Koll, the Forgemaster + Skirk Prospector + Umbral Mantle

Koll, the Forgemaster
Skirk Prospector
Umbral Mantle

Requires
Koll, the Forgemaster must be on the battlefield. Skirk Prospector must be on the battlefield. Umbral Mantle must be on the battlefield.
Steps
  1. Activate Umbral Mantle's equip ability by paying 0, attaching it to Skirk Prospector.
  2. Activate Skirk Prospector by sacrificing it, adding .
  3. When Skirk Prospector dies, Koll triggers, returning Skirk Prospector from your graveyard to your hand.
  4. Cast Skirk Prospector by paying .
  5. Repeat.
Results
Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers. Infinite storm count.

Koll, the Forgemaster
9.40% of 1309 decks 123 decks
High Synergy Cards
Sai of the Shinobi
94% of 125 decks +94% synergy
Shuko
92% of 125 decks +91% synergy
Rograkh, Son of Rohgahh
97% of 125 decks +91% synergy
Memnite
90% of 125 decks +89% synergy
Goblin Bombardment
94% of 125 decks +89% synergy
Grafted Wargear
90% of 125 decks +89% synergy
Crimson Kobolds
88% of 125 decks +87% synergy
Impulsive Pilferer
86% of 125 decks +84% synergy
Crookshank Kobolds
85% of 125 decks +84% synergy
Ornithopter
90% of 125 decks +83% synergy
Top Cards
Skullclamp
94% of 125 decks +81% synergy
Lightning Greaves
94% of 125 decks +67% synergy
Impact Tremors
86% of 125 decks +76% synergy
Open the Armory
83% of 125 decks +65% synergy
Ashnod's Altar
81% of 125 decks +77% synergy
Myr Moonvessel
80% of 125 decks +79% synergy
Phyrexian Walker
80% of 125 decks +77% synergy
Blasting Station
78% of 125 decks +78% synergy
Swords to Plowshares
78% of 125 decks +10% synergy
Stormrider Rig
78% of 125 decks +77% synergy
Creatures
Kobolds of Kher Keep
78% of 125 decks +77% synergy
Puresteel Paladin
77% of 125 decks +58% synergy
Imperial Recruiter
68% of 125 decks +56% synergy
Molten Gatekeeper
64% of 11 decks +52% synergy
Reckless Barbarian
60% of 107 decks +59% synergy
Kellan, the Fae-Blooded
59% of 49 decks +47% synergy
Shield Sphere
58% of 125 decks +57% synergy
Stone Haven Outfitter
54% of 125 decks +52% synergy
Auriok Steelshaper
50% of 125 decks +49% synergy
Bureau Headmaster
50% of 8 decks +33% synergy
Stoneforge Mystic
48% of 125 decks +36% synergy
Witty Roastmaster
48% of 111 decks +43% synergy
Birgi, God of Storytelling
45% of 125 decks +39% synergy
Dockside Extortionist
41% of 125 decks +27% synergy
Sram, Senior Edificer
41% of 125 decks +19% synergy
Mogg Fanatic
40% of 125 decks +40% synergy
Ranger-Captain of Eos
39% of 125 decks +34% synergy
Esper Sentinel
38% of 121 decks +10% synergy
Priest of Urabrask
38% of 125 decks +37% synergy
Goblin Engineer
37% of 125 decks +30% synergy
Cathodion
35% of 125 decks +35% synergy
Fervent Champion
34% of 125 decks +32% synergy
Recruiter of the Guard
33% of 125 decks +26% synergy
Goblin Matron
30% of 125 decks +29% synergy
Grand Abolisher
29% of 125 decks +18% synergy
Oswald Fiddlebender
27% of 121 decks +21% synergy
Simian Spirit Guide
26% of 125 decks +20% synergy
