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 decks1.37K decks
Rendmaw, Creaking Nest
0.1%inclusion7 decks10.8K decks
Glissa, the Traitor
0.2%inclusion6 decks2.69K decks
Honest Rutstein
0.2%inclusion2 decks1.07K decks
The Master, Transcendent
0.0%inclusion1 decks4.49K decks
Urtet, Remnant of Memnarch
0.0%inclusion1 decks15.9K decks
Azlask, the Swelling Scourge
0.0%inclusion1 decks13.9K decks
Ramos, Dragon Engine
0.0%inclusion1 decks10.9K decks
Atogatog
0.1%inclusion1 decks1.83K decks
New Cards
Krang, Master Mind
33%inclusion1 decks3 decks
33%synergy
High Synergy Cards
Foundry Inspector
91%inclusion31 decks34 decks
87%synergy
Tree of Tales
76%inclusion26 decks34 decks
74%synergy
Junk Diver
71%inclusion24 decks34 decks
70%synergy
Vault of Whispers
74%inclusion25 decks34 decks
69%synergy
Haywire Mite
68%inclusion23 decks34 decks
64%synergy
Jhoira's Familiar
65%inclusion22 decks34 decks
63%synergy
Cloud Key
65%inclusion22 decks34 decks
63%synergy
Mystic Forge
62%inclusion21 decks34 decks
59%synergy
Workshop Assistant
59%inclusion20 decks34 decks
58%synergy
Semblance Anvil
59%inclusion20 decks34 decks
58%synergy
Top Cards
Sensei's Divining Top
59%inclusion20 decks34 decks
54%synergy
Ichor Wellspring
56%inclusion19 decks34 decks
54%synergy
Ashnod's Altar
56%inclusion19 decks34 decks
50%synergy
Aetherflux Reservoir
53%inclusion18 decks34 decks
50%synergy
Nihil Spellbomb
47%inclusion16 decks34 decks
46%synergy
Copper Myr
44%inclusion15 decks34 decks
43%synergy
Leaden Myr
44%inclusion15 decks34 decks
42%synergy
Ornithopter
41%inclusion14 decks34 decks
39%synergy
Solemn Simulacrum
41%inclusion14 decks34 decks
29%synergy
Shimmer Myr
38%inclusion13 decks34 decks
37%synergy
Game Changers
Bolas's Citadel
59%inclusion20 decks34 decks
51%synergy
Demonic Tutor
35%inclusion12 decks34 decks
16%synergy
Ancient Tomb
29%inclusion10 decks34 decks
20%synergy
Vampiric Tutor
26%inclusion9 decks34 decks
12%synergy
Mana Vault
24%inclusion8 decks34 decks
18%synergy
Necropotence
15%inclusion5 decks34 decks
10%synergy
Mox Diamond
12%inclusion4 decks34 decks
7%synergy
Imperial Seal
12%inclusion4 decks34 decks
7%synergy
The One Ring
12%inclusion4 decks34 decks
3%synergy
Ad Nauseam
8.8%inclusion3 decks34 decks
7%synergy
Creatures
Myr Moonvessel
35%inclusion12 decks34 decks
35%synergy
Arcbound Ravager
35%inclusion12 decks34 decks
35%synergy
Kuldotha Forgemaster
35%inclusion12 decks34 decks
35%synergy
Disciple of the Vault
32%inclusion11 decks34 decks
31%synergy
Marionette Master
32%inclusion11 decks34 decks
30%synergy
Twitching Doll
30%inclusion9 decks30 decks
28%synergy
Ornithopter of Paradise
29%inclusion10 decks34 decks
25%synergy
Memnite
26%inclusion9 decks34 decks
26%synergy
Palladium Myr
26%inclusion9 decks34 decks
25%synergy
Liberator, Urza's Battlethopter
24%inclusion8 decks34 decks
22%synergy
Noxious Gearhulk
24%inclusion8 decks34 decks
