Koll, the Forgemaster
Demonmail Hauberk
Umbral Mantle
Cathodion

   Prerequisites

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

   Steps

How does this combo work?
1
Activate Umbral Mantle's equip ability by paying 0, attaching it to Cathodion.
2
Activate Demonmail Hauberk by sacrificing Cathodion, targeting Koll.
3
When Cathodion dies, it and Koll trigger.
4
Resolve the Cathodion trigger, adding .
5
Resolve the Koll trigger, returning it from your graveyard to your hand.
6
Resolve the Demonmail Hauberk ability, attaching it to Koll.
7
Cast Cathodion by paying its mana cost.
8
Repeat.

   Results

What do I get from this combo?
Infinite LTB
Infinite ETB
Infinite sacrifice triggers
Infinite death triggers
Infinite storm count
Koll, the Forgemaster
0.7%inclusion8 decks1.21K decks
High Synergy Cards
Sai of the Shinobi
100%inclusion8 decks8 decks
100%synergy
Shuko
100%inclusion8 decks8 decks
99%synergy
Grafted Wargear
100%inclusion8 decks8 decks
99%synergy
Impulsive Pilferer
100%inclusion8 decks8 decks
99%synergy
Stone Haven Outfitter
100%inclusion8 decks8 decks
98%synergy
Ornithopter
100%inclusion8 decks8 decks
95%synergy
Goblin Bombardment
100%inclusion8 decks8 decks
94%synergy
Ronin Warclub
88%inclusion7 decks8 decks
87%synergy
Stormrider Rig
88%inclusion7 decks8 decks
87%synergy
Myr Moonvessel
88%inclusion7 decks8 decks
87%synergy
Top Cards
Impact Tremors
100%inclusion8 decks8 decks
84%synergy
Martyr's Cause
88%inclusion7 decks8 decks
87%synergy
Skirk Prospector
88%inclusion7 decks8 decks
87%synergy
Rograkh, Son of Rohgahh
88%inclusion7 decks8 decks
83%synergy
Skullclamp
88%inclusion7 decks8 decks
72%synergy
Lightning Greaves
88%inclusion7 decks8 decks
59%synergy
Deathrender
75%inclusion6 decks8 decks
75%synergy
Reckless Barbarian
75%inclusion6 decks8 decks
74%synergy
Priest of Urabrask
75%inclusion6 decks8 decks
74%synergy
Phyrexian Walker
75%inclusion6 decks8 decks
73%synergy
Game Changers
Enlightened Tutor
13%inclusion1 decks8 decks
-3%synergy
Teferi's Protection
13%inclusion1 decks8 decks
-4%synergy
Smothering Tithe
13%inclusion1 decks8 decks
-8%synergy
Creatures
Witty Roastmaster
75%inclusion6 decks8 decks
69%synergy
Thermopod
63%inclusion5 decks8 decks
62%synergy
Kobolds of Kher Keep
63%inclusion5 decks8 decks
62%synergy
Memnite
63%inclusion5 decks8 decks
61%synergy
Crookshank Kobolds
50%inclusion4 decks8 decks
50%synergy
Crimson Kobolds
50%inclusion4 decks8 decks
50%synergy
Molten Gatekeeper
50%inclusion3 decks6 decks
41%synergy
Puresteel Paladin
50%inclusion4 decks8 decks
32%synergy
Bogardan Dragonheart
38%inclusion3 decks8 decks
37%synergy
Mogg Fanatic
38%inclusion3 decks8 decks
37%synergy
Akki Ember-Keeper
38%inclusion3 decks8 decks
37%synergy
Taj-Nar Swordsmith
38%inclusion3 decks8 decks
37%synergy
Goblin Matron
38%inclusion3 decks8 decks
37%synergy
Foundry Inspector
38%inclusion3 decks8 decks
28%synergy
Stoneforge Mystic
38%inclusion3 decks8 decks
26%synergy
Giott, King of the Dwarves
33%inclusion1 decks3 decks
32%synergy
Bureau Headmaster
33%inclusion2 decks6 decks
