Scrap Trawler
Myr Retriever
Krark-Clan Ironworks
Umori, the Collector

   Prerequisites

What do I need to start this combo?
Scrap Trawler in your graveyard.
All other permanents on the battlefield (Umori with "Artifact" or "Creature" chosen on the battlefield).

   Steps

How does this combo work?
1
Activate Krark-Clan Ironworks by sacrificing Myr Retriever, adding .
2
When Myr Retriever dies, it triggers, returning Scrap Trawler from your graveyard to your hand.
3
Cast Scrap Trawler by paying its mana cost, which is reduced by Umori.
4
Activate Krark-Clan Ironworks by sacrificing Scrap Trawler, adding .
5
When Scrap Trawler dies, it triggers, returning Myr Retriever from your graveyard to your hand.
6
Cast Myr Retriever by paying its mana cost, which is reduced by Umori.
7
Repeat.

   Results

What do I get from this combo?
Infinite ETB
Infinite LTB
Infinite colorless mana
Infinite death triggers
Infinite sacrifice triggers
Infinite storm count
Umori, the Collector
1.0%inclusion14 decks1.45K decks
Glissa, the Traitor
0.2%inclusion6 decks2.69K decks
Rendmaw, Creaking Nest
0.1%inclusion6 decks10.4K decks
Honest Rutstein
0.2%inclusion2 decks1.04K decks
The Master, Transcendent
0.0%inclusion1 decks4.71K decks
Urtet, Remnant of Memnarch
0.0%inclusion1 decks15.6K decks
Azlask, the Swelling Scourge
0.0%inclusion1 decks13.6K decks
Ramos, Dragon Engine
0.0%inclusion1 decks10.7K decks
Atogatog
0.1%inclusion1 decks1.82K decks
New Cards
Krang, Master Mind
33%inclusion1 decks3 decks
33%synergy
High Synergy Cards
Foundry Inspector
91%inclusion30 decks33 decks
87%synergy
Tree of Tales
76%inclusion25 decks33 decks
74%synergy
Junk Diver
70%inclusion23 decks33 decks
69%synergy
Vault of Whispers
73%inclusion24 decks33 decks
68%synergy
Cloud Key
67%inclusion22 decks33 decks
65%synergy
Haywire Mite
67%inclusion22 decks33 decks
63%synergy
Jhoira's Familiar
64%inclusion21 decks33 decks
62%synergy
Workshop Assistant
61%inclusion20 decks33 decks
60%synergy
Inventors' Fair
64%inclusion21 decks33 decks
60%synergy
Mystic Forge
61%inclusion20 decks33 decks
58%synergy
Top Cards
Sensei's Divining Top
61%inclusion20 decks33 decks
56%synergy
Semblance Anvil
58%inclusion19 decks33 decks
57%synergy
Ichor Wellspring
58%inclusion19 decks33 decks
56%synergy
Ashnod's Altar
58%inclusion19 decks33 decks
51%synergy
Aetherflux Reservoir
55%inclusion18 decks33 decks
51%synergy
Nihil Spellbomb
48%inclusion16 decks33 decks
48%synergy
Copper Myr
42%inclusion14 decks33 decks
41%synergy
Leaden Myr
42%inclusion14 decks33 decks
41%synergy
Solemn Simulacrum
42%inclusion14 decks33 decks
30%synergy
Shimmer Myr
39%inclusion13 decks33 decks
38%synergy
Game Changers
Bolas's Citadel
61%inclusion20 decks33 decks
53%synergy
Demonic Tutor
36%inclusion12 decks33 decks
17%synergy
Ancient Tomb
30%inclusion10 decks33 decks
21%synergy
Vampiric Tutor
27%inclusion9 decks33 decks
12%synergy
Mana Vault
24%inclusion8 decks33 decks
18%synergy
Necropotence
15%inclusion5 decks33 decks
10%synergy
Mox Diamond
12%inclusion4 decks33 decks
8%synergy
Imperial Seal
