6 decks
11%synergy
Dryad Arbor
33%inclusion2 decks6 decks
24%synergy
Barren Moor
17%inclusion1 decks6 decks
9%synergy
Kishla Village
17%inclusion1 decks6 decks
15%synergy
Mosswort Bridge
17%inclusion1 decks6 decks
12%synergy
Nykthos, Shrine to Nyx
17%inclusion1 decks6 decks
14%synergy
Yavimaya, Cradle of Growth
17%inclusion1 decks6 decks
-11%synergy
Temple of the False God
17%inclusion1 decks6 decks
10%synergy
Strip Mine
17%inclusion1 decks6 decks
14%synergy
Nesting Grounds
17%inclusion1 decks6 decks
14%synergy
Three Tree City
17%inclusion1 decks6 decks
6%synergy
Field of Ruin
17%inclusion1 decks6 decks
15%synergy
Mana Artifacts
Sol Ring
100%inclusion6 decks6 decks
20%synergy
Arcane Signet
67%inclusion4 decks6 decks
5%synergy
Talisman of Resilience
33%inclusion2 decks6 decks
9%synergy
The Soul Stone
20%inclusion1 decks5 decks
17%synergy
Golgari Signet
17%inclusion1 decks6 decks
-9%synergy
Golgari Keyrune
17%inclusion1 decks6 decks
16%synergy
Lands
Swamp
100%inclusion6 decks6 decks
3%synergy
Forest
100%inclusion6 decks6 decks
2%synergy
Command Tower
67%inclusion4 decks6 decks
-19%synergy
Golgari Rot Farm
50%inclusion3 decks6 decks
10%synergy
Llanowar Wastes
50%inclusion3 decks6 decks
-3%synergy
Necroblossom Snarl
50%inclusion3 decks6 decks
13%synergy
Overgrown Tomb
50%inclusion3 decks6 decks
3%synergy
Twilight Mire
50%inclusion3 decks6 decks
11%synergy
Temple of Malady
50%inclusion3 decks6 decks
16%synergy
Tainted Wood
50%inclusion3 decks6 decks
6%synergy
Prismatic Vista
33%inclusion2 decks6 decks
28%synergy
Darkmoss Bridge
33%inclusion2 decks6 decks
24%synergy
Valgavoth's Lair
33%inclusion2 decks6 decks
29%synergy
Verdant Catacombs
33%inclusion2 decks6 decks
4%synergy
Viridescent Bog
33%inclusion2 decks6 decks
11%synergy
Undergrowth Stadium
33%inclusion2 decks6 decks
-5%synergy
Evolving Wilds
33%inclusion2 decks6 decks
7%synergy
Bayou
33%inclusion2 decks6 decks
21%synergy
Woodland Cemetery
33%inclusion2 decks6 decks
-30%synergy
Fell the Profane
17%inclusion1 decks6 decks
7%synergy
Misty Rainforest
17%inclusion1 decks6 decks
10%synergy
Terramorphic Expanse
17%inclusion1 decks6 decks
-4%synergy
Windswept Heath
17%inclusion1 decks6 decks
9%synergy
Hidden Grotto
17%inclusion1 decks6 decks
16%synergy
Strangled Cemetery
17%inclusion1 decks6 decks
15%synergy
Ash Barrens
17%inclusion1 decks6 decks
12%synergy
Wooded Foothills
17%inclusion1 decks6 decks
10%synergy
Blooming Marsh
17%inclusion1 decks6 decks
2%synergy
Reflecting Pool
17%inclusion1 decks6 decks
14%synergy
Jungle Hollow
17%inclusion1 decks6 decks
-7%synergy
Underground Mortuary
17%inclusion1 decks6 decks
-4%synergy
Darkbore Pathway
17%inclusion1 decks6 decks
-2%synergy
Revitalizing Repast
17%inclusion1 decks6 decks
-3%synergy
Plaza of Heroes
17%inclusion1 decks6 decks
15%synergy
Festering Gulch
17%inclusion1 decks6 decks
13%synergy
Malakir Rebirth
17%inclusion1 decks6 decks
7%synergy
Bala Ged Recovery
17%inclusion1 decks6 decks
6%synergy
Marsh Flats
17%inclusion1 decks6 decks
10%synergy
Polluted Delta
17%inclusion1 decks6 decks
10%synergy
Deathcap Glade
17%inclusion1 decks6 decks
-14%synergy
Bloodstained Mire
17%inclusion1 decks6 decks
10%synergy
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