26%synergy
Spiteful Prankster
25%inclusion2 decks8 decks
25%synergy
Steelshaper Apprentice
25%inclusion2 decks8 decks
25%synergy
Defiler of Instinct
25%inclusion2 decks8 decks
25%synergy
Auriok Steelshaper
25%inclusion2 decks8 decks
24%synergy
Flamescroll Celebrant
25%inclusion2 decks8 decks
24%synergy
Restoration Specialist
25%inclusion2 decks8 decks
24%synergy
Shocking Sharpshooter
25%inclusion1 decks4 decks
24%synergy
Relic Seeker
25%inclusion2 decks8 decks
23%synergy
Oswald Fiddlebender
25%inclusion2 decks8 decks
20%synergy
Myr Retriever
25%inclusion2 decks8 decks
20%synergy
Cathar Commando
25%inclusion2 decks8 decks
19%synergy
Bruenor Battlehammer
25%inclusion2 decks8 decks
14%synergy
Mentor of the Meek
25%inclusion2 decks8 decks
13%synergy
Sram, Senior Edificer
25%inclusion2 decks8 decks
5%synergy
Esper Sentinel
25%inclusion2 decks8 decks
0%synergy
Agate Instigator
17%inclusion1 decks6 decks
10%synergy
Witch Enchanter
17%inclusion1 decks6 decks
4%synergy
Goblin Sledder
13%inclusion1 decks8 decks
12%synergy
Krark-Clan Shaman
13%inclusion1 decks8 decks
12%synergy
Ravenous Intruder
13%inclusion1 decks8 decks
12%synergy
Frogmite
13%inclusion1 decks8 decks
12%synergy
Salvage Scout
13%inclusion1 decks8 decks
12%synergy
Myr Enforcer
13%inclusion1 decks8 decks
12%synergy
Perilous Myr
13%inclusion1 decks8 decks
12%synergy
Hissing Iguanar
13%inclusion1 decks8 decks
12%synergy
Atog
13%inclusion1 decks8 decks
12%synergy
Shield Sphere
13%inclusion1 decks8 decks
12%synergy
Sojourner's Companion
13%inclusion1 decks8 decks
12%synergy
Greater Gargadon
13%inclusion1 decks8 decks
12%synergy
Bygone Bishop
13%inclusion1 decks8 decks
12%synergy
Ranger of Eos
13%inclusion1 decks8 decks
12%synergy
Hoarding Dragon
13%inclusion1 decks8 decks
12%synergy
Fuming Effigy
13%inclusion1 decks8 decks
12%synergy
Instants
Boros Charm
50%inclusion4 decks8 decks
1%synergy
Swords to Plowshares
50%inclusion4 decks8 decks
-16%synergy
Generous Gift
38%inclusion3 decks8 decks
2%synergy
Path to Exile
38%inclusion3 decks8 decks
-19%synergy
Mana Tithe
25%inclusion2 decks8 decks
23%synergy
Thrill of Possibility
25%inclusion2 decks8 decks
14%synergy
Stroke of Midnight
25%inclusion2 decks8 decks
8%synergy
Sazacap's Brew
17%inclusion1 decks6 decks
15%synergy
Flare of Duplication
17%inclusion1 decks6 decks
15%synergy
Unwanted Remake
17%inclusion1 decks6 decks
14%synergy
Razorgrass Ambush
17%inclusion1 decks6 decks
12%synergy
Legion Leadership
17%inclusion1 decks6 decks
-1%synergy
Bovine Intervention
14%inclusion1 decks7 decks
12%synergy
Scapegoat
13%inclusion1 decks8 decks
12%synergy
Savage Alliance
13%inclusion1 decks8 decks
12%synergy
Moment of Silence
13%inclusion1 decks8 decks
12%synergy
Unexpectedly Absent
13%inclusion1 decks8 decks
12%synergy
Argivian Find
13%inclusion1 decks8 decks
12%synergy
Contraband Livestock
13%inclusion1 decks8 decks
12%synergy
Desperate Ritual
13%inclusion1 decks8 decks
12%synergy
Cosmic Intervention
13%inclusion1 decks8 decks
12%synergy
Pyretic Ritual
13%inclusion1 decks8 decks
12%synergy
