Prototype Portal
Dross Scorpion
Altar of Dementia
Cathodion

  Played with this combo

   Prerequisites

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

   Steps

How does this combo work?
1
Activate Prototype Portal by paying 3 and tapping it, creating a token copy of Cathodion.
2
Activate Altar of Dementia by sacrificing Cathodion.
3
When Cathodion dies, Cathodion and Dross Scorpion trigger.
4
Resolve the Cathodion trigger, adding .
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

  Combo Metadata

9
DECKS
0.00%
OF 8931786 ELIGIBLE DECKS
Rank 29265
MOST PLAYED OF 53664 COMBOS

{ }  Commander Bracket Information

In which Commander Bracket(s) am I allowed to play this combo?
1-2

Exhibition and Core

(no 2-card combos)
Any combos that require three or more cards are allowed
3

Upgraded

(no early game 2-card combos)
Any combos that require 3 or more cards are allowed
4-5

Optimized and CEDH

(all combos are allowed)
All combos are allowed.
Top Commanders
High Synergy Cards
Top Cards
Game Changers
Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Planeswalkers
Utility Lands
Mana Artifacts
Lands
Back to Top
Weatherlight Compleated
0.5%inclusion2 decks415 decks
Teshar, Ancestor's Apostle
0.1%inclusion1 decks1.75K decks
The Master, Transcendent
0.0%inclusion1 decks3.99K decks
Traxos, Scourge of Kroog
0.0%inclusion1 decks2.08K decks
Karn, Silver Golem
0.1%inclusion1 decks1.10K decks
Lulu, Loyal Hollyphant // Clan Crafter
1.6%inclusion1 decks64 decks
Atogatog
0.1%inclusion1 decks1.95K decks
Gran-Gran
0.2%inclusion1 decks575 decks
High Synergy Cards
Krark-Clan Ironworks
78%inclusion7 decks9 decks
Darksteel Citadel
78%inclusion7 decks9 decks
Ashnod's Altar
78%inclusion7 decks9 decks
Myr Moonvessel
67%inclusion6 decks9 decks
Nim Deathmantle
67%inclusion6 decks9 decks
Clock of Omens
67%inclusion6 decks9 decks
Myr Battlesphere
67%inclusion6 decks9 decks
Scrap Trawler
67%inclusion6 decks9 decks
Foundry Inspector
67%inclusion6 decks9 decks
Buried Ruin
67%inclusion6 decks9 decks
Top Cards
Salvaging Station
56%inclusion5 decks9 decks
Su-Chi Cave Guard
56%inclusion5 decks9 decks
Myr Turbine
56%inclusion5 decks9 decks
Workshop Assistant
56%inclusion5 decks9 decks
Blasting Station
56%inclusion5 decks9 decks
Grinding Station
56%inclusion5 decks9 decks
Junk Diver
56%inclusion5 decks9 decks
Myr Retriever
56%inclusion5 decks9 decks
Summoning Station
44%inclusion4 decks9 decks
Deathrender
44%inclusion4 decks9 decks
Game Changers
Cyclonic Rift
25%inclusion1 decks4 decks
Mana Vault
11%inclusion1 decks9 decks
The One Ring
11%inclusion1 decks9 decks
Ancient Tomb
11%inclusion1 decks9 decks
Creatures
Weapons Trainer
100%inclusion1 decks1 decks
Megatog
100%inclusion1 decks1 decks
Sarcatog
100%inclusion1 decks1 decks
Jenny Flint
100%inclusion1 decks1 decks
Atog
100%inclusion1 decks1 decks
Lithatog
100%inclusion1 decks1 decks
Thaumatog
100%inclusion1 decks1 decks
Skittering Precursor
100%inclusion1 decks1 decks
Mazzy, Truesword Paladin
100%inclusion1 decks1 decks
Krenko, Baron of Tin Street
100%inclusion1 decks1 decks
Ragost, Deft Gastronaut
100%inclusion1 decks1 decks
Optimus Prime, Hero
100%inclusion1 decks1 decks
