Commander Masters · 2023 Commander precon
Sliver Swarm upgrade guide
Budget upgrades, cuts and the full decklist for Sliver Gravemother.
Sliver Swarm is a five-color Commander precon from Commander Masters (2023), led by Sliver Gravemother. Out of the box it runs 37 lands, 10 ramp pieces, 7 card-draw effects, 5 removal spells and 2 board wipes, with an average mana value of 3.13.
Measured against a typical Commander build, it's lightest on removal, board wipes and card draw, and 16 of its lands enter tapped. Its game plan leans on sliver tribal, so the plan below favors cards that push that. The $50 plan below makes 10 swaps for $12.54.
Deck health
$50 budget plan
Best upgrades for Sliver Swarm
10 swaps for $12.54, built around sliver tribal. Prices as of November 6, 2026.
Add 10
Protection: deck has 1 of ~2 · #12 on EDHREC$1.89
Removal: deck has 5 of ~8 · #11 on EDHREC$1.22
Board wipes: deck has 2 of ~3 · #22 on EDHREC$0.78
Card draw: deck has 7 of ~10 · #52 on EDHREC$2.03
Fits your Sliver tribal plan$0.45
Fits your Sliver tribal plan$0.81
Fits your Sliver tribal plan$0.37
Untapped land for black & blue · #49 on EDHREC$4.47
Untapped land for red & blue · #75 on EDHREC$0.27
Untapped land for red & white · #77 on EDHREC$0.25
Cut 10
Enters tapped — slows your early turns
Enters tapped — slows your early turns
Enters tapped — slows your early turns
Trims you to 36 lands — the deck runs 37
Rarely played (#8,290 on EDHREC) · Doesn't support the deck's plan
Doesn't support the deck's plan
Costs 6 mana
Costs 6 mana
Doesn't support the deck's plan
Doesn't support the deck's plan
Sliver Swarm decklist
Commander (1)
- 1Sliver Gravemother$21.24
Creatures (43)
- 1Blade Sliver$0.35
- 1Blur Sliver$0.44
- 1Bonescythe Sliver$4.97
- 1Bonesplitter Sliver$0.26
- 1Brood Sliver$5.57
- 1Capricious Sliver$0.70
- 1Cleaving Sliver$0.25
- 1Clot Sliver$0.35
- 1Cloudshredder Sliver$3.99
- 1Constricting Sliver$0.97
- 1Crypt Sliver$1.76
- 1Crystalline Sliver$3.29
- 1Diffusion Sliver$4.28
- 1Firewake Sliver$0.40
- 1Galerider Sliver$5.72
- 1Gemhide Sliver$0.82
- 1Harmonic Sliver$2.57
- 1Hatchery Sliver$13.16
- 1Hibernation Sliver$2.23
- 1Hollowhead Sliver$0.32
- 1Lavabelly Sliver$0.75
- 1Lazotep Sliver$8.72
- 1Manaweft Sliver$3.42
- 1Megantic Sliver$1.00
- 1Might Sliver$0.59
- 1Necrotic Sliver$0.42
- 1Quick Sliver$1.00
- 1Realmwalker$2.40
- 1Regal Sliver$1.01
- 1Rukarumel, Biologist$2.66
- 1Sentinel Sliver$2.37
- 1Shifting Sliver$2.50
- 1Sinew Sliver$0.50
- 1Sliver Hivelord$15.72
- 1Spiteful Sliver$2.11
- 1Striking Sliver$1.22
- 1Synapse Sliver$6.16
- 1Syphon Sliver$6.43
- 1Taunting Sliver$3.11
- 1Titan of Littjara$5.02
- 1Two-Headed Sliver$0.40
- 1Venom Sliver$5.18
- 1Winged Sliver$0.93
Instants (1)
- 1For the Ancestors$2.04
Sorceries (10)
- 1Cleansing Nova$0.39
- 1Crippling Fear$2.51
- 1Cultivate$0.54
- 1Decimate$0.30
- 1Distant Melody$0.64
- 1Farseek$1.42
- 1Harsh Mercy$1.50
- 1Nature's Lore$3.21
- 1Three Visits$7.22
- 1Windfall$5.66
Artifacts (7)
- 1Arcane Signet$0.72
- 1Fellwar Stone$1.04
- 1Herald's Horn$6.47
- 1Icon of Ancestry$0.59
- 1Pillar of Origins$0.53
- 1Sol Ring$2.04
- 1Vanquisher's Banner$6.24
Enchantments (1)
- 1Descendants' Fury$0.45
Lands (37)
- 1Ash Barrens$0.26
- 1Canopy Vista$0.43
- 1Cinder Glade$0.35
- 1Command Tower$0.37
- 1Exotic Orchard$0.33
- 1Flood Plain$0.45
- 3Forest$0.25
- 1Frontier Bivouac$0.33
- 1Grasslands$0.36
- 1Irrigated Farmland$0.31
- 2Island$0.22
- 1Jungle Shrine$0.51
- 2Mountain$0.24
- 1Mountain Valley$0.37
- 1Mystic Monastery$0.32
- 1Nomad Outpost$0.58
- 1Opulent Palace$0.40
- 1Path of Ancestry$0.27
- 2Plains$0.20
- 1Prairie Stream$0.26
- 1Rocky Tar Pit$0.36
- 1Sandsteppe Citadel$0.33
- 1Savage Lands$0.67
- 1Scattered Groves$0.27
- 1Seaside Citadel$0.48
- 1Secluded Courtyard$0.37
- 1Sheltered Thicket$0.27
- 1Smoldering Marsh$0.38
- 1Sunken Hollow$0.42
- 2Swamp$0.26
- 1Unclaimed Territory$0.35
FAQ
How much is the Sliver Swarm precon worth?
At current prices the 100 cards in Sliver Swarm are worth about $203.16 as singles (cheapest printings, TCGplayer market price as of November 6, 2026).
What are the best budget upgrades for Sliver Swarm?
For about $12.54, our top picks are Swiftfoot Boots, Swords to Plowshares, Blasphemous Act, Arcane Denial, Predatory Sliver. The full 10-card plan with cuts is above, and the upgrade tool can rebuild it for any budget.
What should I cut from Sliver Swarm?
Start with Flood Plain, Grasslands, Rocky Tar Pit, Mountain Valley. These are the least-played or slowest cards that don't support the deck's plan.
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