EDH Optimizer
Sliver Swarm precon: decklist, bracket and price
Sliver Swarm is the Sliver Gravemother precon (CMM, August 4, 2023). Here is its list as it comes in the box, what the EDH Optimizer analysis says about it and how it starts over 10,000 simulated games.
Commander: Sliver Gravemother
Color identity: White · Blue · Black · Red · Green
Product: Sliver Swarm (CMM, released on August 4, 2023)
Bracket: 2
Deck health: C+ (59/100)
Reference price of the list: €107.73
Paste your box list (or the upgraded one) and see what it lacks, what it has too much of and how it starts over 10,000 games.
📥 Analyze my preconHow the box starts over 10,000 games
EDH Optimizer goldfish simulation of the list as it comes: hands, lands, curve and commander. It does not model opponents; it measures whether the plan gets going.
Deck health axes · C+ (59/100)
- Consistency55
- Speed52
- Interaction33
- Resilience56
- Closing92
EDH Optimizer analysis data as of August 25, 2026.
Why it is bracket 2
Per the official Commander bracket rules, applied to the box list.
What it runs, by role
The full precon decklist
The cards exactly as they come in the box, by type. Cards with a page link to it.
Creatures (43)
- Winged Sliver
- Clot Sliver
- Crystalline Sliver
- Hibernation Sliver
- Synapse Sliver
- Brood Sliver
- Shifting Sliver
- Blade Sliver
- Crypt Sliver
- Quick Sliver
- Firewake Sliver
- Harmonic Sliver
- Two-Headed Sliver
- Gemhide Sliver
- Bonesplitter Sliver
- Might Sliver
- Sinew Sliver
- Necrotic Sliver
- Bonescythe Sliver
- Megantic Sliver
- Striking Sliver
- Blur Sliver
- Sentinel Sliver
- Manaweft Sliver
- Galerider Sliver
- Syphon Sliver
- Sliver Hivelord
- Venom Sliver
- Diffusion Sliver
- Constricting Sliver
- Hollowhead Sliver
- Spiteful Sliver
- Lavabelly Sliver
- Cloudshredder Sliver
- Cleaving Sliver
- Realmwalker
- Hatchery Sliver
- Titan of Littjara
- Lazotep Sliver
- Taunting Sliver
- Regal Sliver
- Rukarumel, Biologist
- Capricious Sliver
Instants (1)
- For the Ancestors
Sorceries (10)
- Nature's Lore
- Windfall
- Three Visits
- Decimate
- Harsh Mercy
- Farseek
- Distant Melody
- Cultivate
- Cleansing Nova
- Crippling Fear
Artifacts (7)
- Sol Ring
- Fellwar Stone
- Herald's Horn
- Pillar of Origins
- Vanquisher's Banner
- Icon of Ancestry
- Arcane Signet
Enchantments (1)
- Descendants' Fury
Lands (37)
- 2× Swamp
- 2× Mountain
- 2× Plains
- 3× Forest
- 2× Island
- Mountain Valley
- Grasslands
- Flood Plain
- Rocky Tar Pit
- Seaside Citadel
- Savage Lands
- Jungle Shrine
- Exotic Orchard
- Command Tower
- Nomad Outpost
- Mystic Monastery
- Opulent Palace
- Frontier Bivouac
- Sandsteppe Citadel
- Sunken Hollow
- Smoldering Marsh
- Canopy Vista
- Cinder Glade
- Prairie Stream
- Ash Barrens
- Irrigated Farmland
- Sheltered Thicket
- Scattered Groves
- Path of Ancestry
- Unclaimed Territory
- Secluded Courtyard
Frequently asked questions
What bracket is the Sliver Swarm precon?
Bracket 2 per the official Commander rules, applied to the box list: 0 game changers, 0 fast mana cards, 4 tutors and 0 two-card combos.
How much is the Sliver Swarm precon worth in singles?
About €107.73 adding the reference price of its 100 cards (cheapest English printing, changes daily). It is the figure to compare against the box price, not the box price itself.
How many lands does the Sliver Swarm precon run, and does it get stuck?
It runs 37 lands. Over 10,000 simulated games it misses at least one land drop in the first six turns 34 % of the time and floods 8 %; the commander comes down on turn 5.5 on average.
How do I upgrade the Sliver Swarm precon?
Paste the box list into EDH Optimizer and hit Optimize: the AI suggests swaps that fit the per-card price cap you pick (€2, €10 or no cap), with the analysis and the 10,000 games before and after. To start with, the box runs 11 ramp cards, 12 draw and 4 removal: that is where the first swaps usually go.