Judith, the Scourge Diva
100%inclusion1 decks1 decks
Cadric, Soul Kindler
100%inclusion1 decks1 decks
Crime Novelist
100%inclusion1 decks1 decks
Chrome Dome
67%inclusion2 decks3 decks
Ethersworn Shieldmage
50%inclusion1 decks2 decks
Psychatog
50%inclusion1 decks2 decks
Ambush Commander
50%inclusion1 decks2 decks
Silas Renn, Seeker Adept
50%inclusion1 decks2 decks
Lonis, Genetics Expert
50%inclusion1 decks2 decks
Elder Owyn Lyons
50%inclusion1 decks2 decks
Imotekh the Stormlord
50%inclusion1 decks2 decks
Necron Deathmark
50%inclusion1 decks2 decks
Unctus, Grand Metatect
50%inclusion2 decks4 decks
Tormod, the Desecrator
50%inclusion1 decks2 decks
Moritte of the Frost
50%inclusion1 decks2 decks
Yedora, Grave Gardener
50%inclusion1 decks2 decks
Mendicant Core, Guidelight
50%inclusion1 decks2 decks
Emry, Lurker of the Loch
50%inclusion2 decks4 decks
Aftermath Analyst
50%inclusion1 decks2 decks
Sanctum Weaver
50%inclusion1 decks2 decks
Etherium Sculptor
50%inclusion2 decks4 decks
Baleful Strix
50%inclusion1 decks2 decks
Jhoira's Familiar
44%inclusion4 decks9 decks
Wurmcoil Engine
44%inclusion4 decks9 decks
Solemn Simulacrum
44%inclusion4 decks9 decks
Trusty Packbeast
33%inclusion1 decks3 decks
Fairgrounds Warden
33%inclusion1 decks3 decks
Auratog
33%inclusion1 decks3 decks
Extruder
33%inclusion3 decks9 decks
Pentavus
33%inclusion3 decks9 decks
Arcbound Reclaimer
33%inclusion3 decks9 decks
Dauntless Bodyguard
33%inclusion1 decks3 decks
Nesting Bot
33%inclusion1 decks3 decks
Market Gnome
33%inclusion1 decks3 decks
Arcbound Ravager
33%inclusion3 decks9 decks
Mycosynth Golem
33%inclusion3 decks9 decks
Leonin Relic-Warder
33%inclusion1 decks3 decks
Transit Mage
33%inclusion1 decks3 decks
Instants
Generous Gift
67%inclusion2 decks3 decks
Double Major
50%inclusion1 decks2 decks
Sink into Stupor
50%inclusion2 decks4 decks
Counterspell
50%inclusion2 decks4 decks
Patrician's Scorn
33%inclusion1 decks3 decks
Second Sunrise
33%inclusion1 decks3 decks
Faith's Reward
33%inclusion1 decks3 decks
Mana Tithe
33%inclusion1 decks3 decks
Swords to Plowshares
33%inclusion1 decks3 decks
Rebuild
25%inclusion1 decks4 decks
Disallow
25%inclusion1 decks4 decks
Whir of Invention
25%inclusion1 decks4 decks
Muddle the Mixture
25%inclusion1 decks4 decks
Dramatic Reversal
25%inclusion1 decks4 decks
Mana Drain
25%inclusion1 decks4 decks
Negate
25%inclusion1 decks4 decks
Warping Wail
22%inclusion2 decks9 decks
Scour from Existence
11%inclusion1 decks9 decks
Eldrazi Confluence
11%inclusion1 decks9 decks
Kozilek's Command
11%inclusion1 decks9 decks
Eldritch Immunity
11%inclusion1 decks9 decks
Null Elemental Blast
11%inclusion1 decks9 decks
Sorceries
Citywide Bust
33%inclusion1 decks3 decks
Open the Vaults
33%inclusion1 decks3 decks
Hour of Revelation
33%inclusion1 decks3 decks
Day of Judgment
33%inclusion1 decks3 decks
Organic Extinction
33%inclusion1 decks3 decks
Reshape
25%inclusion1 decks4 decks
Irenicus's Vile Duplication
25%inclusion1 decks4 decks
Fabricate
25%inclusion1 decks4 decks
All Is Dust
22%inclusion2 decks9 decks
Introduction to Annihilation
11%inclusion1 decks9 decks
Utility Artifacts
Skeleton Shard
50%inclusion1 decks2 decks
Bootleggers' Stash
