The deck is a five-color Sliver tribal build. The First Sliver gives every Sliver spell you cast cascade, so each Sliver you cast chains into another free, cheaper nonland card, and the board snowballs quickly. Slivers share their abilities across the whole team, so each new one makes the entire board bigger, evasive, and harder to remove. How it wins: Slivers gain double strike, flying, haste, and large static buffs, then attack in the air for lethal damage, with a Hibernation Sliver loop involving Morophon, Syphon Sliver or Essence Sliver, and Lavabelly Sliver available as an infinite damage and lifegain alternative. Key cards: - Evasion and damage granters: Thrumming Hivepool gives every Sliver double strike and haste while making two Sliver tokens each upkeep, and Cloudshredder Sliver adds flying and haste to turn the team into a fast aerial clock. - Team pumps: Sliver Legion makes every Sliver bigger for each other Sliver on the battlefield, and Muscle Sliver adds a flat boost, so a wide board becomes lethal quickly. - Cost reduction and tribal support: Morophon, the Boundless makes Slivers cheaper to cast and pumps them, while Herald's Horn trims Sliver costs and can find more Slivers from the top of the library. - Sliver generation: Sliver Queen turns spare mana into 1/1 Sliver tokens at will, and Sliver Overlord tutors up the exact Sliver the board needs. - Protection for the team: Sliver Hivelord makes Slivers indestructible and Crystalline Sliver gives them shroud, letting the board survive wipes and spot removal.

The First Sliver decklist

• Arcane Signet
• Chromatic Lantern
• Chrome Mox
• Coat of Arms
• Herald's Horn
• Sol Ring
• Thrumming Hivepool
• Vanquisher's Banner
• Arid Mesa
• Badlands
• Bayou
• Bloodstained Mire
• Breeding Pool
• Cavern of Souls
• Command Tower
• Exotic Orchard
• Flooded Strand
• Forest
• Gaea's Cradle
• Gemstone Caverns
• Island
• Ketria Triome
• Marsh Flats
• Misty Rainforest
• Mountain
• Path of Ancestry
• Plateau
• Polluted Delta
• Reliquary Tower
• Savannah
• Scalding Tarn
• Scrubland
• Secluded Courtyard
• Sliver Hive
• Spectator Seating
• Steam Vents
• Taiga
• Tropical Island
• Tundra
• Unclaimed Territory
• Underground Sea
• Verdant Catacombs
• Volcanic Island
• Windswept Heath
• Wooded Foothills
• Basal Sliver
• Bonescythe Sliver
• Cloudshredder Sliver
• Crypt Sliver
• Crystalline Sliver
• Diffusion Sliver
• Essence Sliver
• Galerider Sliver
• Gemhide Sliver
• Harmonic Sliver
• Heart Sliver
• Hibernation Sliver
• Horned Sliver
• Lavabelly Sliver
• Manaweft Sliver
• Morophon, the Boundless
• Muscle Sliver
• Necrotic Sliver
• Predatory Sliver
• Quick Sliver
• Root Sliver
• Sentinel Sliver
• Shifting Sliver
• Sliver Gravemother
• Sliver Hivelord
• Sliver Legion
• Sliver Overlord
• Sliver Queen
• Spiteful Sliver
• Striking Sliver
• Synapse Sliver
• Syphon Sliver
• Venom Sliver
• Winged Sliver
• Descendants' Path
• Guardian Project
• Kindred Discovery
• Mana Echoes
• Rhystic Study
• Smothering Tithe
• Cyclonic Rift
• Deflecting Swat
• Enlightened Tutor
• Fierce Guardianship
• Heroic Intervention
• Path to Exile
• Swords to Plowshares
• Teferi's Protection
• Vampiric Tutor
• Worldly Tutor
• Demonic Tutor
• Finale of Devastation
• Imperial Seal
• Kindred Dominance