Lathril is a Golgari Elf tribal deck that floods the board with cheap mana Elves and token makers. It turns that wide board into huge bursts of mana, a cascade of creature spells and card draw, and finally either Lathril's ten-Elf drain or a lethal overrun alpha strike. Elf-count mana producers and "cast from the top" effects keep the creature chain going. Untap tricks and anthem lords let a modest board both fuel Lathril's tap ability and swing for big damage, while Lathril's menace hits turn into extra Elf Warrior tokens. How it wins: The deck builds a wide Elf board and either taps ten untapped Elves with Lathril to drain each opponent for 10 (repeatably when untapped), or pumps the whole team with trample and haste through effects like Craterhoof Behemoth, Ezuri, or an X-10 Finale for a single lethal attack. Key roles: - Elf mana engine: One-drop mana Elves grow into producers that scale with the number of Elves or creatures, so the deck can cast several spells a turn and pay big X costs and activated abilities (Priest of Titania, Elvish Archdruid, Circle of Dreams Druid). - Go-wide token and Elf density: Token makers and Lathril's combat-damage triggers add bodies, which raises the Elf count for the drain, the mana Elves and the overrun payoffs. Doubling Season doubles every token batch (Elvish Warmaster, Imperious Perfect, Doubling Season). - Creature chain card advantage: Cast triggers, enter triggers and play-from-the-top effects turn every cheap Elf into another card, while Skullclamp converts tokens and X/1s into fuel (Beast Whisperer, Elven Chorus, Skullclamp). - Untap and tap-cost manipulation: Untappers and tap-ability enablers let Lathril activate more than once, double up on mana Elves, and make tapping Elves for Lathril's cost nearly free. Seedborn Muse can do this every opponent's turn, and Tyvar lets fresh Elves be tapped right away (Dionus, Elvish Archdruid, Wirewood Symbiote, Seedborn Muse). - Tutors and toolbox: Creature tutors and Natural Order fetch whichever piece the turn needs, from the next engine creature to the finisher (Chord of Calling, Finale of Devastation, Natural Order). - Anthems and overrun finishers: Lords and mass pumps make a board of 1/1s lethal, with trample, evasion and indestructibility to push the damage through. Life-loss enter triggers that count Elves add reach (Craterhoof Behemoth, Ezuri, Renegade Leader, Shaman of the Pack).

Lathril, Blade of the Elves decklist

• Allosaurus Shepherd
• Arbor Elf
• Asceticism
• Ashaya, Soul of the Wild
• Assassin's Trophy
• Beast Whisperer
• Beastmaster Ascension
• Blooming Marsh
• Boseiju, Who Endures
• Castle Locthwain
• Cavern of Souls
• Chord of Calling
• Circle of Dreams Druid
• City of Brass
• Command Tower
• Craterhoof Behemoth
• Cryptolith Rite
• Deathcap Glade
• Deathrite Shaman
• Dionus, Elvish Archdruid
• Doubling Season
• Eladamri, Korvecdal
• Eldrazi Monument
• Elven Chorus
• Elves of Deep Shadow
• Elvish Archdruid
• Elvish Champion
• Elvish Mystic
• Elvish Warmaster
• Endurance
• Ezuri, Renegade Leader
• Finale of Devastation
• Force of Vigor
• 7× Forest
• Fyndhorn Elves
• Genesis Wave
• Gilt-Leaf Palace
• Growing Rites of Itlimoc
• Guardian Project
• Hatred
• Heritage Druid
• Heroic Intervention
• Imperious Perfect
• Jaheira, Friend of the Forest
• Leaf-Crowned Visionary
• Lightning Greaves
• Llanowar Elves
• Llanowar Wastes
• Mana Confluence
• Marsh Flats
• Marwyn, the Nurturer
• Misty Rainforest
• Natural Order
• Nissa, Ascended Animist
• Nurturing Peatland
• Nykthos, Shrine to Nyx
• Overgrown Tomb
• Priest of Titania
• Prismatic Vista
• Quirion Ranger
• Realmwalker
• Reclamation Sage
• Rogue's Passage
• Secluded Courtyard
• Seedborn Muse
• Shaman of the Pack
• Skemfar Shadowsage
• Skullclamp
• Sol Ring
• Staff of Domination
• 3× Swamp
• Sword of the Paruns
• Sylvan Library
• Takenuma, Abandoned Mire
• Tear Asunder
• The Great Henge
• Torment of Hailfire
• Triumph of the Hordes
• Tyvar, Jubilant Brawler
• Umbral Mantle
• Unclaimed Territory
• Undergrowth Stadium
• Vampiric Tutor
• Veil of Summer
• Verdant Catacombs
• Wirewood Channeler
• Wirewood Lodge
• Wirewood Symbiote
• Woodland Cemetery
• Worldly Tutor
• Yavimaya, Cradle of Growth