Relic Seeker
23% of 125 decks +19% synergy
Ranger of Eos
22% of 125 decks +22% synergy
Purphoros, God of the Forge
22% of 125 decks +17% synergy
Mentor of the Meek
22% of 125 decks +13% synergy
Akki Ember-Keeper
22% of 112 decks +22% synergy
Thermopod
19% of 125 decks +19% synergy
Runaway Steam-Kin
19% of 125 decks +16% synergy
Goblin Recruiter
16% of 125 decks +16% synergy
Drannith Magistrate
16% of 125 decks +9% synergy
Goblin Welder
15% of 125 decks +10% synergy
Cathar Commando
14% of 114 decks +7% synergy
Taj-Nar Swordsmith
13% of 125 decks +12% synergy
Flamescroll Celebrant
12% of 123 decks +11% synergy
Ragavan, Nimble Pilferer
12% of 121 decks +4% synergy
Danitha Capashen, Paragon
11% of 125 decks -3% synergy
Myr Retriever
10% of 125 decks +7% synergy
Éowyn, Lady of Rohan
10% of 52 decks +6% synergy
Bladegraft Aspirant
9% of 67 decks +5% synergy
Akiri, Fearless Voyager
9% of 125 decks -7% synergy
Archivist of Oghma
8% of 107 decks -0% synergy
Hissing Iguanar
8% of 125 decks +8% synergy
Fanatical Firebrand
8% of 125 decks +8% synergy
Restoration Specialist
8% of 125 decks +7% synergy
Instants
Path to Exile
62% of 125 decks +6% synergy
Enlightened Tutor
58% of 125 decks +40% synergy
Silence
38% of 125 decks +32% synergy
Generous Gift
35% of 125 decks -5% synergy
Red Elemental Blast
34% of 125 decks +28% synergy
Pyroblast
32% of 125 decks +27% synergy
Abrade
32% of 125 decks +19% synergy
Flare of Duplication
31% of 16 decks +29% synergy
Chaos Warp
31% of 125 decks -3% synergy
Deflecting Swat
30% of 125 decks +15% synergy
Wear // Tear
30% of 125 decks +3% synergy
Boros Charm
30% of 125 decks -26% synergy
Thrill of Possibility
29% of 125 decks +15% synergy
Stroke of Midnight
22% of 49 decks +2% synergy
Reprieve
18% of 62 decks +9% synergy
Mana Tithe
18% of 125 decks +15% synergy
Rebuff the Wicked
16% of 125 decks +13% synergy
Dispatch
15% of 125 decks +1% synergy
Teferi's Protection
15% of 125 decks -5% synergy
Tibalt's Trickery
14% of 125 decks +8% synergy
Disenchant
12% of 125 decks +5% synergy
Valakut Awakening
12% of 125 decks +3% synergy
Angel's Grace
11% of 125 decks +9% synergy
Demand Answers
11% of 38 decks -0% synergy
Seething Song
10% of 125 decks +8% synergy
Calamity's Wake
9% of 88 decks +8% synergy
Lightning Bolt
9% of 125 decks -1% synergy
Surge of Salvation
8% of 61 decks +3% synergy
Pyretic Ritual
8% of 125 decks +7% synergy
Deflecting Palm
8% of 125 decks -8% synergy
Blacksmith's Skill
7% of 121 decks -0% synergy
Soul Partition
7% of 88 decks +6% synergy
Desperate Ritual
6% of 125 decks +6% synergy
Apostle's Blessing
6% of 125 decks +3% synergy
Flawless Maneuver
6% of 125 decks -12% synergy
Sorceries
Steelshaper's Gift
67% of 125 decks +55% synergy
Grapeshot
53% of 125 decks +50% synergy
Faithless Looting
42% of 125 decks +23% synergy
Jeska's Will
37% of 125 decks +16% synergy
Gamble
32% of 125 decks +24% synergy
Reckless Handling
30% of 60 decks +24% synergy
Idyllic Tutor
30% of 125 decks +27% synergy