50%inclusion1 decks2 decks
Time Sieve
50%inclusion1 decks2 decks
Wishclaw Talisman
50%inclusion1 decks2 decks
Cauldron of Souls
44%inclusion4 decks9 decks
Veil of Assimilation
33%inclusion1 decks3 decks
Origin Spellbomb
33%inclusion1 decks3 decks
Basilica Skullbomb
33%inclusion1 decks3 decks
Retrofitter Foundry
33%inclusion3 decks9 decks
Mimic Vat
33%inclusion3 decks9 decks
Semblance Anvil
33%inclusion3 decks9 decks
Mycosynth Lattice
33%inclusion3 decks9 decks
Voltaic Key
33%inclusion3 decks9 decks
Tarrian's Soulcleaver
33%inclusion3 decks9 decks
Forsaken Monument
33%inclusion3 decks9 decks
Cloud Key
33%inclusion3 decks9 decks
Sensei's Divining Top
33%inclusion3 decks9 decks
Esoteric Duplicator
25%inclusion1 decks4 decks
Encroaching Mycosynth
25%inclusion1 decks4 decks
Repurposing Bay
25%inclusion1 decks4 decks
Folio of Fancies
25%inclusion1 decks4 decks
Chimeric Coils
22%inclusion2 decks9 decks
Flayer Husk
22%inclusion2 decks9 decks
Ring of Three Wishes
22%inclusion2 decks9 decks
Ugin's Nexus
22%inclusion2 decks9 decks
Grindstone
22%inclusion2 decks9 decks
Animation Module
22%inclusion2 decks9 decks
Clown Car
22%inclusion2 decks9 decks
Throne of Geth
22%inclusion2 decks9 decks
Mirrorworks
22%inclusion2 decks9 decks
Thornbite Staff
22%inclusion2 decks9 decks
Codex Shredder
22%inclusion2 decks9 decks
Trading Post
22%inclusion2 decks9 decks
Helm of Awakening
22%inclusion2 decks9 decks
Tormod's Crypt
22%inclusion2 decks9 decks
Contagion Engine
22%inclusion2 decks9 decks
Rings of Brighthearth
22%inclusion2 decks9 decks
Nuka-Cola Vending Machine
22%inclusion2 decks9 decks
Staff of Domination
22%inclusion2 decks9 decks
Sculpting Steel
22%inclusion2 decks9 decks
Unwinding Clock
22%inclusion2 decks9 decks
Commander's Plate
22%inclusion2 decks9 decks
Mystic Forge
22%inclusion2 decks9 decks
Radiant Lotus
13%inclusion1 decks8 decks
Chimeric Idol
11%inclusion1 decks9 decks
Galvanic Key
11%inclusion1 decks9 decks
Sands of Delirium
11%inclusion1 decks9 decks
Karn's Sylex
11%inclusion1 decks9 decks
Orochi Hatchery
11%inclusion1 decks9 decks
Keening Stone
11%inclusion1 decks9 decks
Enchantments
Nahiri's Resolve
100%inclusion1 decks1 decks
Mayael's Aria
100%inclusion1 decks1 decks
Enduring Renewal
67%inclusion2 decks3 decks
Raiders' Spoils
50%inclusion1 decks2 decks
Harald Unites the Elves
50%inclusion1 decks2 decks
Nature's Chosen
50%inclusion1 decks2 decks
Instill Energy
50%inclusion1 decks2 decks
Biotransference
50%inclusion1 decks2 decks
Fanatical Devotion
33%inclusion1 decks3 decks
Ossification
33%inclusion1 decks3 decks
Dollmaker's Shop // Porcelain Gallery
33%inclusion1 decks3 decks
Abduction
25%inclusion1 decks4 decks
Fool's Demise
25%inclusion1 decks4 decks
Fortune Teller's Talent
25%inclusion1 decks4 decks
Mirrodin Besieged
25%inclusion1 decks4 decks
Intruder Alarm
25%inclusion1 decks4 decks
Planeswalkers
Domri, Anarch of Bolas
100%inclusion1 decks1 decks
Karn, the Great Creator
33%inclusion3 decks9 decks
Tezzeret the Seeker
25%inclusion1 decks4 decks
Ugin, the Ineffable
22%inclusion2 decks9 decks
Tezzeret, Cruel Captain
17%inclusion1 decks6 decks
Ugin, the Spirit Dragon
11%inclusion1 decks9 decks
Utility Lands
