This is a graveyard-fueled elf combo deck. Thranduil and other ability-copiers (Necrotic Ooze, Marvin, Hazel's Brewmaster) borrow the activated abilities of elves put in the graveyard by entomb effects, self-mill and discard outlets. Those borrowed abilities pair with mana elves, untappers and haste enablers into infinite mana and infinite activations. A dense suite of tutors, creature-cheating spells and reanimation assembles the pieces quickly, while elf tribal mana producers ramp hard enough to cast everything in one turn. How it wins: The deck assembles an untap loop, such as Devoted Druid's untap ability with a +1/+1 counter source or Dramatic Reversal with mana rocks, to generate infinite mana or infinite activations, then converts that into lethal damage through Walking Ballista, a massive Finale of Devastation, or infinite pump. Key roles: - Ability copiers: Thranduil, the Elvenking, Necrotic Ooze and Hazel's Brewmaster gain the activated abilities of elves sitting in the graveyard, and Marvin copies creatures on the battlefield. This turns one creature into a combo piece without exposing the real cards to removal. (Necrotic Ooze, Marvin, Murderous Mimic, Hazel's Brewmaster) - Stocking the graveyard: Entomb effects, self-mill and discard outlets put key elves like Devoted Druid, Seeker of Skybreak and Quirion Ranger in the yard for the copiers to use. They also power up Deathbloom Ritualist. (Buried Alive, Hermit Druid, Unmarked Grave) - Untap engines: Self-untappers, creature untappers, haste enablers and counter-placers create repeatable or infinite loops of mana and activations. Dionus and Immaculate Magistrate offset the -1/-1 counters on Devoted Druid. (Devoted Druid, Dramatic Reversal, Thousand-Year Elixir) - Elf mana explosion: Elves that scale with the elf or creature count, plus rituals and rocks, produce huge mana quickly. This fuels X spells and expensive activations, and pays for repeated untap loops like Basalt Monolith with Dramatic Reversal. (Priest of Titania, Elvish Archdruid, Circle of Dreams Druid) - Tutors and creature cheating: Creature tutors, sacrifice-based searches and put-onto-battlefield spells find whichever piece is missing. Reanimation spells return elves that were deliberately binned. (Finale of Devastation, Chord of Calling, Reanimate) - Finishers and pump: Infinite mana or activations become damage through a counter-pinging construct, mass pump with haste, or repeated single-target pumps. (Walking Ballista, Timberwatch Elf, Umbral Mantle)

Thranduil, the Elvenking decklist

• An Offer You Can't Refuse
• Arbor Elf
• Arcane Denial
• Arcane Signet
• Assassin's Trophy
• Basalt Monolith
• Beast Within
• Birds of Paradise
• Bojuka Bog
• Breeding Pool
• Buried Alive
• Chord of Calling
• Circle of Dreams Druid
• Command Tower
• Culling Ritual
• Cyclonic Rift
• Dark Ritual
• Deathbloom Ritualist
• Deathcap Glade
• Deepwood Denizen
• Devoted Druid
• Diabolic Intent
• Dina's Guidance
• Dramatic Reversal
• Dread Return
• Dreamroot Cascade
• Eclipsed Realms
• Eldritch Evolution
• Elvish Archdruid
• Elvish Harbinger
• Elvish Mystic
• Exotic Orchard
• Farseek
• Fauna Shaman
• Finale of Devastation
• Formidable Speaker
• Frantic Search
• Freed from the Real
• From the Catacombs
• Fyndhorn Elves
• Genesis Wave
• Grisly Salvage
• Hazel's Brewmaster
• Hermit Druid
• Heroic Intervention
• Hinterland Harbor
• Immaculate Magistrate
• Imprisoned in the Moon
• Incubation Druid
• Iron-Shield Elf
• Jarad's Orders
• Llanowar Wastes
• Marvin, Murderous Mimic
• Marwyn, the Nurturer
• Mesmeric Orb
• Minamo, School at Water's Edge
• Misty Rainforest
• Mystic Remora
• Nature's Claim
• Nature's Lore
• Nature's Rhythm
• Necrotic Ooze
• Overgrown Tomb
• Priest of Titania
• Prime Speaker Vannifar
• Quirion Ranger
• Reanimate
• Rejuvenating Springs
• Reliquary Tower
• Secluded Courtyard
• Seeker of Skybreak
• Selvala, Heart of the Wilds
• Shipwreck Marsh
• Sol Ring
• Staff of Domination
• Swamp
• Talisman of Curiosity
• Talisman of Resilience
• The One Ring
• Thousand-Year Elixir
• Timberwatch Elf
• Tyvar, Jubilant Brawler
• Umbral Mantle
• Underground River
• Undergrowth Stadium
• Unmarked Grave
• Urborg Elf
• Vampiric Tutor
• Veil of Summer
• Victimize
• Walking Ballista
• Wastewood Verge
• Watery Grave
• Windswept Heath
• Wirewood Channeler
• Wirewood Lodge
• Woodland Cemetery
• Yavimaya Coast
• Zagoth Triome