Lapse of Certainty
13%inclusion1 decks8 decks
11%synergy
Condemn
13%inclusion1 decks8 decks
11%synergy
Gideon's Sacrifice
13%inclusion1 decks8 decks
11%synergy
Fling
13%inclusion1 decks8 decks
10%synergy
Seething Song
13%inclusion1 decks8 decks
10%synergy
Get Lost
13%inclusion1 decks8 decks
9%synergy
Rebuff the Wicked
13%inclusion1 decks8 decks
9%synergy
Return to Dust
13%inclusion1 decks8 decks
8%synergy
Red Elemental Blast
13%inclusion1 decks8 decks
8%synergy
Tibalt's Trickery
13%inclusion1 decks8 decks
7%synergy
Demand Answers
13%inclusion1 decks8 decks
4%synergy
Reprieve
13%inclusion1 decks8 decks
4%synergy
Abrade
13%inclusion1 decks8 decks
-1%synergy
Dispatch
13%inclusion1 decks8 decks
-2%synergy
Deflecting Palm
13%inclusion1 decks8 decks
-6%synergy
Wear // Tear
13%inclusion1 decks8 decks
-9%synergy
Chaos Warp
13%inclusion1 decks8 decks
-19%synergy
Sorceries
Grapeshot
63%inclusion5 decks8 decks
60%synergy
Open the Armory
63%inclusion5 decks8 decks
48%synergy
Faithless Looting
38%inclusion3 decks8 decks
21%synergy
Blasphemous Act
38%inclusion3 decks8 decks
5%synergy
Fervent Mastery
25%inclusion2 decks8 decks
25%synergy
Wild Guess
25%inclusion2 decks8 decks
25%synergy
Infernal Plunge
25%inclusion2 decks8 decks
25%synergy
Tormenting Voice
25%inclusion2 decks8 decks
23%synergy
Idyllic Tutor
25%inclusion2 decks8 decks
22%synergy
Cathartic Reunion
25%inclusion2 decks8 decks
22%synergy
Seize the Spoils
25%inclusion2 decks8 decks
22%synergy
Steelshaper's Gift
25%inclusion2 decks8 decks
12%synergy
Sundering Eruption
17%inclusion1 decks6 decks
11%synergy
Ignite Memories
13%inclusion1 decks8 decks
12%synergy
Cleansing Wildfire
13%inclusion1 decks8 decks
12%synergy
Empty the Warrens
13%inclusion1 decks8 decks
12%synergy
Thud
13%inclusion1 decks8 decks
12%synergy
Citywide Bust
13%inclusion1 decks8 decks
12%synergy
Doomskar
13%inclusion1 decks8 decks
12%synergy
Search for Glory
13%inclusion1 decks8 decks
11%synergy
Rite of Flame
13%inclusion1 decks8 decks
11%synergy
Witch's Mark
13%inclusion1 decks8 decks
11%synergy
Pirate's Pillage
13%inclusion1 decks8 decks
11%synergy
Recommission
13%inclusion1 decks8 decks
10%synergy
Cleansing Nova
13%inclusion1 decks8 decks
10%synergy
Reckless Handling
13%inclusion1 decks8 decks
9%synergy
Reconstruct History
13%inclusion1 decks8 decks
8%synergy
Martial Coup
13%inclusion1 decks8 decks
7%synergy
Wrath of God
13%inclusion1 decks8 decks
7%synergy
Thrilling Discovery
13%inclusion1 decks8 decks
7%synergy
Sevinne's Reclamation
13%inclusion1 decks8 decks
1%synergy
Rip Apart
13%inclusion1 decks8 decks
-1%synergy
Utility Artifacts
Ashnod's Altar
63%inclusion5 decks8 decks
58%synergy
Spawning Pit
50%inclusion4 decks8 decks
50%synergy
Plate Armor
50%inclusion4 decks8 decks
48%synergy
Altar of the Brood
38%inclusion3 decks8 decks
37%synergy
Blasting Station
38%inclusion3 decks8 decks
37%synergy
Forebear's Blade
38%inclusion3 decks8 decks
37%synergy
Mortarpod
25%inclusion2 decks8 decks
24%synergy
Altar of Dementia
25%inclusion2 decks8 decks
24%synergy
Phyrexian Altar
