Sifter of Skulls + Eternal Scourge + Planar Void + Ashnod's Altar

Sifter of Skulls
Eternal Scourge
Planar Void
Ashnod's Altar

Requires
Sifter of Skulls must be on the battlefield. Eternal Scourge must be on the battlefield. Planar Void must be on the battlefield. Ashnod's Altar must be on the battlefield.
Steps
  1. Activate Ashnod's Altar by sacrificing Eternal Scourge, adding .
  2. Planar Void and Sifter of Skulls triggers.
  3. Resolve the Planar Void trigger, exiling Eternal Scourge from your graveyard.
  4. Resolve the Sifter of Skulls trigger, creating a 0/1 Eldrazi Spawn creature token.
  5. Activate Ashnod's Altar by sacrificing the Eldrazi Spawn, adding .
  6. Cast Eternal Scourge from exile by paying 3.
  7. Repeat.
Results
Infinite colorless mana. Infinite creature tokens. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers. Infinite storm count.

Umbris, Fear Manifest
0.02% of 5828 decks 1 decks
Prosper, Tome-Bound
0.01% of 13292 decks 1 decks
Creatures
Misery's Shadow
100% of 1 decks +100% synergy
Thing in the Ice
100% of 1 decks +99% synergy
Wharf Infiltrator
100% of 1 decks +99% synergy
Captain N'ghathrod
100% of 1 decks +99% synergy
Forgotten Creation
100% of 1 decks +99% synergy
Urabrask, Heretic Praetor
100% of 1 decks +99% synergy
Zellix, Sanity Flayer
100% of 1 decks +99% synergy
Trophy Mage
100% of 1 decks +98% synergy
Pawn of Ulamog
100% of 2 decks +98% synergy
Kalain, Reclusive Painter
100% of 1 decks +98% synergy
Grazilaxx, Illithid Scholar
100% of 1 decks +98% synergy
Sire of Stagnation
100% of 1 decks +97% synergy
Laelia, the Blade Reforged
100% of 1 decks +97% synergy
Magda, Brazen Outlaw
100% of 1 decks +97% synergy
Wild-Magic Sorcerer
100% of 1 decks +97% synergy
Toxrill, the Corrosive
100% of 1 decks +97% synergy
Spellskite
100% of 1 decks +97% synergy
Xorn
100% of 1 decks +96% synergy
Juri, Master of the Revue
100% of 1 decks +96% synergy
Hellkite Tyrant
100% of 1 decks +96% synergy
Consuming Aberration
100% of 1 decks +96% synergy
Reckless Fireweaver
100% of 1 decks +96% synergy
Ancient Copper Dragon
100% of 1 decks +96% synergy
Birgi, God of Storytelling
100% of 1 decks +94% synergy
Goldspan Dragon
100% of 1 decks +94% synergy
Spark Double
100% of 1 decks +93% synergy
Mayhem Devil
100% of 1 decks +90% synergy
Dockside Extortionist
100% of 1 decks +88% synergy
Phyrexian Revoker
50% of 2 decks +49% synergy
Uchuulon
50% of 2 decks +49% synergy
Nightmare Shepherd
50% of 2 decks +49% synergy
Oblivion Sower
50% of 2 decks +49% synergy
Bloodsoaked Champion
50% of 2 decks +49% synergy
Defiler of Flesh
50% of 2 decks +49% synergy
Falkenrath Noble
50% of 2 decks +48% synergy
Marionette Master
50% of 2 decks +46% synergy
Nadier's Nightblade
50% of 2 decks +46% synergy
Academy Manufactor
50% of 2 decks +46% synergy
Pitiless Plunderer
50% of 2 decks +42% synergy
Braids, Arisen Nightmare
50% of 2 decks +42% synergy
Zulaport Cutthroat
50% of 2 decks +40% synergy
Blood Artist
50% of 2 decks +38% synergy
Instants
Dimir Charm
100% of 1 decks +99% synergy
Stubborn Denial
100% of 1 decks +98% synergy
Resculpt
100% of 1 decks +95% synergy
Reality Shift
100% of 1 decks +91% synergy
Swan Song
100% of 1 decks +84% synergy
An Offer You Can't Refuse
100% of 1 decks +79% synergy
Brainstorm
100% of 1 decks +79% synergy
Dark Ritual
100% of 2 decks +78% synergy
Cyclonic Rift
100% of 1 decks +72% synergy
Baleful Mastery
50% of 2 decks +47% synergy
Malakir Rebirth
50% of 2 decks +42% synergy
Deadly Dispute
50% of 2 decks +39% synergy
Sorceries
Call of the Nightwing
100% of 1 decks +100% synergy
Tasha's Hideous Laughter
100% of 1 decks +99% synergy
Light Up the Stage
100% of 1 decks +97% synergy
Ravenform
100% of 1 decks +97% synergy
Rite of Replication
100% of 1 decks +97% synergy
Irenicus's Vile Duplication
100% of 1 decks +96% synergy
Curse of the Swine