12%inclusion4 decks33 decks
7%synergy
The One Ring
12%inclusion4 decks33 decks
4%synergy
Ad Nauseam
9.1%inclusion3 decks33 decks
7%synergy
Creatures
Ornithopter
39%inclusion13 decks33 decks
38%synergy
Myr Moonvessel
36%inclusion12 decks33 decks
36%synergy
Arcbound Ravager
36%inclusion12 decks33 decks
36%synergy
Kuldotha Forgemaster
36%inclusion12 decks33 decks
36%synergy
Disciple of the Vault
33%inclusion11 decks33 decks
32%synergy
Marionette Master
33%inclusion11 decks33 decks
31%synergy
Twitching Doll
28%inclusion8 decks29 decks
26%synergy
Ornithopter of Paradise
27%inclusion9 decks33 decks
23%synergy
Memnite
24%inclusion8 decks33 decks
24%synergy
Liberator, Urza's Battlethopter
24%inclusion8 decks33 decks
23%synergy
Palladium Myr
24%inclusion8 decks33 decks
22%synergy
Frogmite
21%inclusion7 decks33 decks
21%synergy
Imotekh the Stormlord
21%inclusion7 decks33 decks
21%synergy
Hope of Ghirapur
21%inclusion7 decks33 decks
21%synergy
Walking Ballista
21%inclusion7 decks33 decks
19%synergy
Burnished Hart
21%inclusion7 decks33 decks
18%synergy
Noxious Gearhulk
21%inclusion7 decks33 decks
18%synergy
Salvager of Ruin
18%inclusion6 decks33 decks
18%synergy
Chronomancer
18%inclusion6 decks33 decks
18%synergy
Canoptek Spyder
18%inclusion6 decks33 decks
18%synergy
Phyrexian Walker
18%inclusion6 decks33 decks
18%synergy
Plague Myr
18%inclusion6 decks33 decks
17%synergy
Wurmcoil Engine
18%inclusion6 decks33 decks
17%synergy
Myr Battlesphere
18%inclusion6 decks33 decks
16%synergy
Marionette Apprentice
16%inclusion5 decks31 decks
11%synergy
Sly Requisitioner
15%inclusion5 decks33 decks
15%synergy
Myr Sire
15%inclusion5 decks33 decks
15%synergy
Scrapyard Recombiner
15%inclusion5 decks33 decks
15%synergy
Filigree Familiar
15%inclusion5 decks33 decks
15%synergy
Mycosynth Golem
15%inclusion5 decks33 decks
15%synergy
Circuit Mender
15%inclusion5 decks33 decks
14%synergy
Metalwork Colossus
15%inclusion5 decks33 decks
14%synergy
Hangarback Walker
15%inclusion5 decks33 decks
14%synergy
Braids, Arisen Nightmare
15%inclusion5 decks33 decks
8%synergy
Eternal Witness
15%inclusion5 decks33 decks
-2%synergy
Scrawling Crawler
14%inclusion3 decks21 decks
12%synergy
Glaring Fleshraker
13%inclusion4 decks31 decks
12%synergy
Honest Rutstein
13%inclusion4 decks31 decks
8%synergy
Treasure Keeper
12%inclusion4 decks33 decks
12%synergy
Dross Scorpion
12%inclusion4 decks33 decks
12%synergy
Cathodion
12%inclusion4 decks33 decks
12%synergy
Ancestral Statue
12%inclusion4 decks33 decks
12%synergy
Manakin
12%inclusion4 decks33 decks
12%synergy
Necron Deathmark
12%inclusion4 decks33 decks
11%synergy
Sarinth Steelseeker
12%inclusion4 decks33 decks
11%synergy
Stonecoil Serpent
12%inclusion4 decks33 decks
11%synergy
Witherbloom Apprentice
12%inclusion4 decks33 decks
11%synergy
Pitiless Plunderer
12%inclusion4 decks33 decks
4%synergy
Beast Whisperer
12%inclusion4 decks33 decks
2%synergy
Birds of Paradise
12%inclusion4 decks33 decks
-15%synergy
Instants
Deadly Dispute
36%inclusion12 decks33 decks
24%synergy
Dark Ritual
30%inclusion10 decks33 decks
6%synergy