20%synergy
Frogmite
21%inclusion7 decks34 decks
20%synergy
Chronomancer
21%inclusion7 decks34 decks
20%synergy
Imotekh the Stormlord
21%inclusion7 decks34 decks
20%synergy
Canoptek Spyder
21%inclusion7 decks34 decks
20%synergy
Hope of Ghirapur
21%inclusion7 decks34 decks
20%synergy
Plague Myr
21%inclusion7 decks34 decks
20%synergy
Walking Ballista
21%inclusion7 decks34 decks
18%synergy
Burnished Hart
21%inclusion7 decks34 decks
18%synergy
Scrawling Crawler
18%inclusion4 decks22 decks
16%synergy
Salvager of Ruin
18%inclusion6 decks34 decks
18%synergy
Mycosynth Golem
18%inclusion6 decks34 decks
17%synergy
Phyrexian Walker
18%inclusion6 decks34 decks
17%synergy
Wurmcoil Engine
18%inclusion6 decks34 decks
16%synergy
Myr Battlesphere
18%inclusion6 decks34 decks
16%synergy
Marionette Apprentice
16%inclusion5 decks32 decks
11%synergy
Sly Requisitioner
15%inclusion5 decks34 decks
15%synergy
Myr Sire
15%inclusion5 decks34 decks
14%synergy
Scrapyard Recombiner
15%inclusion5 decks34 decks
14%synergy
Filigree Familiar
15%inclusion5 decks34 decks
14%synergy
Necron Deathmark
15%inclusion5 decks34 decks
14%synergy
Circuit Mender
15%inclusion5 decks34 decks
14%synergy
Metalwork Colossus
15%inclusion5 decks34 decks
14%synergy
Hangarback Walker
15%inclusion5 decks34 decks
14%synergy
Stonecoil Serpent
15%inclusion5 decks34 decks
14%synergy
Braids, Arisen Nightmare
15%inclusion5 decks34 decks
8%synergy
Eternal Witness
15%inclusion5 decks34 decks
-2%synergy
Glaring Fleshraker
13%inclusion4 decks32 decks
11%synergy
Honest Rutstein
13%inclusion4 decks32 decks
8%synergy
Heap Doll
12%inclusion4 decks34 decks
12%synergy
Treasure Keeper
12%inclusion4 decks34 decks
12%synergy
Dross Scorpion
12%inclusion4 decks34 decks
12%synergy
Cathodion
12%inclusion4 decks34 decks
12%synergy
Ancestral Statue
12%inclusion4 decks34 decks
12%synergy
Manakin
12%inclusion4 decks34 decks
11%synergy
Sarinth Steelseeker
12%inclusion4 decks34 decks
11%synergy
Witherbloom Apprentice
12%inclusion4 decks34 decks
10%synergy
Pitiless Plunderer
12%inclusion4 decks34 decks
3%synergy
Beast Whisperer
12%inclusion4 decks34 decks
2%synergy
Birds of Paradise
12%inclusion4 decks34 decks
-16%synergy
Instants
Deadly Dispute
35%inclusion12 decks34 decks
23%synergy
Dark Ritual
29%inclusion10 decks34 decks
5%synergy
Heroic Intervention
24%inclusion8 decks34 decks
-7%synergy
Assassin's Trophy
24%inclusion8 decks34 decks
-7%synergy
Beast Within
24%inclusion8 decks34 decks
-10%synergy
Veil of Summer
18%inclusion6 decks34 decks
13%synergy
Culling the Weak
15%inclusion5 decks34 decks
11%synergy
Noxious Revival
15%inclusion5 decks34 decks
10%synergy
Fell the Profane
13%inclusion4 decks32 decks
4%synergy
Reckoner's Bargain
8.8%inclusion3 decks34 decks
8%synergy
Autumn's Veil
8.8%inclusion3 decks34 decks
8%synergy
Soul Shatter
8.8%inclusion3 decks34 decks
6%synergy
Nature's Claim