100% of 1 decks +96% synergy
Vandalblast
100% of 1 decks +84% synergy
Jeska's Will
100% of 1 decks +83% synergy
Beseech the Queen
50% of 2 decks +49% synergy
Praetor's Grasp
50% of 2 decks +48% synergy
Profane Tutor
50% of 2 decks +47% synergy
Agadeem's Awakening
50% of 2 decks +46% synergy
Diabolic Tutor
50% of 2 decks +44% synergy
Toxic Deluge
50% of 2 decks +33% synergy
Feed the Swarm
50% of 2 decks +32% synergy
Demonic Tutor
50% of 2 decks +28% synergy
Utility Artifacts
Winged Boots
100% of 1 decks +98% synergy
Wand of Wonder
100% of 1 decks +98% synergy
The Reaver Cleaver
100% of 1 decks +96% synergy
Lightning Greaves
100% of 2 decks +75% synergy
Oracle's Vault
50% of 2 decks +50% synergy
Chaos Wand
50% of 2 decks +49% synergy
Mycosynth Lattice
50% of 2 decks +49% synergy
Treasure Map
50% of 2 decks +49% synergy
Tormod's Crypt
50% of 2 decks +49% synergy
Mimic Vat
50% of 2 decks +49% synergy
Trailblazer's Boots
50% of 2 decks +48% synergy
Altar of Dementia
50% of 2 decks +47% synergy
Whispersilk Cloak
50% of 2 decks +46% synergy
Phyrexian Altar
50% of 2 decks +46% synergy
Idol of Oblivion
50% of 2 decks +46% synergy
Sensei's Divining Top
50% of 2 decks +45% synergy
Bolas's Citadel
50% of 2 decks +41% synergy
Swiftfoot Boots
50% of 2 decks +22% synergy
Enchantments
Ashiok's Erasure
100% of 1 decks +100% synergy
Share the Spoils
100% of 1 decks +99% synergy
Stolen Strategy
100% of 1 decks +99% synergy
The Ruinous Powers
100% of 1 decks +99% synergy
Call of the Ring
100% of 1 decks +96% synergy
Mystic Remora
100% of 1 decks +82% synergy
Cunning Rhetoric
50% of 2 decks +49% synergy
Revel in Riches
50% of 2 decks +47% synergy
Black Market Connections
50% of 2 decks +39% synergy
Phyrexian Arena
50% of 2 decks +35% synergy
Planeswalkers
Ashiok, Wicked Manipulator
100% of 1 decks +100% synergy
Ashiok, Sculptor of Fears
100% of 1 decks +99% synergy
Ashiok, Nightmare Weaver
100% of 1 decks +99% synergy
Ashiok, Nightmare Muse
100% of 1 decks +99% synergy
Ashiok, Dream Render
100% of 1 decks +96% synergy
Liliana Vess
50% of 2 decks +49% synergy
Ugin, the Ineffable
50% of 2 decks +48% synergy
Utility Lands
Smoldering Crater
100% of 1 decks +99% synergy
Shinka, the Bloodsoaked Keep
100% of 1 decks +98% synergy
Command Beacon
100% of 2 decks +95% synergy
Shizo, Death's Storehouse
100% of 2 decks +95% synergy
Bojuka Bog
100% of 2 decks +70% synergy
Polluted Mire
50% of 2 decks +49% synergy
Treasure Vault
50% of 2 decks +47% synergy
Mortuary Mire
50% of 2 decks +45% synergy
Urza's Saga
50% of 2 decks +43% synergy
Rogue's Passage
50% of 2 decks +31% synergy
Reliquary Tower
50% of 2 decks +20% synergy
Mana Artifacts
Staff of Compleation
100% of 1 decks +99% synergy
Dimir Signet
100% of 1 decks +70% synergy
Sol Ring
100% of 2 decks +16% synergy
Mox Tantalite
50% of 2 decks +50% synergy
Lotus Bloom
50% of 2 decks +50% synergy
Sol Talisman
50% of 2 decks +49% synergy
Gilded Lotus
50% of 2 decks +47% synergy
Mox Amber
50% of 2 decks +46% synergy
Mox Opal
50% of 2 decks +46% synergy
Lotus Petal
50% of 2 decks +43% synergy
Commander's Sphere
50% of 2 decks +35% synergy
Arcane Signet
50% of 2 decks -22% synergy
Lands
Sulfurous Mire
100% of 1 decks +98% synergy
Dimir Guildgate
100% of 1 decks +95% synergy
Blightstep Pathway
100% of 1 decks +90% synergy
Tainted Peak
100% of 1 decks +90% synergy
Foreboding Ruins
100% of 1 decks +84% synergy
Choked Estuary
100% of 1 decks +83% synergy
Dimir Aqueduct
100% of 1 decks +83% synergy
Drowned Catacomb
100% of 1 decks +74% synergy
Luxury Suite
100% of 1 decks +74% synergy
Smoldering Marsh
100% of 1 decks +67% synergy
Sunken Hollow
100% of 1 decks +65% synergy
Blood Crypt
100% of 1 decks +61% synergy
Command Tower
100% of 2 decks +26% synergy
Reflecting Pool
50% of 2 decks +45% synergy
Path of Ancestry
50% of 2 decks +29% synergy