Heroic Intervention
24%inclusion8 decks33 decks
-6%synergy
Assassin's Trophy
24%inclusion8 decks33 decks
-6%synergy
Beast Within
24%inclusion8 decks33 decks
-10%synergy
Veil of Summer
18%inclusion6 decks33 decks
13%synergy
Culling the Weak
15%inclusion5 decks33 decks
11%synergy
Noxious Revival
15%inclusion5 decks33 decks
10%synergy
Fell the Profane
13%inclusion4 decks31 decks
4%synergy
Reckoner's Bargain
9.1%inclusion3 decks33 decks
8%synergy
Autumn's Veil
9.1%inclusion3 decks33 decks
8%synergy
Soul Shatter
9.1%inclusion3 decks33 decks
6%synergy
Nature's Claim
9.1%inclusion3 decks33 decks
2%synergy
Abrupt Decay
9.1%inclusion3 decks33 decks
0%synergy
Worldly Tutor
9.1%inclusion3 decks33 decks
-3%synergy
Sorceries
Tendrils of Agony
27%inclusion9 decks33 decks
27%synergy
Diabolic Intent
21%inclusion7 decks33 decks
13%synergy
Culling Ritual
21%inclusion7 decks33 decks
11%synergy
Toxic Deluge
18%inclusion6 decks33 decks
0%synergy
Chain of Smog
12%inclusion4 decks33 decks
11%synergy
Beseech the Mirror
12%inclusion4 decks33 decks
9%synergy
Chatterstorm
9.1%inclusion3 decks33 decks
8%synergy
Jarad's Orders
9.1%inclusion3 decks33 decks
8%synergy
Agadeem's Awakening
9.1%inclusion3 decks33 decks
6%synergy
Diabolic Tutor
9.1%inclusion3 decks33 decks
4%synergy
Rampant Growth
9.1%inclusion3 decks33 decks
-24%synergy
Utility Artifacts
Mishra's Bauble
39%inclusion13 decks33 decks
38%synergy
Wishclaw Talisman
39%inclusion13 decks33 decks
34%synergy
Grinding Station
36%inclusion12 decks33 decks
36%synergy
Helm of Awakening
30%inclusion10 decks33 decks
29%synergy
Skullclamp
30%inclusion10 decks33 decks
19%synergy
Trading Post
27%inclusion9 decks33 decks
26%synergy
Soul-Guide Lantern
27%inclusion9 decks33 decks
26%synergy
Sculpting Steel
27%inclusion9 decks33 decks
25%synergy
Conjurer's Bauble
24%inclusion8 decks33 decks
24%synergy
Executioner's Capsule
24%inclusion8 decks33 decks
24%synergy
Forsaken Monument
24%inclusion8 decks33 decks
23%synergy
Phyrexian Altar
24%inclusion8 decks33 decks
21%synergy
The Great Henge
24%inclusion8 decks33 decks
15%synergy
Swiftfoot Boots
24%inclusion8 decks33 decks
-3%synergy
Metalspinner's Puzzleknot
21%inclusion7 decks33 decks
21%synergy
Urza's Bauble
21%inclusion7 decks33 decks
21%synergy
Altar of Dementia
21%inclusion7 decks33 decks
19%synergy
Wayfarer's Bauble
21%inclusion7 decks33 decks
14%synergy
Nim Deathmantle
18%inclusion6 decks33 decks
18%synergy
Welding Jar
18%inclusion6 decks33 decks
18%synergy
Defense Grid
18%inclusion6 decks33 decks
17%synergy
Altar of the Brood
18%inclusion6 decks33 decks
17%synergy
Lightning Greaves
18%inclusion6 decks33 decks
-7%synergy
Heaped Harvest
15%inclusion4 decks26 decks
14%synergy
Spine of Ish Sah
15%inclusion5 decks33 decks
14%synergy
Elsewhere Flask
12%inclusion4 decks33 decks
12%synergy
Alchemist's Vial
12%inclusion4 decks33 decks
12%synergy
Codex Shredder
12%inclusion4 decks33 decks
11%synergy
Mycosynth Wellspring
12%inclusion4 decks33 decks
11%synergy
Tarrian's Journal
12%inclusion4 decks33 decks
11%synergy
Darksteel Forge
12%inclusion4 decks33 decks
