Prototype Portal
Dross Scorpion
Grinding Station
Cathodion

   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
When the token Cathodion enters, Grinding Station triggers, untapping itself.
3
Activate Grinding Station by sacrificing Cathodion and tapping it.
4
When Cathodion dies, Cathodion and Dross Scorpion trigger.
5
Resolve the Cathodion trigger, adding .
6
Resolve the Dross Scorpion trigger, untapping Prototype Portal.
7
Resolve the Grinding Station ability, causing target player to mill three cards.
8
Repeat.

   Results

What do I get from this combo?
Infinite LTB
Infinite ETB
Infinite sacrifice triggers
Infinite death triggers
Infinite mill
Infinite self-mill
Ashnod the Uncaring
0.1%inclusion3 decks2.79K decks
Weatherlight Compleated
0.7%inclusion2 decks289 decks
Ragost, Deft Gastronaut
0.0%inclusion2 decks11.2K decks
Marvin, Murderous Mimic
0.1%inclusion1 decks1.55K decks
Osgir, the Reconstructor
0.0%inclusion1 decks4.98K decks
Tawnos, Urza's Apprentice
0.3%inclusion1 decks354 decks
Gandalf the White
0.0%inclusion1 decks2.65K decks
Teshar, Ancestor's Apostle
0.1%inclusion1 decks1.68K decks
Oswald Fiddlebender
0.0%inclusion1 decks2.09K decks
Sharuum the Hegemon
0.0%inclusion1 decks2.78K decks
Traxos, Scourge of Kroog
0.1%inclusion1 decks1.99K decks
Karn, Silver Golem
0.1%inclusion1 decks1.06K decks
Liberator, Urza's Battlethopter
0.0%inclusion1 decks2.70K decks
The Master, Transcendent
0.0%inclusion1 decks4.49K decks
Graaz, Unstoppable Juggernaut
0.0%inclusion1 decks3.73K decks
New Cards
Phoenix Fleet Airship
50%inclusion1 decks2 decks
49%synergy
Redirect Lightning
20%inclusion1 decks5 decks
15%synergy
Bender's Waterskin
17%inclusion1 decks6 decks
15%synergy
High Synergy Cards
Great Furnace
100%inclusion7 decks7 decks
94%synergy
Clock of Omens
84%inclusion16 decks19 decks
83%synergy
Weapons Manufacturing
83%inclusion5 decks6 decks
82%synergy
Cranial Plating
80%inclusion4 decks5 decks
78%synergy
Disciple of the Vault
80%inclusion4 decks5 decks
78%synergy
Etherium Sculptor
83%inclusion5 decks6 decks
78%synergy
Seat of the Synod
83%inclusion5 decks6 decks
77%synergy
Vault of Whispers
80%inclusion4 decks5 decks
76%synergy
Myr Retriever
74%inclusion14 decks19 decks
72%synergy
Darksteel Citadel
74%inclusion14 decks19 decks
70%synergy
Top Cards
Junk Diver
68%inclusion13 decks19 decks
68%synergy
Krark-Clan Ironworks
68%inclusion13 decks19 decks
67%synergy
Myr Battlesphere
68%inclusion13 decks19 decks
67%synergy
Repurposing Bay
67%inclusion4 decks6 decks
66%synergy
Weftstalker Ardent
67%inclusion4 decks6 decks
64%synergy
Emry, Lurker of the Loch
67%inclusion4 decks6 decks
62%synergy
Scrap Trawler
58%inclusion11 decks19 decks
56%synergy
Sculpting Steel
58%inclusion11 decks19 decks
56%synergy
Oswald Fiddlebender
57%inclusion4 decks7 decks
56%synergy
Path to Exile
57%inclusion4 decks7 decks
10%synergy