8.8%inclusion3 decks34 decks
2%synergy
Abrupt Decay
8.8%inclusion3 decks34 decks
-1%synergy
Worldly Tutor
8.8%inclusion3 decks34 decks
-3%synergy
Sorceries
Tendrils of Agony
26%inclusion9 decks34 decks
26%synergy
Diabolic Intent
21%inclusion7 decks34 decks
13%synergy
Culling Ritual
21%inclusion7 decks34 decks
10%synergy
Toxic Deluge
18%inclusion6 decks34 decks
0%synergy
Chain of Smog
12%inclusion4 decks34 decks
11%synergy
Beseech the Mirror
12%inclusion4 decks34 decks
9%synergy
Chatterstorm
8.8%inclusion3 decks34 decks
8%synergy
Jarad's Orders
8.8%inclusion3 decks34 decks
7%synergy
Agadeem's Awakening
8.8%inclusion3 decks34 decks
6%synergy
Diabolic Tutor
8.8%inclusion3 decks34 decks
3%synergy
Rampant Growth
8.8%inclusion3 decks34 decks
-24%synergy
Utility Artifacts
Mishra's Bauble
38%inclusion13 decks34 decks
37%synergy
Wishclaw Talisman
38%inclusion13 decks34 decks
33%synergy
Grinding Station
35%inclusion12 decks34 decks
35%synergy
Skullclamp
32%inclusion11 decks34 decks
21%synergy
Helm of Awakening
29%inclusion10 decks34 decks
29%synergy
Sculpting Steel
29%inclusion10 decks34 decks
27%synergy
Trading Post
26%inclusion9 decks34 decks
26%synergy
Soul-Guide Lantern
26%inclusion9 decks34 decks
25%synergy
Swiftfoot Boots
26%inclusion9 decks34 decks
-1%synergy
Conjurer's Bauble
24%inclusion8 decks34 decks
23%synergy
Executioner's Capsule
24%inclusion8 decks34 decks
23%synergy
Forsaken Monument
24%inclusion8 decks34 decks
22%synergy
Phyrexian Altar
24%inclusion8 decks34 decks
20%synergy
The Great Henge
24%inclusion8 decks34 decks
14%synergy
Metalspinner's Puzzleknot
21%inclusion7 decks34 decks
21%synergy
Urza's Bauble
21%inclusion7 decks34 decks
20%synergy
Altar of Dementia
21%inclusion7 decks34 decks
18%synergy
Wayfarer's Bauble
21%inclusion7 decks34 decks
13%synergy
Lightning Greaves
21%inclusion7 decks34 decks
-4%synergy
Nim Deathmantle
18%inclusion6 decks34 decks
17%synergy
Welding Jar
18%inclusion6 decks34 decks
17%synergy
Spine of Ish Sah
18%inclusion6 decks34 decks
17%synergy
Defense Grid
18%inclusion6 decks34 decks
17%synergy
Altar of the Brood
18%inclusion6 decks34 decks
17%synergy
Heaped Harvest
15%inclusion4 decks27 decks
13%synergy
Unwinding Clock
15%inclusion5 decks34 decks
12%synergy
Elsewhere Flask
12%inclusion4 decks34 decks
12%synergy
Alchemist's Vial
12%inclusion4 decks34 decks
12%synergy
Codex Shredder
12%inclusion4 decks34 decks
11%synergy
Mycosynth Wellspring
12%inclusion4 decks34 decks
11%synergy
Voltaic Key
12%inclusion4 decks34 decks
11%synergy
Nevinyrral's Disk
12%inclusion4 decks34 decks
11%synergy
Tarrian's Journal
12%inclusion4 decks34 decks
11%synergy
Mirage Mirror
12%inclusion4 decks34 decks
10%synergy
Cranial Plating
12%inclusion4 decks34 decks
10%synergy
Manifold Key
12%inclusion4 decks34 decks
10%synergy
Whip of Erebos
12%inclusion4 decks34 decks
8%synergy
Idol of Oblivion