25%inclusion2 decks8 decks
23%synergy
Masterwork of Ingenuity
25%inclusion2 decks8 decks
17%synergy
Mask of Memory
25%inclusion2 decks8 decks
17%synergy
Dissection Tools
17%inclusion1 decks6 decks
16%synergy
Lotus Ring
14%inclusion1 decks7 decks
14%synergy
Hair-Strung Koto
13%inclusion1 decks8 decks
12%synergy
Bontu's Monument
13%inclusion1 decks8 decks
12%synergy
Gate to the Afterlife
13%inclusion1 decks8 decks
12%synergy
Piston Sledge
13%inclusion1 decks8 decks
12%synergy
Citanul Flute
13%inclusion1 decks8 decks
12%synergy
Obsidian Battle-Axe
13%inclusion1 decks8 decks
12%synergy
Helm of Awakening
13%inclusion1 decks8 decks
12%synergy
Bone Saw
13%inclusion1 decks8 decks
12%synergy
Boots of Speed
13%inclusion1 decks8 decks
12%synergy
Elixir of Immortality
13%inclusion1 decks8 decks
12%synergy
Hazoret's Monument
13%inclusion1 decks8 decks
11%synergy
Sensei's Divining Top
13%inclusion1 decks8 decks
10%synergy
Explorer's Scope
13%inclusion1 decks8 decks
10%synergy
Hero's Blade
13%inclusion1 decks8 decks
9%synergy
Aetherflux Reservoir
13%inclusion1 decks8 decks
9%synergy
Bloodforged Battle-Axe
13%inclusion1 decks8 decks
5%synergy
Hammer of Nazahn
13%inclusion1 decks8 decks
3%synergy
Shadowspear
13%inclusion1 decks8 decks
2%synergy
Sunforger
13%inclusion1 decks8 decks
-4%synergy
Swiftfoot Boots
13%inclusion1 decks8 decks
-32%synergy
Enchantments
Fanatical Devotion
50%inclusion4 decks8 decks
49%synergy
Quest for the Holy Relic
38%inclusion3 decks8 decks
37%synergy
Outpost Siege
38%inclusion3 decks8 decks
36%synergy
Forging the Tyrite Sword
38%inclusion3 decks8 decks
34%synergy
Darksteel Mutation
38%inclusion3 decks8 decks
33%synergy
Fighter Class
38%inclusion3 decks8 decks
26%synergy
Warleader's Call
29%inclusion2 decks7 decks
16%synergy
Furious Assault
25%inclusion2 decks8 decks
25%synergy
Betrothed of Fire
25%inclusion2 decks8 decks
25%synergy
Forge Anew
25%inclusion2 decks8 decks
14%synergy
Trouble in Pairs
14%inclusion1 decks7 decks
5%synergy
Prophetic Ravings
13%inclusion1 decks8 decks
12%synergy
Kyren Negotiations
13%inclusion1 decks8 decks
12%synergy
Vicious Shadows
13%inclusion1 decks8 decks
12%synergy
Out of Time
13%inclusion1 decks8 decks
12%synergy
Reprobation
13%inclusion1 decks8 decks
12%synergy
Makeshift Munitions
13%inclusion1 decks8 decks
12%synergy
Blessed Sanctuary
13%inclusion1 decks8 decks
12%synergy
Grasp of Fate
13%inclusion1 decks8 decks
11%synergy
Pia's Revolution
13%inclusion1 decks8 decks
10%synergy
Showdown of the Skalds
13%inclusion1 decks8 decks
10%synergy
Warstorm Surge
13%inclusion1 decks8 decks
10%synergy
Sigarda's Aid
13%inclusion1 decks8 decks
-1%synergy
Planeswalkers
Nahiri, the Lithomancer
13%inclusion1 decks8 decks
11%synergy
Nahiri, Heir of the Ancients
13%inclusion1 decks8 decks
9%synergy
Utility Lands
Axgard Armory
75%inclusion6 decks8 decks
66%synergy
Ancient Den
25%inclusion2 decks8 decks
12%synergy
Great Furnace
25%inclusion2 decks8 decks
12%synergy
Buried Ruin
25%inclusion2 decks8 decks
11%synergy
Slayers' Stronghold
25%inclusion2 decks8 decks
2%synergy
