Sliver Swarm upgrade

Commander
WUBRGThe First Sliver
4.2±0.3
Upgraded Precon
Core strategy improved with targeted swaps. Mana base and card draw still have clear gaps.
Primary win line:Go-wide combat finish
High confidence(277 pts)
Estimated win turn
T5best
T6typical
T8+contested
Vector breakdown
Commander Synergy (1 groups)+9ⓘ
Fast mana1
1Sol Ring+10
Mana rocks7
2Arcane Signet+6
2Fellwar Stone+5
2Selesnya Signet+4
2Gruul Signet+4
2Pillar of Origins+4
2Simic Signet+4
3Chromatic Lantern+1
Mana dorks3
GBirds of Paradise+6
1GGemhide Sliver+1
1GManaweft Sliver+1
Land ramp4
1Wayfarer's Bauble+5
1GFarseek+5
2GCultivate+5
2GHarrow+3
Other acceleration3
3Herald's Horn+2
6Thrumming Hivepool+2
7Morophon, the Boundless+6
Draw engines5
3Herald's Horn+3
3UUKindred Discovery+6
4USynapse Sliver+5
5Vanquisher's Banner+3
4UUTitan of Littjara+5
Cantrips & burst draw2
UBrainstorm+6
3UDistant Melody+1
Recursion2
WUBRGSliver Gravemother+2
WWBBBGGEerie Ultimatum+1
Value engines1
2GRealmwalker+5
Spot removal3
1GWHarmonic Sliver+2
1WBNecrotic Sliver+1
5WConstricting Sliver+2
Stax & hate1
1UDiffusion Sliver+6
Protection2
WUCrystalline Sliver+1
WUBRGSliver Hivelord+1
Mana Acceleration (18 sources)+8ⓘ
Fetchlands8
Sheltering Landscape+8
Shattered Landscape+8
Bountiful Landscape+8
Deceptive Landscape+8
Foreboding Landscape+8
Perilous Landscape+8
Twisted Landscape+8
Ash Barrens+7
Dual & shock lands2
Rejuvenating Springs+5
Shivan Reef+4
Premium utility lands4
Path of Ancestry+6
Command Tower+5
Reflecting Pool+4
Exotic Orchard+4
Utility lands8
Sliver Hive+2
Canopy Vista+2
Cinder Glade+2
Prairie Stream+2
Secluded Courtyard+2
Sunken Hollow+2
Unclaimed Territory+2
Overflowing Basin+2
Taplands3
Frontier Bivouac+2
Opulent Palace+2
Sandsteppe Citadel+2
Basic lands5
Swamp+1
Forest+4
Island+2
Mountain+2
Plains+2
Combat Damage Synergy: token swarm strategy, 2 haste enablers, 2 evasion enablers, aristocrats engine, 3 damage multipliers+25ⓘ
Commander Synergy (2 groups)+11ⓘ
Win conditions1
5Vanquisher's Banner+2
Combat threats8
UGalerider Sliver+1
RStriking Sliver+1
1GPredatory Sliver+5
1WSinew Sliver+1
2RSpiteful Sliver+1
3WBonescythe Sliver+1
3UShifting Sliver+1
6Thrumming Hivepool+2
Sacrifice outlets1
1WBNecrotic Sliver+1
Token generators2
3BLazotep Sliver+4
4GBrood Sliver+4
Reanimation2
WUBRGSliver Gravemother+2
WWBBBGGEerie Ultimatum+1

Bracket

2
Bracket 2Core
Unoptimized but functional. Clear game plan without maximum efficiency.
Breakdown
Learn more →
✓
Power level 4.2 → Bracket 2
Mana base93Speed81Threats66

1.2 above Bracket 1 ceiling (3)

0.3 below Bracket 3 threshold (4.5)

✕Game changers — none
✕Mass land denial — none
✕2-card combo — none
✕Extra turns — none

Themes4 total

Go-Wide / Weenies17 cards

17 low-cost creatures. Swarm the board and pump for lethal attacks.

Birds of Paradise,Muscle Sliver,Predatory Sliver,Cloudshredder Sliver,Galerider Sliver
Aggro11 cards

11 aggressive cards. Fast creatures and combat tricks aim to close out games quickly.

Predatory Sliver,Bonescythe Sliver,Brood Sliver,Blur Sliver,Cloudshredder Sliver
Stompy / Big Mana11 cards

11 high-impact creatures. Ramp into massive threats that dominate the board.

Battering Sliver,Fury Sliver,Brood Sliver,Titan of Littjara,Constricting Sliver

Combos0 total

No combos detected

This deck wins through combat, value engines, or synergies rather than infinite combos. Checked against Commander Spellbook's database of 80,000+ documented combo variants.