Prototype Portal
Dross Scorpion
Altar of Dementia
Su-Chi Cave Guard

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
8 available

   Steps

How does this combo work?
1
Activate Prototype Portal by paying 8 and tapping it, creating a token copy of Su-Chi Cave Guard.
2
Activate Altar of Dementia by sacrificing Su-Chi Cave Guard.
3
When Su-Chi Cave Guard dies, Su-Chi Cave Guard and Dross Scorpion trigger.
4
Resolve the Su-Chi Cave Guard trigger, adding eight .
5
Resolve the Dross Scorpion trigger, untapping Prototype Portal.
6
Resolve the Altar of Dementia ability, milling target player a number of cards equal to the sacrificed creature's power.
7
Repeat.

   Results

What do I get from this combo?
Infinite LTB
Infinite ETB
Infinite sacrifice triggers
Infinite death triggers
Infinite mill
Infinite self-mill
Arcum Dagsson
0.06% of 1594 decks 1 decks
The Master, Transcendent
0.03% of 3489 decks 1 decks
Creatures
Academy Manufactor
100% of 2 decks +96% synergy
Silver Myr
100% of 2 decks +97% synergy
Necron Deathmark
100% of 1 decks +99% synergy
Silas Renn, Seeker Adept
100% of 1 decks +100% synergy
Baleful Strix
100% of 1 decks +87% synergy
Imotekh the Stormlord
100% of 1 decks +100% synergy
Iridescent Drake
50% of 2 decks +50% synergy
Phyrexian Walker
50% of 2 decks +49% synergy
Memnite
50% of 2 decks +49% synergy
Shield Sphere
50% of 2 decks +50% synergy
Myr Retriever
50% of 2 decks +48% synergy
Metalworker
50% of 2 decks +50% synergy
Meloku the Clouded Mirror
50% of 2 decks +49% synergy
Specimen Collector
50% of 2 decks +50% synergy
Minn, Wily Illusionist
50% of 2 decks +49% synergy
Ornithopter
50% of 2 decks +48% synergy
Combat Courier
50% of 2 decks +50% synergy
Karn, Silver Golem
50% of 2 decks +50% synergy
Cathodion
50% of 2 decks +50% synergy
Phyrexian Metamorph
50% of 2 decks +43% synergy
Coretapper
50% of 2 decks +50% synergy
Jhoira's Familiar
50% of 2 decks +48% synergy
Etherium Sculptor
50% of 2 decks +45% synergy
Canoptek Scarab Swarm
50% of 2 decks +50% synergy
Myr Battlesphere
50% of 2 decks +48% synergy
Thopter Assembly
50% of 2 decks +50% synergy
Foundry Inspector
50% of 2 decks +46% synergy
Solemn Simulacrum
50% of 2 decks +36% synergy
Thought Monitor
50% of 2 decks +47% synergy
Instants
Cyclonic Rift
50% of 2 decks +24% synergy
Dramatic Reversal
50% of 2 decks +45% synergy
Whir of Invention
50% of 2 decks +47% synergy
Chain of Vapor
50% of 2 decks +46% synergy
Cackling Counterpart
50% of 2 decks +49% synergy
An Offer You Can't Refuse
50% of 2 decks +28% synergy
Muddle the Mixture
50% of 2 decks +45% synergy
Sorceries
Transmute Artifact
50% of 2 decks +49% synergy
Fabricate
50% of 2 decks +44% synergy
Quasiduplicate
50% of 2 decks +49% synergy
Utility Artifacts
Ashnod's Altar
100% of 2 decks +93% synergy
Grinding Station
100% of 2 decks +99% synergy
Sensei's Divining Top
100% of 2 decks +95% synergy
Myr Turbine
100% of 2 decks +100% synergy
Retrofitter Foundry
100% of 2 decks +100% synergy
Clock of Omens
100% of 2 decks +99% synergy
Rings of Brighthearth
100% of 2 decks +99% synergy
Nuka-Cola Vending Machine
100% of 2 decks +99% synergy
Krark-Clan Ironworks
100% of 2 decks +99% synergy
Lotus Petal
100% of 2 decks +93% synergy
Dimir Cluestone
100% of 1 decks +99% synergy
Golgari Cluestone
100% of 1 decks +100% synergy
Simic Cluestone
100% of 1 decks +100% synergy
Time Sieve
100% of 1 decks +97% synergy
Skeleton Shard
100% of 1 decks +100% synergy
Bootleggers' Stash
100% of 1 decks +98% synergy
Wishclaw Talisman
100% of 1 decks +95% synergy
Flayer Husk
50% of 2 decks +50% synergy
Chimeric Coils
50% of 2 decks +50% synergy
Lantern of Insight
50% of 2 decks +50% synergy
Salvaging Station
50% of 2 decks +50% synergy
Summoning Station