Game Changers
The One Ring
26%inclusion5 decks19 decks
18%synergy
Mana Vault
21%inclusion4 decks19 decks
15%synergy
Creatures
Mechan Assembler
100%inclusion3 decks3 decks
100%synergy
Susurian Voidborn
100%inclusion3 decks3 decks
99%synergy
Umbral Collar Zealot
100%inclusion3 decks3 decks
97%synergy
Pinnacle Emissary
75%inclusion3 decks4 decks
73%synergy
Marionette Master
60%inclusion3 decks5 decks
57%synergy
Foundry Inspector
53%inclusion10 decks19 decks
48%synergy
Broodstar
50%inclusion3 decks6 decks
50%synergy
Thought Monitor
50%inclusion3 decks6 decks
46%synergy
Krark-Clan Grunt
43%inclusion3 decks7 decks
43%synergy
Megatog
43%inclusion3 decks7 decks
43%synergy
Atog
43%inclusion3 decks7 decks
43%synergy
Daretti, Rocketeer Engineer
43%inclusion3 decks7 decks
43%synergy
Dauntless Scrapbot
43%inclusion3 decks7 decks
42%synergy
Gold Myr
43%inclusion3 decks7 decks
40%synergy
Hellkite Tyrant
43%inclusion3 decks7 decks
39%synergy
Reckless Fireweaver
43%inclusion3 decks7 decks
39%synergy
Mondrak, Glory Dominus
43%inclusion3 decks7 decks
36%synergy
Grand Abolisher
43%inclusion3 decks7 decks
34%synergy
Pentavus
42%inclusion8 decks19 decks
42%synergy
Workshop Assistant
42%inclusion8 decks19 decks
42%synergy
Wurmcoil Engine
37%inclusion7 decks19 decks
35%synergy
Myr Moonvessel
32%inclusion6 decks19 decks
31%synergy
Mycosynth Golem
32%inclusion6 decks19 decks
31%synergy
Walking Ballista
32%inclusion6 decks19 decks
29%synergy
Phyrexian Triniform
26%inclusion5 decks19 decks
26%synergy
Threefold Thunderhulk
26%inclusion5 decks19 decks
25%synergy
Jhoira's Familiar
26%inclusion5 decks19 decks
25%synergy
Glaring Fleshraker
25%inclusion4 decks16 decks
24%synergy
Su-Chi
21%inclusion4 decks19 decks
21%synergy
Cogwork Assembler
21%inclusion4 decks19 decks
21%synergy
Battered Golem
21%inclusion4 decks19 decks
21%synergy
Triplicate Titan
21%inclusion4 decks19 decks
20%synergy
Burnished Hart
21%inclusion4 decks19 decks
18%synergy
Academy Manufactor
21%inclusion4 decks19 decks
17%synergy
Solemn Simulacrum
21%inclusion4 decks19 decks
8%synergy
Thopter Squadron
16%inclusion3 decks19 decks
16%synergy
Precursor Golem
16%inclusion3 decks19 decks
16%synergy
Su-Chi Cave Guard
16%inclusion3 decks19 decks
16%synergy
Arcbound Reclaimer
16%inclusion3 decks19 decks
16%synergy
Coretapper
16%inclusion3 decks19 decks
16%synergy
Metalworker
16%inclusion3 decks19 decks
15%synergy
Arcbound Ravager
16%inclusion3 decks19 decks
15%synergy
Syr Ginger, the Meal Ender
16%inclusion3 decks19 decks
15%synergy
Shimmer Myr
16%inclusion3 decks19 decks
15%synergy
Ornithopter
16%inclusion3 decks19 decks
14%synergy
Instants
Divert Disaster
100%inclusion3 decks3 decks
99%synergy
Scour for Scrap
100%inclusion3 decks3 decks
98%synergy
Swords to Plowshares
57%inclusion4 decks7 decks
-4%synergy
Dispatch
43%inclusion3 decks7 decks
37%synergy
Warping Wail
21%inclusion4 decks19 decks
