Prosper, Tome-Bound + Ugin, the Ineffable + Eternal Scourge + Planar Void + Altar of Dementia
Prosper, Tome-Bound
Ugin, the Ineffable
Eternal Scourge
Planar Void
Altar of Dementia
Requires
Prosper, Tome-Bound must be on the battlefield.
Ugin, the Ineffable must be on the battlefield.
Eternal Scourge must be on the battlefield.
Planar Void must be on the battlefield.
Altar of Dementia must be on the battlefield.
Mana needed: 
Steps
- Activate Altar of Dementia by sacrificing Eternal Scourge.
- Planar Void triggers, exiling Eternal Scourge from your graveyard.
- Resolve the Altar of Dementia ability, milling target player for an amount equal to Eternal Scourge's power.
- Cast Eternal Scourge for .
- Prosper triggers, creating a Treasure token.
- Resolve Eternal Scourge, allowing it to enter the battlefield.
- Activate the Treasure token by tapping and sacrificing it, adding one mana of any color.
- Repeat.
Results
Infinite colored mana. Infinite ETB. Infinite LTB. Infinite mill. Infinite sacrifice triggers.
Prosper, Tome-Bound
0.01% of 13419 decks
2 decks
Creatures
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Ob Nixilis, Captive Kingpin
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Laelia, the Blade Reforged
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Wild-Magic Sorcerer
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Nadier's Nightblade
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Academy Manufactor
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Crime Novelist
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Goldspan Dragon
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Decadent Dragon
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Xorn
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Marionette Master
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Party Thrasher
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+90% synergy
Reckless Fireweaver
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Birgi, God of Storytelling
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+88% synergy
Marionette Apprentice
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+87% synergy
Mirkwood Bats
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Mayhem Devil
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+76% synergy
Deepfire Elemental
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+50% synergy
Sifter of Skulls
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+49% synergy
Bloodsoaked Champion
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+48% synergy
Squee, the Immortal
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+47% synergy
Urabrask, Heretic Praetor
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+47% synergy
Hellkite Tyrant
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+47% synergy
Pawn of Ulamog
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+47% synergy
Master of Cruelties
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+46% synergy
Ancient Copper Dragon
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+46% synergy
Magda, Brazen Outlaw
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Falkenrath Noble
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+46% synergy
Dire Fleet Daredevil
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Dream Devourer
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Kalain, Reclusive Painter
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Gonti, Lord of Luxury
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Juri, Master of the Revue
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Pitiless Plunderer
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Zulaport Cutthroat
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Etali, Primal Storm
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Grim Hireling
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Dockside Extortionist
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Professional Face-Breaker
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Blood Artist
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Instants
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Malakir Rebirth
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Deadly Dispute
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Bedevil
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Dark Ritual
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Terminate
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+8% synergy
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Sorceries
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+96% synergy
Light Up the Stage
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Jeska's Will
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Vandalblast
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Rakdos's Return
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+49% synergy
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Profane Tutor
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Praetor's Grasp
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Agadeem's Awakening
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Ignite the Future
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Diabolic Tutor
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+43% synergy
Demonic Tutor
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Utility Artifacts
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Planar Gate
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Unlicensed Hearse
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Mycosynth Lattice
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Treasure Map
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Mimic Vat
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Enchantments
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Heartless Summoning
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Stolen Strategy
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Utility Lands
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Mana Artifacts
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Lands
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Blightstep Pathway
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Exotic Orchard
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