50% of 2 decks +50% synergy
Mycosynth Lattice
50% of 2 decks +49% synergy
Citanul Flute
50% of 2 decks +50% synergy
Ugin's Nexus
50% of 2 decks +50% synergy
Phyrexian Altar
50% of 2 decks +46% synergy
Clown Car
50% of 2 decks +50% synergy
Sword of the Meek
50% of 2 decks +50% synergy
Mind Stone
50% of 2 decks +34% synergy
Encroaching Mycosynth
50% of 2 decks +49% synergy
Dino DNA
50% of 2 decks +50% synergy
Esoteric Duplicator
50% of 2 decks +49% synergy
Isochron Scepter
50% of 2 decks +48% synergy
Blasting Station
50% of 2 decks +49% synergy
Folio of Fancies
50% of 2 decks +49% synergy
Tormod's Crypt
50% of 2 decks +49% synergy
Nim Deathmantle
50% of 2 decks +49% synergy
Codex Shredder
50% of 2 decks +49% synergy
Voltaic Key
50% of 2 decks +49% synergy
Ring of Three Wishes
50% of 2 decks +50% synergy
Altar of the Brood
50% of 2 decks +49% synergy
Magistrate's Scepter
50% of 2 decks +50% synergy
Sands of Delirium
50% of 2 decks +50% synergy
Mind's Eye
50% of 2 decks +49% synergy
Commander's Sphere
50% of 2 decks +36% synergy
Keening Stone
50% of 2 decks +50% synergy
Forsaken Monument
50% of 2 decks +48% synergy
Mystic Forge
50% of 2 decks +47% synergy
Grindstone
50% of 2 decks +50% synergy
Contagion Engine
50% of 2 decks +49% synergy
Enchantments
Psychic Surgery
50% of 2 decks +50% synergy
Rhystic Study
50% of 2 decks +24% synergy
Abduction
50% of 2 decks +50% synergy
March of the Machines
50% of 2 decks +50% synergy
Mystic Remora
50% of 2 decks +33% synergy
Utility Lands
Seat of the Synod
100% of 2 decks +94% synergy
Minamo, School at Water's Edge
100% of 2 decks +96% synergy
Tree of Tales
100% of 1 decks +98% synergy
Vault of Whispers
100% of 1 decks +96% synergy
City of Traitors
50% of 2 decks +49% synergy
Saprazzan Skerry
50% of 2 decks +50% synergy
Academy Ruins
50% of 2 decks +45% synergy
Inventors' Fair
50% of 2 decks +46% synergy
Urza's Saga
50% of 2 decks +43% synergy
Ancient Tomb
50% of 2 decks +40% synergy
Otawara, Soaring City
50% of 2 decks +34% synergy
Crystal Vein
50% of 2 decks +49% synergy
Magosi, the Waterveil
50% of 2 decks +50% synergy
Treasure Vault
50% of 2 decks +48% synergy
Deserted Temple
50% of 2 decks +49% synergy
Nesting Grounds
50% of 2 decks +48% synergy
Darksteel Citadel
50% of 2 decks +46% synergy
Mana Artifacts
Chromatic Orrery
100% of 2 decks +99% synergy
Sol Ring
100% of 2 decks +16% synergy
Dimir Signet
100% of 1 decks +72% synergy
Simic Signet
100% of 1 decks +87% synergy
Golgari Signet
100% of 1 decks +88% synergy
Grim Monolith
50% of 2 decks +48% synergy
Mana Vault
50% of 2 decks +44% synergy
Mox Opal
50% of 2 decks +46% synergy
Liquimetal Torque
50% of 2 decks +47% synergy
Mox Amber
50% of 2 decks +46% synergy
Midnight Clock
50% of 2 decks +45% synergy
Basalt Monolith
50% of 2 decks +47% synergy
Thran Dynamo
50% of 2 decks +45% synergy
Crystal Skull, Isu Spyglass
50% of 2 decks +48% synergy
Arcane Signet
50% of 2 decks -22% synergy
Gilded Lotus
50% of 2 decks +47% synergy
Lands
Polluted Delta
100% of 2 decks +88% synergy
Misty Rainforest
100% of 2 decks +88% synergy
Breeding Pool
100% of 1 decks +60% synergy
Watery Grave
100% of 1 decks +60% synergy
Morphic Pool
100% of 1 decks +74% synergy
Overgrown Tomb
100% of 1 decks +59% synergy
Zagoth Triome
100% of 1 decks +71% synergy
Undergrowth Stadium
100% of 1 decks +75% synergy
Fabled Passage
50% of 2 decks +41% synergy
Grixis Panorama
50% of 2 decks +50% synergy
Prismatic Vista
50% of 2 decks +45% synergy
Gemstone Caverns
50% of 2 decks +45% synergy
Scalding Tarn
50% of 2 decks +39% synergy
Bant Panorama
50% of 2 decks +50% synergy
Esper Panorama
50% of 2 decks +50% synergy
Flooded Strand
50% of 2 decks +39% synergy
Verdant Catacombs
50% of 2 decks +39% synergy