Uthros, Titanic Godcore
67%inclusion2 decks3 decks
Ancient Den
67%inclusion2 decks3 decks
Inventors' Fair
56%inclusion5 decks9 decks
Tree of Tales
50%inclusion1 decks2 decks
Archway of Innovation
50%inclusion2 decks4 decks
Vault of Whispers
50%inclusion1 decks2 decks
Seat of the Synod
50%inclusion2 decks4 decks
Shrine of the Forsaken Gods
44%inclusion4 decks9 decks
Urza's Power Plant
44%inclusion4 decks9 decks
Urza's Mine
44%inclusion4 decks9 decks
Urza's Tower
44%inclusion4 decks9 decks
War Room
44%inclusion4 decks9 decks
Rogue's Passage
44%inclusion4 decks9 decks
Reliquary Tower
44%inclusion4 decks9 decks
Zhalfirin Void
33%inclusion3 decks9 decks
Urza's Workshop
33%inclusion3 decks9 decks
Drifting Meadow
33%inclusion1 decks3 decks
Tomb of the Spirit Dragon
33%inclusion3 decks9 decks
Treasure Vault
33%inclusion3 decks9 decks
Castle Ardenvale
33%inclusion1 decks3 decks
Minas Tirith
33%inclusion1 decks3 decks
Magosi, the Waterveil
25%inclusion1 decks4 decks
Rivendell
25%inclusion1 decks4 decks
Castle Vantress
25%inclusion1 decks4 decks
Minamo, School at Water's Edge
25%inclusion1 decks4 decks
Academy Ruins
25%inclusion1 decks4 decks
Sequestered Stash
22%inclusion2 decks9 decks
Blasted Landscape
22%inclusion2 decks9 decks
Urza's Factory
22%inclusion2 decks9 decks
Labyrinth of Skophos
22%inclusion2 decks9 decks
Mishra's Factory
22%inclusion2 decks9 decks
Fomori Vault
22%inclusion2 decks9 decks
Crystal Vein
22%inclusion2 decks9 decks
Blast Zone
22%inclusion2 decks9 decks
Guildless Commons
22%inclusion2 decks9 decks
Homeward Path
22%inclusion2 decks9 decks
Arcane Lighthouse
22%inclusion2 decks9 decks
Bonders' Enclave
22%inclusion2 decks9 decks
Emergence Zone
22%inclusion2 decks9 decks
Maze of Ith
22%inclusion2 decks9 decks
Karn's Bastion
22%inclusion2 decks9 decks
Secluded Starforge
20%inclusion1 decks5 decks
Blinkmoth Well
11%inclusion1 decks9 decks
Encroaching Wastes
11%inclusion1 decks9 decks
Tower of the Magistrate
11%inclusion1 decks9 decks
Nephalia Academy
11%inclusion1 decks9 decks
Haunted Fengraf
11%inclusion1 decks9 decks
Mystifying Maze
11%inclusion1 decks9 decks
Phyrexia's Core
11%inclusion1 decks9 decks
Ruins of Oran-Rief
11%inclusion1 decks9 decks
Mana Artifacts
Sol Ring
89%inclusion8 decks9 decks
Simic Cluestone
50%inclusion1 decks2 decks
Golgari Cluestone
50%inclusion1 decks2 decks
Dimir Cluestone
50%inclusion1 decks2 decks
Golgari Signet
50%inclusion1 decks2 decks
Simic Signet
50%inclusion1 decks2 decks
Azorius Signet
50%inclusion1 decks2 decks
Dimir Signet
50%inclusion1 decks2 decks
Talisman of Progress
50%inclusion1 decks2 decks
Thran Dynamo
44%inclusion4 decks9 decks
Mind Stone
44%inclusion4 decks9 decks
Thought Vessel
44%inclusion4 decks9 decks
Cargo Ship
33%inclusion1 decks3 decks
Basalt Monolith
33%inclusion3 decks9 decks
Marble Diamond
33%inclusion1 decks3 decks
Everflowing Chalice
33%inclusion3 decks9 decks
Lotus Petal
33%inclusion3 decks9 decks
Crystal Skull, Isu Spyglass
25%inclusion1 decks4 decks
Midnight Clock
25%inclusion1 decks4 decks
Paradise Mantle
22%inclusion2 decks9 decks
Gilded Lotus
22%inclusion2 decks9 decks
Arcane Signet
22%inclusion2 decks9 decks
Flywheel Racer
11%inclusion1 decks9 decks