20%synergy
Sorceries
Scrounge for Eternity
100%inclusion3 decks3 decks
100%synergy
Farewell
43%inclusion3 decks7 decks
30%synergy
All Is Dust
21%inclusion4 decks19 decks
19%synergy
Utility Artifacts
Dubious Delicacy
100%inclusion3 decks3 decks
100%synergy
Cryogen Relic
75%inclusion3 decks4 decks
74%synergy
Necrogen Spellbomb
60%inclusion3 decks5 decks
60%synergy
Memorial Vault
60%inclusion3 decks5 decks
60%synergy
Ashnod's Altar
53%inclusion10 decks19 decks
46%synergy
Melded Moxite
50%inclusion3 decks6 decks
50%synergy
Aether Spellbomb
50%inclusion3 decks6 decks
49%synergy
Blasting Station
47%inclusion9 decks19 decks
47%synergy
Cloud Key
47%inclusion9 decks19 decks
45%synergy
Unwinding Clock
47%inclusion9 decks19 decks
45%synergy
Mystic Forge
47%inclusion9 decks19 decks
44%synergy
Pyrite Spellbomb
43%inclusion3 decks7 decks
43%synergy
Nim Deathmantle
42%inclusion8 decks19 decks
42%synergy
Trading Post
42%inclusion8 decks19 decks
41%synergy
Salvaging Station
37%inclusion7 decks19 decks
37%synergy
Summoning Station
37%inclusion7 decks19 decks
37%synergy
Mirrorworks
37%inclusion7 decks19 decks
36%synergy
Mimic Vat
37%inclusion7 decks19 decks
36%synergy
Voltaic Key
37%inclusion7 decks19 decks
36%synergy
Semblance Anvil
32%inclusion6 decks19 decks
31%synergy
Mycosynth Lattice
32%inclusion6 decks19 decks
31%synergy
Ichor Wellspring
32%inclusion6 decks19 decks
30%synergy
Flayer Husk
26%inclusion5 decks19 decks
26%synergy
Myr Turbine
26%inclusion5 decks19 decks
26%synergy
Darksteel Forge
26%inclusion5 decks19 decks
25%synergy
Manifold Key
26%inclusion5 decks19 decks
25%synergy
Staff of Domination
26%inclusion5 decks19 decks
25%synergy
Altar of Dementia
26%inclusion5 decks19 decks
24%synergy
Sensei's Divining Top
26%inclusion5 decks19 decks
22%synergy
Lightning Greaves
26%inclusion5 decks19 decks
1%synergy
Swiftfoot Boots
26%inclusion5 decks19 decks
-1%synergy
Ravenous Amulet
21%inclusion3 decks14 decks
21%synergy
Deathrender
21%inclusion4 decks19 decks
21%synergy
Ugin's Nexus
21%inclusion4 decks19 decks
21%synergy
Magistrate's Scepter
21%inclusion4 decks19 decks
21%synergy
Mindslaver
21%inclusion4 decks19 decks
21%synergy
Animation Module
21%inclusion4 decks19 decks
21%synergy
Welding Jar
21%inclusion4 decks19 decks
21%synergy
Nuka-Cola Vending Machine
21%inclusion4 decks19 decks
20%synergy
Rings of Brighthearth
21%inclusion4 decks19 decks
20%synergy
Forsaken Monument
21%inclusion4 decks19 decks
19%synergy
Expedition Map
21%inclusion4 decks19 decks
18%synergy
Transmutation Font
18%inclusion3 decks17 decks
17%synergy
Conjurer's Bauble
16%inclusion3 decks19 decks
15%synergy
Servo Schematic
16%inclusion3 decks19 decks
15%synergy
Retrofitter Foundry
16%inclusion3 decks19 decks
15%synergy
Throne of Geth
16%inclusion3 decks19 decks
15%synergy
Lembas
16%inclusion3 decks19 decks
15%synergy
Mind's Eye
16%inclusion3 decks19 decks