Blasphemous Act
23% of 125 decks -10% synergy
Sevinne's Reclamation
22% of 125 decks +11% synergy
Cathartic Reunion
17% of 125 decks +12% synergy
Tormenting Voice
14% of 125 decks +10% synergy
Rip Apart
13% of 123 decks -5% synergy
Infernal Plunge
13% of 125 decks +12% synergy
Wheel of Fortune
13% of 125 decks +10% synergy
Wheel of Misfortune
13% of 125 decks +9% synergy
Vandalblast
13% of 125 decks -3% synergy
Rite of Flame
10% of 125 decks +9% synergy
Recommission
9% of 81 decks +6% synergy
Thrilling Discovery
8% of 123 decks -0% synergy
Fireball
7% of 125 decks +7% synergy
Shatterskull Smashing
7% of 125 decks +1% synergy
Wrath of God
7% of 125 decks +0% synergy
Reconstruct History
7% of 123 decks -1% synergy
Empty the Warrens
6% of 125 decks +5% synergy
Utility Artifacts
Altar of Dementia
58% of 125 decks +56% synergy
Ronin Warclub
57% of 125 decks +56% synergy
Phyrexian Altar
52% of 125 decks +50% synergy
Altar of the Brood
49% of 125 decks +48% synergy
Bladehold War-Whip
46% of 76 decks +35% synergy
Mortarpod
42% of 125 decks +41% synergy
Mask of Immolation
38% of 125 decks +38% synergy
Swiftfoot Boots
38% of 125 decks -7% synergy
Deathrender
38% of 125 decks +37% synergy
Aetherflux Reservoir
29% of 125 decks +25% synergy
Lotus Ring
21% of 19 decks +20% synergy
Spawning Pit
21% of 125 decks +20% synergy
Conqueror's Flail
18% of 125 decks +15% synergy
Demonmail Hauberk
18% of 125 decks +17% synergy
The One Ring
16% of 62 decks +11% synergy
Hero's Blade
13% of 125 decks +8% synergy
Grinding Station
12% of 125 decks +11% synergy
Sunforger
12% of 125 decks -11% synergy
Plate Armor
12% of 121 decks +8% synergy
Forebear's Blade
11% of 125 decks +10% synergy
Sword of the Animist
10% of 125 decks -12% synergy
Bontu's Monument
10% of 125 decks +10% synergy
Mask of Memory
9% of 125 decks -2% synergy
Moonsilver Key
8% of 114 decks +5% synergy
Masterwork of Ingenuity
6% of 125 decks -3% synergy
Sensei's Divining Top
6% of 125 decks +3% synergy
Enchantments
Fighter Class
72% of 121 decks +56% synergy
Warleader's Call
45% of 38 decks +25% synergy
Trouble in Pairs
23% of 26 decks +9% synergy
Sigarda's Aid
22% of 125 decks +7% synergy
Forge Anew
20% of 55 decks +6% synergy
Outpost Siege
19% of 125 decks +16% synergy
Powerbalance
19% of 16 decks +16% synergy
Forging the Tyrite Sword
18% of 125 decks +12% synergy
Enduring Renewal
16% of 125 decks +16% synergy
Underworld Breach
15% of 125 decks +13% synergy
Fanatical Devotion
14% of 125 decks +12% synergy
Martyr's Cause
13% of 125 decks +12% synergy
Smothering Tithe
13% of 125 decks -11% synergy
Quest for the Holy Relic
11% of 125 decks +11% synergy
Darksteel Mutation
7% of 125 decks +2% synergy
Deafening Silence
6% of 125 decks +1% synergy
Planeswalkers
Nahiri, Storm of Stone
11% of 125 decks +10% synergy
Nahiri, the Unforgiving
5% of 77 decks +3% synergy
Utility Lands
Buried Ruin
45% of 125 decks +28% synergy
Axgard Armory
38% of 125 decks +25% synergy
Great Furnace
35% of 125 decks +22% synergy