Prophetic Prism
11%inclusion1 decks9 decks
Vexing Puzzlebox
11%inclusion1 decks9 decks
The Mightstone and Weakstone
11%inclusion1 decks9 decks
Chromatic Star
11%inclusion1 decks9 decks
Dreamstone Hedron
11%inclusion1 decks9 decks
Chromatic Orrery
11%inclusion1 decks9 decks
Springleaf Drum
11%inclusion1 decks9 decks
Relic of Legends
11%inclusion1 decks9 decks
Worn Powerstone
11%inclusion1 decks9 decks
Hedron Archive
11%inclusion1 decks9 decks
Mox Opal
11%inclusion1 decks9 decks
Mox Amber
11%inclusion1 decks9 decks
Commander's Sphere
11%inclusion1 decks9 decks
Fellwar Stone
11%inclusion1 decks9 decks
Lands
Cliffgate
100%inclusion1 decks1 decks
Crystal Quarry
100%inclusion1 decks1 decks
Xander's Lounge
100%inclusion1 decks1 decks
Savai Triome
100%inclusion1 decks1 decks
Ziatora's Proving Ground
100%inclusion1 decks1 decks
Spara's Headquarters
100%inclusion1 decks1 decks
The World Tree
100%inclusion1 decks1 decks
Indatha Triome
100%inclusion1 decks1 decks
Ketria Triome
100%inclusion1 decks1 decks
Steam Vents
100%inclusion1 decks1 decks
Hallowed Fountain
100%inclusion2 decks2 decks
Black Dragon Gate
50%inclusion1 decks2 decks
Manor Gate
50%inclusion1 decks2 decks
Razortide Bridge
50%inclusion1 decks2 decks
Meticulous Archive
50%inclusion1 decks2 decks
Deserted Beach
50%inclusion1 decks2 decks
Morphic Pool
50%inclusion1 decks2 decks
Sea of Clouds
50%inclusion1 decks2 decks
Undergrowth Stadium
50%inclusion1 decks2 decks
Zagoth Triome
50%inclusion1 decks2 decks
Glacial Fortress
50%inclusion1 decks2 decks
Overgrown Tomb
50%inclusion1 decks2 decks
Watery Grave
50%inclusion1 decks2 decks
Breeding Pool
50%inclusion1 decks2 decks
Citadel Gate
33%inclusion1 decks3 decks
Sea Gate
25%inclusion1 decks4 decks
Arid Mesa
22%inclusion2 decks9 decks
Scalding Tarn
22%inclusion2 decks9 decks
Verdant Catacombs
22%inclusion2 decks9 decks
Misty Rainforest
22%inclusion2 decks9 decks
Polluted Delta
22%inclusion2 decks9 decks
Command Tower
22%inclusion2 decks9 decks
Hall of Tagsin
11%inclusion1 decks9 decks
Holdout Settlement
11%inclusion1 decks9 decks
Heap Gate
11%inclusion1 decks9 decks
Scene of the Crime
11%inclusion1 decks9 decks
Survivors' Encampment
11%inclusion1 decks9 decks
Gond Gate
11%inclusion1 decks9 decks
Power Depot
11%inclusion1 decks9 decks
The Mycosynth Gardens
11%inclusion1 decks9 decks
Forbidden Orchard
11%inclusion1 decks9 decks
Plaza of Heroes
11%inclusion1 decks9 decks
Demolition Field
11%inclusion1 decks9 decks
Spire of Industry
11%inclusion1 decks9 decks
Mana Confluence
11%inclusion1 decks9 decks
City of Brass
11%inclusion1 decks9 decks
Fabled Passage
11%inclusion1 decks9 decks
Windswept Heath
11%inclusion1 decks9 decks
Flooded Strand
11%inclusion1 decks9 decks
Myriad Landscape
11%inclusion1 decks9 decks
About UsContactPrivacy PolicyTerms of Service
Space Cow MediaArchidektCardsphereCommander SpellbookFABRECSpellvoid
Space Cow MediaArchidektCommander's Herald
Commander SpellbookFABRECSpellvoid
EDHREC is unofficial Fan Content permitted under the Fan Content Policy. Not approved/endorsed by Wizards. Portions of the materials used are property of Wizards of the Coast. ©Wizards of the Coast LLC.
next@15 test