15%synergy
Blade of the Bloodchief
16%inclusion3 decks19 decks
15%synergy
Enchantments
Thopter Spy Network
50%inclusion3 decks6 decks
47%synergy
Planeswalkers
Ugin, the Ineffable
26%inclusion5 decks19 decks
25%synergy
Karn, the Great Creator
16%inclusion3 decks19 decks
15%synergy
Utility Lands
Susur Secundi, Void Altar
100%inclusion3 decks3 decks
97%synergy
Secluded Starforge
67%inclusion4 decks6 decks
66%synergy
Ancient Den
57%inclusion4 decks7 decks
52%synergy
Kavaron, Memorial World
50%inclusion3 decks6 decks
49%synergy
Inventors' Fair
47%inclusion9 decks19 decks
44%synergy
Buried Ruin
47%inclusion9 decks19 decks
43%synergy
Shrine of the Forsaken Gods
32%inclusion6 decks19 decks
30%synergy
Urza's Power Plant
32%inclusion6 decks19 decks
30%synergy
Urza's Mine
32%inclusion6 decks19 decks
30%synergy
Urza's Tower
32%inclusion6 decks19 decks
30%synergy
Treasure Vault
32%inclusion6 decks19 decks
29%synergy
War Room
32%inclusion6 decks19 decks
26%synergy
Zhalfirin Void
26%inclusion5 decks19 decks
26%synergy
Blast Zone
26%inclusion5 decks19 decks
25%synergy
Rogue's Passage
26%inclusion5 decks19 decks
6%synergy
Reliquary Tower
26%inclusion5 decks19 decks
-4%synergy
Crystal Vein
21%inclusion4 decks19 decks
20%synergy
Urza's Saga
21%inclusion4 decks19 decks
14%synergy
Blasted Landscape
16%inclusion3 decks19 decks
15%synergy
Mishra's Factory
16%inclusion3 decks19 decks
15%synergy
Urza's Workshop
16%inclusion3 decks19 decks
15%synergy
Guildless Commons
16%inclusion3 decks19 decks
14%synergy
Wasteland
16%inclusion3 decks19 decks
14%synergy
Homeward Path
16%inclusion3 decks19 decks
14%synergy
Emergence Zone
16%inclusion3 decks19 decks
13%synergy
Strip Mine
16%inclusion3 decks19 decks
13%synergy
Mana Artifacts
Sol Ring
74%inclusion14 decks19 decks
-10%synergy
Gilded Lotus
47%inclusion9 decks19 decks
44%synergy
Solar Array
43%inclusion3 decks7 decks
42%synergy
Basalt Monolith
42%inclusion8 decks19 decks
40%synergy
Dreamstone Hedron
32%inclusion6 decks19 decks
31%synergy
Hedron Archive
32%inclusion6 decks19 decks
29%synergy
Thran Dynamo
32%inclusion6 decks19 decks
27%synergy
Mind Stone
32%inclusion6 decks19 decks
17%synergy
Arcane Signet
32%inclusion6 decks19 decks
-41%synergy
Everflowing Chalice
26%inclusion5 decks19 decks
22%synergy
Lotus Petal
26%inclusion5 decks19 decks
19%synergy
Mox Opal
21%inclusion4 decks19 decks
17%synergy
Commander's Sphere
21%inclusion4 decks19 decks
9%synergy
Thought Vessel
21%inclusion4 decks19 decks
4%synergy
Slagstone Refinery
16%inclusion3 decks19 decks
16%synergy
Chromatic Sphere
16%inclusion3 decks19 decks
15%synergy
Fellwar Stone
16%inclusion3 decks19 decks
-5%synergy
Lands
Darkslick Shores
60%inclusion3 decks5 decks
55%synergy
Watery Grave
60%inclusion3 decks5 decks
19%synergy
Power Depot
26%inclusion5 decks19 decks
26%synergy
Command Tower
26%inclusion5 decks19 decks
-48%synergy