The mana base is a notable step in the right direction compared to some of the older precons
To give yourself a real chance of success, your capital needs to be split into two distinct pools: Startup Costs (the money required to open the doors on Day 1) and Working Capital (the emergency runway required to survive while building your customer base)
Summon Planeswalkers from across the Multiverse as they join the fight against Phyrexia

Sliver Swarm Commander (1) Creatures (43) Crystalline Sliver Winged Sliver Clot Sliver Shifting Sliver Blade Sliver Synapse Sliver Brood Sliver Quick Sliver Crypt Sliver Hibernation Sliver Bonesplitter Sliver Firewake Sliver Gemhide Sliver Harmonic Sliver Might Sliver Two-Headed Sliver Necrotic Sliver Sinew Sliver Bonescythe Sliver Blur Sliver Sentinel Sliver Striking Sliver Megantic Sliver Galerider Sliver Syphon Sliver Manaweft Sliver Constricting Sliver Sliver Hivelord Diffusion Sliver Venom Sliver Lavabelly Sliver Hollowhead Sliver Cloudshredder Sliver Spiteful Sliver Cleaving Sliver Realmwalker Rukarumel, Biologist Capricious Sliver Hatchery Sliver Lazotep Sliver Regal Sliver Taunting Sliver Titan of Littjara Instants (1) Sorceries (10) Windfall Decimate Harsh Mercy Nature's Lore Three Visits Farseek Distant Melody Cultivate Cleansing Nova Crippling Fear Enchantments (1) Artifact (7) Sol Ring Fellwar Stone Vanquisher's Banner Herald's Horn Pillar of Origins Icon of Ancestry Arcane Signet Lands (37) Forest x3 Plains x2 Swamp x2 Mountain x2 Island x2 Rocky Tar Pit Mountain Valley Grasslands Flood Plain Jungle Shrine Savage Lands Seaside Citadel Exotic Orchard Command Tower Nomad Outpost Mystic Sanctuary Sandsteppe Citadel Opulent Palace Frontier Bivouac Prairie Stream Sunken Hollow Smoldering Marsh Cinder Glade Canopy Vista Ash Barrens Irrigated Farmland Sheltered Thicket Scattered Groves Path of Ancestry Unclaimed Territory Secluded Courtyard Commander, Theme, and Strategy The deck title says it all

Toss in a haste enabler so that the creatures you cast off the top of your library can tap for mana to keep the engine rolling and youll take turns long enough to rival the storm players
MSC #199 #434 FDN #725 BLC #271 CMM #387 #605 BRR #17 #80 40K #239 DOM #215 Alchemy, Brawl, Commander, Competitive Brawl, Historic, Legacy, Modern, Pioneer, Standard, Timeless, Vintage Pauper