Urza's Saga
32% of 121 decks +22% synergy
Ancient Den
32% of 125 decks +18% synergy
Inventors' Fair
26% of 125 decks +16% synergy
Monumental Henge
23% of 13 decks +13% synergy
Ancient Tomb
19% of 125 decks +9% synergy
Darksteel Citadel
13% of 125 decks +4% synergy
Reliquary Tower
13% of 125 decks -4% synergy
Eiganjo, Seat of the Empire
12% of 112 decks -4% synergy
Rogue's Passage
6% of 125 decks -24% synergy
War Room
6% of 125 decks -6% synergy
Mana Artifacts
Sol Ring
90% of 125 decks +3% synergy
Arcane Signet
81% of 125 decks +1% synergy
Talisman of Conviction
53% of 125 decks -0% synergy
Boros Signet
51% of 125 decks -9% synergy
Paradise Mantle
36% of 125 decks +34% synergy
Lotus Petal
31% of 125 decks +26% synergy
Mana Crypt
27% of 125 decks +18% synergy
Mox Opal
26% of 125 decks +21% synergy
Mox Amber
23% of 125 decks +18% synergy
Fellwar Stone
21% of 125 decks -5% synergy
Mind Stone
20% of 125 decks -12% synergy
Chrome Mox
16% of 125 decks +11% synergy
Springleaf Drum
14% of 125 decks +12% synergy
Mox Diamond
13% of 125 decks +10% synergy
Mana Vault
13% of 125 decks +7% synergy
Thought Vessel
12% of 125 decks -2% synergy
Fire Diamond
7% of 125 decks -2% synergy
Marble Diamond
6% of 125 decks -2% synergy
Lands
Command Tower
90% of 125 decks +3% synergy
Battlefield Forge
68% of 125 decks +11% synergy
Spectator Seating
49% of 125 decks +5% synergy
Clifftop Retreat
49% of 125 decks -6% synergy
Sacred Foundry
48% of 125 decks +4% synergy
Needleverge Pathway
42% of 125 decks +11% synergy
Arid Mesa
40% of 125 decks +10% synergy
Rugged Prairie
40% of 125 decks +6% synergy
Inspiring Vantage
26% of 125 decks +13% synergy
Furycalm Snarl
26% of 123 decks -14% synergy
Sundown Pass
26% of 113 decks -10% synergy
Spire of Industry
23% of 125 decks +18% synergy
Plateau
22% of 125 decks +10% synergy
Sunbaked Canyon
22% of 125 decks +7% synergy
Sunscorched Divide
22% of 23 decks +1% synergy
Elegant Parlor
21% of 38 decks -2% synergy
Boros Garrison
20% of 125 decks -23% synergy
Scalding Tarn
18% of 125 decks +11% synergy
Bloodstained Mire
18% of 125 decks +11% synergy
Flooded Strand
16% of 125 decks +9% synergy
Exotic Orchard
16% of 125 decks -11% synergy
Temple of Triumph
16% of 125 decks -26% synergy
Mana Confluence
15% of 125 decks +10% synergy
City of Brass
15% of 125 decks +9% synergy
Wooded Foothills
15% of 125 decks +9% synergy
Marsh Flats
15% of 125 decks +7% synergy
Gemstone Caverns
14% of 125 decks +10% synergy
Myriad Landscape
14% of 125 decks -13% synergy
Windswept Heath
13% of 125 decks +6% synergy
Sacred Peaks
13% of 95 decks -3% synergy
Evolving Wilds
12% of 125 decks -9% synergy
Rustvale Bridge
10% of 121 decks -4% synergy
Prismatic Vista
10% of 125 decks +2% synergy
Fabled Passage
10% of 125 decks +0% synergy
Alpine Meadow
9% of 125 decks -1% synergy
Terramorphic Expanse
8% of 125 decks -7% synergy
Forbidden Orchard
6% of 125 decks +4% synergy
Wind-Scarred Crag
6% of 125 decks -10% synergy
Ash Barrens
6% of 125 decks +1% synergy