Monumental Henge
17%inclusion1 decks6 decks
11%synergy
Mistveil Plains
13%inclusion1 decks8 decks
10%synergy
Needle Spires
13%inclusion1 decks8 decks
6%synergy
Inventors' Fair
13%inclusion1 decks8 decks
3%synergy
Urza's Saga
13%inclusion1 decks8 decks
3%synergy
Temple of the False God
13%inclusion1 decks8 decks
3%synergy
War Room
13%inclusion1 decks8 decks
2%synergy
Rogue's Passage
13%inclusion1 decks8 decks
-20%synergy
Mana Artifacts
Arcane Signet
75%inclusion6 decks8 decks
-5%synergy
Sol Ring
75%inclusion6 decks8 decks
-10%synergy
Talisman of Conviction
38%inclusion3 decks8 decks
-15%synergy
Boros Signet
38%inclusion3 decks8 decks
-15%synergy
Paradise Mantle
25%inclusion2 decks8 decks
23%synergy
Mox Opal
13%inclusion1 decks8 decks
8%synergy
Mox Amber
13%inclusion1 decks8 decks
8%synergy
Lotus Petal
13%inclusion1 decks8 decks
8%synergy
Commander's Sphere
13%inclusion1 decks8 decks
-4%synergy
Fellwar Stone
13%inclusion1 decks8 decks
-12%synergy
Mind Stone
13%inclusion1 decks8 decks
-14%synergy
Lands
Furycalm Snarl
75%inclusion6 decks8 decks
31%synergy
Battlefield Forge
75%inclusion6 decks8 decks
20%synergy
Command Tower
75%inclusion6 decks8 decks
-11%synergy
Clifftop Retreat
63%inclusion5 decks8 decks
-1%synergy
Exotic Orchard
50%inclusion4 decks8 decks
21%synergy
Rugged Prairie
50%inclusion4 decks8 decks
10%synergy
Sunscorched Divide
43%inclusion3 decks7 decks
24%synergy
Alpine Meadow
38%inclusion3 decks8 decks
31%synergy
Sunbaked Canyon
38%inclusion3 decks8 decks
21%synergy
Sundown Pass
38%inclusion3 decks8 decks
2%synergy
Temple of Triumph
38%inclusion3 decks8 decks
-1%synergy
Boros Garrison
38%inclusion3 decks8 decks
-2%synergy
City of Brass
25%inclusion2 decks8 decks
21%synergy
Spire of Industry
25%inclusion2 decks8 decks
19%synergy
Plateau
25%inclusion2 decks8 decks
13%synergy
Sacred Peaks
25%inclusion2 decks8 decks
13%synergy
Sunbillow Verge
25%inclusion1 decks4 decks
3%synergy
Needleverge Pathway
25%inclusion2 decks8 decks
-1%synergy
Arid Mesa
25%inclusion2 decks8 decks
-3%synergy
Sacred Foundry
25%inclusion2 decks8 decks
-19%synergy
Cabaretti Courtyard
13%inclusion1 decks8 decks
11%synergy
Lorehold Campus
13%inclusion1 decks8 decks
9%synergy
Mana Confluence
13%inclusion1 decks8 decks
9%synergy
Ash Barrens
13%inclusion1 decks8 decks
8%synergy
Scalding Tarn
13%inclusion1 decks8 decks
7%synergy
Wooded Foothills
13%inclusion1 decks8 decks
7%synergy
Prismatic Vista
13%inclusion1 decks8 decks
6%synergy
Flooded Strand
13%inclusion1 decks8 decks
6%synergy
Bloodstained Mire
13%inclusion1 decks8 decks
6%synergy
Windswept Heath
13%inclusion1 decks8 decks
6%synergy
Marsh Flats
13%inclusion1 decks8 decks
6%synergy
Rustvale Bridge
13%inclusion1 decks8 decks
0%synergy
Terramorphic Expanse
13%inclusion1 decks8 decks
-2%synergy
Inspiring Vantage
13%inclusion1 decks8 decks
-3%synergy
Path of Ancestry
13%inclusion1 decks8 decks
-4%synergy
Evolving Wilds
13%inclusion1 decks8 decks
-8%synergy
Myriad Landscape
13%inclusion1 decks8 decks
-9%synergy
Spectator Seating
13%inclusion1 decks8 decks
-27%synergy