11%synergy
Mirage Mirror
12%inclusion4 decks33 decks
11%synergy
Manifold Key
12%inclusion4 decks33 decks
11%synergy
Cranial Plating
12%inclusion4 decks33 decks
11%synergy
Unwinding Clock
12%inclusion4 decks33 decks
10%synergy
Salvaging Station
9.1%inclusion3 decks33 decks
9%synergy
Scrabbling Claws
9.1%inclusion3 decks33 decks
9%synergy
Brainstone
9.1%inclusion3 decks33 decks
9%synergy
The Immortal Sun
9.1%inclusion3 decks33 decks
8%synergy
Voltaic Key
9.1%inclusion3 decks33 decks
8%synergy
Nevinyrral's Disk
9.1%inclusion3 decks33 decks
8%synergy
Moonsilver Key
9.1%inclusion3 decks33 decks
8%synergy
Scroll Rack
9.1%inclusion3 decks33 decks
8%synergy
Bontu's Monument
9.1%inclusion3 decks33 decks
7%synergy
Expedition Map
9.1%inclusion3 decks33 decks
6%synergy
Whip of Erebos
9.1%inclusion3 decks33 decks
5%synergy
Idol of Oblivion
9.1%inclusion3 decks33 decks
4%synergy
Enchantments
Null Profusion
24%inclusion8 decks33 decks
24%synergy
Recycle
18%inclusion6 decks33 decks
18%synergy
Underhanded Designs
18%inclusion6 decks33 decks
18%synergy
Guardian Project
18%inclusion6 decks33 decks
10%synergy
Decaying Soil
9.1%inclusion3 decks33 decks
9%synergy
Phyrexian Scriptures
9.1%inclusion3 decks33 decks
8%synergy
Dictate of Erebos
9.1%inclusion3 decks33 decks
6%synergy
Sylvan Library
9.1%inclusion3 decks33 decks
0%synergy
Planeswalkers
Ugin, the Ineffable
27%inclusion9 decks33 decks
26%synergy
Utility Lands
Uthros, Titanic Godcore
100%inclusion3 decks3 decks
97%synergy
Academy Ruins
60%inclusion3 decks5 decks
55%synergy
Darksteel Citadel
58%inclusion19 decks33 decks
54%synergy
Buried Ruin
58%inclusion19 decks33 decks
53%synergy
Urza's Saga
42%inclusion14 decks33 decks
35%synergy
Boseiju, Who Endures
36%inclusion12 decks33 decks
18%synergy
Urborg, Tomb of Yawgmoth
30%inclusion10 decks33 decks
21%synergy
Bojuka Bog
27%inclusion9 decks33 decks
-2%synergy
Fomori Vault
26%inclusion8 decks31 decks
25%synergy
Yavimaya, Cradle of Growth
24%inclusion8 decks33 decks
15%synergy
Reliquary Tower
21%inclusion7 decks33 decks
-9%synergy
Takenuma, Abandoned Mire
18%inclusion6 decks33 decks
10%synergy
Phyrexian Tower
18%inclusion6 decks33 decks
9%synergy
Cabal Coffers
18%inclusion6 decks33 decks
9%synergy
Phyrexia's Core
15%inclusion5 decks33 decks
15%synergy
Treasure Vault
15%inclusion5 decks33 decks
13%synergy
Shifting Woodland
13%inclusion4 decks31 decks
6%synergy
Temple of the False God
12%inclusion4 decks33 decks
3%synergy
Spymaster's Vault
10%inclusion3 decks31 decks
7%synergy
Bonders' Enclave
9.1%inclusion3 decks33 decks
7%synergy
Dryad Arbor
9.1%inclusion3 decks33 decks
5%synergy
Castle Locthwain
9.1%inclusion3 decks33 decks
5%synergy
Mana Artifacts
Sol Ring
94%inclusion31 decks33 decks
10%synergy
Talisman of Creativity
75%inclusion3 decks4 decks
47%synergy
Arcane Signet
67%inclusion22 decks33 decks
-6%synergy
Talisman of Curiosity
60%inclusion3 decks5 decks
47%synergy
Talisman of Resilience
55%inclusion18 decks33 decks
42%synergy
Chromatic Star
52%inclusion17 decks33 decks
51%synergy
Mind Stone