12%inclusion4 decks34 decks
7%synergy
Salvaging Station
8.8%inclusion3 decks34 decks
9%synergy
Scrabbling Claws
8.8%inclusion3 decks34 decks
9%synergy
Brainstone
8.8%inclusion3 decks34 decks
9%synergy
The Immortal Sun
8.8%inclusion3 decks34 decks
8%synergy
Cloudstone Curio
8.8%inclusion3 decks34 decks
8%synergy
Moonsilver Key
8.8%inclusion3 decks34 decks
8%synergy
Darksteel Forge
8.8%inclusion3 decks34 decks
8%synergy
Scroll Rack
8.8%inclusion3 decks34 decks
8%synergy
Bontu's Monument
8.8%inclusion3 decks34 decks
7%synergy
Expedition Map
8.8%inclusion3 decks34 decks
6%synergy
Enchantments
Null Profusion
24%inclusion8 decks34 decks
23%synergy
Recycle
18%inclusion6 decks34 decks
18%synergy
Underhanded Designs
18%inclusion6 decks34 decks
18%synergy
Guardian Project
18%inclusion6 decks34 decks
10%synergy
Decaying Soil
8.8%inclusion3 decks34 decks
9%synergy
Phyrexian Scriptures
8.8%inclusion3 decks34 decks
8%synergy
Dictate of Erebos
8.8%inclusion3 decks34 decks
6%synergy
Sylvan Library
8.8%inclusion3 decks34 decks
0%synergy
Planeswalkers
Ugin, the Ineffable
26%inclusion9 decks34 decks
25%synergy
Utility Lands
Uthros, Titanic Godcore
100%inclusion3 decks3 decks
97%synergy
Inventors' Fair
62%inclusion21 decks34 decks
58%synergy
Academy Ruins
60%inclusion3 decks5 decks
55%synergy
Darksteel Citadel
59%inclusion20 decks34 decks
55%synergy
Buried Ruin
56%inclusion19 decks34 decks
51%synergy
Urza's Saga
44%inclusion15 decks34 decks
37%synergy
Boseiju, Who Endures
35%inclusion12 decks34 decks
17%synergy
Urborg, Tomb of Yawgmoth
29%inclusion10 decks34 decks
20%synergy
Bojuka Bog
26%inclusion9 decks34 decks
-3%synergy
Fomori Vault
25%inclusion8 decks32 decks
24%synergy
Yavimaya, Cradle of Growth
24%inclusion8 decks34 decks
15%synergy
Reliquary Tower
24%inclusion8 decks34 decks
-6%synergy
Takenuma, Abandoned Mire
21%inclusion7 decks34 decks
12%synergy
Treasure Vault
18%inclusion6 decks34 decks
15%synergy
Phyrexian Tower
18%inclusion6 decks34 decks
9%synergy
Cabal Coffers
18%inclusion6 decks34 decks
8%synergy
Phyrexia's Core
15%inclusion5 decks34 decks
14%synergy
Shifting Woodland
13%inclusion4 decks32 decks
6%synergy
Dryad Arbor
12%inclusion4 decks34 decks
8%synergy
Temple of the False God
12%inclusion4 decks34 decks
3%synergy
Spymaster's Vault
9.4%inclusion3 decks32 decks
7%synergy
Bonders' Enclave
8.8%inclusion3 decks34 decks
6%synergy
Castle Locthwain
8.8%inclusion3 decks34 decks
5%synergy
Mana Artifacts
Sol Ring
94%inclusion32 decks34 decks
10%synergy
Talisman of Creativity
75%inclusion3 decks4 decks
47%synergy
Arcane Signet
68%inclusion23 decks34 decks
-5%synergy
Talisman of Curiosity
60%inclusion3 decks5 decks
47%synergy
Talisman of Resilience
53%inclusion18 decks34 decks
40%synergy
Chromatic Star
50%inclusion17 decks34 decks
49%synergy
Mind Stone
50%inclusion17 decks34 decks
36%synergy
Chromatic Sphere
44%inclusion15 decks34 decks