52%inclusion17 decks33 decks
37%synergy
Chromatic Sphere
45%inclusion15 decks33 decks
45%synergy
Lotus Petal
42%inclusion14 decks33 decks
35%synergy
Golgari Signet
39%inclusion13 decks33 decks
29%synergy
Fellwar Stone
39%inclusion13 decks33 decks
19%synergy
Mox Opal
27%inclusion9 decks33 decks
23%synergy
Thought Vessel
24%inclusion8 decks33 decks
7%synergy
Commander's Sphere
21%inclusion7 decks33 decks
9%synergy
Springleaf Drum
15%inclusion5 decks33 decks
13%synergy
Blinkmoth Urn
12%inclusion4 decks33 decks
12%synergy
Mana Crypt
12%inclusion4 decks33 decks
10%synergy
Basalt Monolith
12%inclusion4 decks33 decks
10%synergy
Thran Dynamo
12%inclusion4 decks33 decks
8%synergy
Golden Egg
9.1%inclusion3 decks33 decks
9%synergy
Hedron Archive
9.1%inclusion3 decks33 decks
7%synergy
Everflowing Chalice
9.1%inclusion3 decks33 decks
5%synergy
Lands
Command Tower
76%inclusion25 decks33 decks
1%synergy
Drossforge Bridge
75%inclusion3 decks4 decks
72%synergy
Goldmire Bridge
75%inclusion3 decks4 decks
71%synergy
Silverbluff Bridge
75%inclusion3 decks4 decks
69%synergy
Razortide Bridge
75%inclusion3 decks4 decks
68%synergy
Overgrown Tomb
73%inclusion24 decks33 decks
32%synergy
Mistvault Bridge
60%inclusion3 decks5 decks
56%synergy
Darkmoss Bridge
55%inclusion18 decks33 decks
51%synergy
Llanowar Wastes
48%inclusion16 decks33 decks
22%synergy
Undergrowth Stadium
45%inclusion15 decks33 decks
22%synergy
Verdant Catacombs
39%inclusion13 decks33 decks
28%synergy
Underground Mortuary
39%inclusion13 decks33 decks
27%synergy
Woodland Cemetery
36%inclusion12 decks33 decks
4%synergy
Spire of Industry
33%inclusion11 decks33 decks
30%synergy
Blooming Marsh
27%inclusion9 decks33 decks
22%synergy
Darkbore Pathway
27%inclusion9 decks33 decks
21%synergy
Bayou
27%inclusion9 decks33 decks
14%synergy
The Mycosynth Gardens
21%inclusion7 decks33 decks
20%synergy
Nurturing Peatland
21%inclusion7 decks33 decks
16%synergy
Golgari Rot Farm
21%inclusion7 decks33 decks
4%synergy
Deathcap Glade
18%inclusion6 decks33 decks
5%synergy
Twilight Mire
18%inclusion6 decks33 decks
5%synergy
Tainted Wood
18%inclusion6 decks33 decks
5%synergy
Exotic Orchard
18%inclusion6 decks33 decks
-18%synergy
Power Depot
15%inclusion5 decks33 decks
14%synergy
Wooded Foothills
15%inclusion5 decks33 decks
4%synergy
Terramorphic Expanse
12%inclusion4 decks33 decks
-3%synergy
Evolving Wilds
12%inclusion4 decks33 decks
-9%synergy
Talon Gates of Madara
10%inclusion3 decks31 decks
7%synergy
Glimmervoid
9.1%inclusion3 decks33 decks
9%synergy
Scene of the Crime
9.1%inclusion3 decks33 decks
8%synergy
Golgari Guildgate
9.1%inclusion3 decks33 decks
4%synergy
Mana Confluence
9.1%inclusion3 decks33 decks
2%synergy
City of Brass
9.1%inclusion3 decks33 decks
2%synergy
Marsh Flats
9.1%inclusion3 decks33 decks
-2%synergy
Windswept Heath
9.1%inclusion3 decks33 decks
-2%synergy
Bloodstained Mire
9.1%inclusion3 decks33 decks
-2%synergy
Misty Rainforest
9.1%inclusion3 decks33 decks
-2%synergy
Polluted Delta
9.1%inclusion3 decks33 decks
-3%synergy
Temple of Malady
9.1%inclusion3 decks33 decks
-7%synergy