44%synergy
Lotus Petal
41%inclusion14 decks34 decks
34%synergy
Golgari Signet
38%inclusion13 decks34 decks
28%synergy
Fellwar Stone
38%inclusion13 decks34 decks
18%synergy
Mox Opal
26%inclusion9 decks34 decks
22%synergy
Thought Vessel
24%inclusion8 decks34 decks
6%synergy
Commander's Sphere
21%inclusion7 decks34 decks
9%synergy
Springleaf Drum
15%inclusion5 decks34 decks
13%synergy
Blinkmoth Urn
12%inclusion4 decks34 decks
11%synergy
Mana Crypt
12%inclusion4 decks34 decks
10%synergy
Basalt Monolith
12%inclusion4 decks34 decks
9%synergy
Thran Dynamo
12%inclusion4 decks34 decks
7%synergy
Golden Egg
8.8%inclusion3 decks34 decks
9%synergy
Hedron Archive
8.8%inclusion3 decks34 decks
6%synergy
Everflowing Chalice
8.8%inclusion3 decks34 decks
5%synergy
Lands
Command Tower
76%inclusion26 decks34 decks
2%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
71%inclusion24 decks34 decks
29%synergy
Mistvault Bridge
60%inclusion3 decks5 decks
56%synergy
Darkmoss Bridge
56%inclusion19 decks34 decks
53%synergy
Llanowar Wastes
50%inclusion17 decks34 decks
23%synergy
Undergrowth Stadium
44%inclusion15 decks34 decks
21%synergy
Verdant Catacombs
38%inclusion13 decks34 decks
27%synergy
Underground Mortuary
38%inclusion13 decks34 decks
26%synergy
Woodland Cemetery
35%inclusion12 decks34 decks
3%synergy
Spire of Industry
32%inclusion11 decks34 decks
29%synergy
Blooming Marsh
29%inclusion10 decks34 decks
25%synergy
Darkbore Pathway
29%inclusion10 decks34 decks
23%synergy
Bayou
26%inclusion9 decks34 decks
13%synergy
The Mycosynth Gardens
21%inclusion7 decks34 decks
19%synergy
Nurturing Peatland
21%inclusion7 decks34 decks
16%synergy
Twilight Mire
21%inclusion7 decks34 decks
7%synergy
Golgari Rot Farm
21%inclusion7 decks34 decks
4%synergy
Power Depot
18%inclusion6 decks34 decks
17%synergy
Deathcap Glade
18%inclusion6 decks34 decks
5%synergy
Tainted Wood
18%inclusion6 decks34 decks
4%synergy
Exotic Orchard
18%inclusion6 decks34 decks
-19%synergy
Wooded Foothills
15%inclusion5 decks34 decks
4%synergy
Scene of the Crime
12%inclusion4 decks34 decks
11%synergy
Terramorphic Expanse
12%inclusion4 decks34 decks
-3%synergy
Temple of Malady
12%inclusion4 decks34 decks
-4%synergy
Evolving Wilds
12%inclusion4 decks34 decks
-9%synergy
Valgavoth's Lair
12%inclusion3 decks26 decks
10%synergy
Talon Gates of Madara
9.4%inclusion3 decks32 decks
7%synergy
Glimmervoid
8.8%inclusion3 decks34 decks
8%synergy
Golgari Guildgate
8.8%inclusion3 decks34 decks
4%synergy
Mana Confluence
8.8%inclusion3 decks34 decks
2%synergy
City of Brass
8.8%inclusion3 decks34 decks
1%synergy
Marsh Flats
8.8%inclusion3 decks34 decks
-2%synergy
Windswept Heath
8.8%inclusion3 decks34 decks
-2%synergy
Bloodstained Mire
8.8%inclusion3 decks34 decks
-2%synergy
Misty Rainforest
8.8%inclusion3 decks34 decks
-3%synergy
Polluted Delta
8.8%inclusion3 decks34 decks
-3%synergy