Metalwork Colossus + Pitiless Plunderer + Slagstone Refinery + Krark-Clan Ironworks

Metalwork Colossus
Pitiless Plunderer
Slagstone Refinery
Krark-Clan Ironworks

Requires
Metalwork Colossus must be on the battlefield. Pitiless Plunderer must be on the battlefield. Slagstone Refinery must be on the battlefield. Krark-Clan Ironworks must be on the battlefield.
Steps
  1. Activate Krark-Clan Ironworks by sacrificing Metalwork Colossus, adding .
  2. When Metlwork Colossus dies, Slagstone Refinery and Pitiless Plunderer trigger.
  3. Resolve the Slagstone Refinery trigger, creating a tapped Powerstone artifact creature token.
  4. Resolve the Pitiless Plunderer trigger, creating a Treasure artifact token.
  5. Activate Metalwork Colossus by sacrificing the Powerstone token and the Treasure token, returning Metalwork Colossus from your graveyard to your hand.
  6. Cast Metalwork Colossus by paying at most 1.
  7. Repeat.
Results
Infinite colorless mana. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers. Infinite storm count.

Imotekh the Stormlord
0.03% of 6815 decks 2 decks
Armix, Filigree Thrasher // Keskit, the Flesh Sculptor
0.71% of 141 decks 1 decks
Drivnod, Carnage Dominus
0.10% of 1008 decks 1 decks
Ashnod, Flesh Mechanist
0.06% of 1650 decks 1 decks
Jan Jansen, Chaos Crafter
0.02% of 4532 decks 1 decks
Ashnod the Uncaring
0.04% of 2477 decks 1 decks
Mr. House, President and CEO
0.01% of 14328 decks 1 decks
Rakdos, Lord of Riots
0.01% of 8074 decks 1 decks
Keskit, the Flesh Sculptor // Rebbec, Architect of Ascension
5.88% of 17 decks 1 decks
Ayara, Widow of the Realm
0.06% of 1771 decks 1 decks
High Synergy Cards
Great Furnace
100% of 5 decks +95% synergy
Scrap Trawler
91% of 11 decks +89% synergy
Vault of Whispers
91% of 11 decks +87% synergy
Buried Ruin
82% of 11 decks +77% synergy
Goblin Engineer
80% of 5 decks +77% synergy
Myr Retriever
73% of 11 decks +71% synergy
Kuldotha Forgemaster
64% of 11 decks +63% synergy
Ichor Wellspring
64% of 11 decks +62% synergy
Vat of Rebirth
64% of 11 decks +62% synergy
Disciple of the Vault
64% of 11 decks +62% synergy
Top Cards
Sly Requisitioner
55% of 11 decks +54% synergy
Prized Statue
55% of 11 decks +54% synergy
Junk Diver
55% of 11 decks +54% synergy
Jhoira's Familiar
55% of 11 decks +53% synergy
Agent of the Iron Throne
55% of 11 decks +52% synergy
Marionette Master
55% of 11 decks +51% synergy
Foundry Inspector
55% of 11 decks +51% synergy
Servo Schematic
45% of 11 decks +45% synergy
Psychomancer
45% of 11 decks +45% synergy
Workshop Assistant
45% of 11 decks +45% synergy
Game Changers
Bolas's Citadel
36% of 11 decks +28% synergy
Ancient Tomb
27% of 11 decks +17% synergy
Creatures
Goblin Welder
60% of 5 decks +58% synergy
Marionette Apprentice
60% of 5 decks +55% synergy
Solemn Simulacrum
45% of 11 decks +32% synergy
Imotekh the Stormlord
36% of 11 decks +36% synergy
Chronomancer
36% of 11 decks +36% synergy
Zulaport Cutthroat
36% of 11 decks +27% synergy
Myr Sire
27% of 11 decks +27% synergy
Illuminor Szeras
27% of 11 decks +27% synergy
Phyrexian Triniform
27% of 11 decks +26% synergy
Hangarback Walker
27% of 11 decks +26% synergy
Myr Battlesphere
27% of 11 decks +25% synergy
Noxious Gearhulk
27% of 11 decks +24% synergy
Instants
Malakir Rebirth
36% of 11 decks +28% synergy
Deadly Dispute
36% of 11 decks +25% synergy
Dark Ritual
36% of 11 decks +14% synergy
Defile
27% of 11 decks +24% synergy
Sorceries
Terisiare's Devastation
27% of 11 decks +27% synergy
Utility Artifacts
Grinding Station
45% of 11 decks +45% synergy
Skullclamp
45% of 11 decks +34% synergy
Mind Stone
45% of 11 decks +29% synergy
Nimblewright Schematic
36% of 11 decks +36% synergy
Nihil Spellbomb
36% of 11 decks +36% synergy
Trading Post
36% of 11 decks +35% synergy
Unwinding Clock
36% of 11 decks +34% synergy
Mystic Forge
36% of 11 decks +33% synergy
Ashnod's Altar
36% of 11 decks +29% synergy
Lightning Greaves
36% of 11 decks +11% synergy
Skeleton Shard
27% of 11 decks +27% synergy
Blood Fountain
27% of 11 decks +27% synergy
Blasting Station
27% of 11 decks +27% synergy
Chromatic Star
27% of 11 decks +27% synergy
Mirrorworks
27% of 11 decks +27% synergy
Mycosynth Wellspring
27% of 11 decks +27% synergy
Portal to Phyrexia
27% of 11 decks +26% synergy
Cranial Plating
27% of 11 decks +25% synergy
Sculpting Steel
27% of 11 decks +25% synergy
Hedron Archive
27% of 11 decks +24% synergy
Expedition Map
27% of 11 decks +24% synergy
Phyrexian Altar
27% of 11 decks +23% synergy
Wayfarer's Bauble
27% of 11 decks +18% synergy
Commander's Sphere
27% of 11 decks +13% synergy
Enchantments
Anointed Procession
100% of 3 decks +92% synergy
Biotransference
45% of 11 decks +44% synergy
Bastion of Remembrance
27% of 11 decks +21% synergy
Utility Lands
Ancient Den
100% of 3 decks +95% synergy
Urborg, Tomb of Yawgmoth
64% of 11 decks +54% synergy
Inventors' Fair
55% of 11 decks +51% synergy
Cabal Coffers
55% of 11 decks +44% synergy
Darksteel Citadel
45% of 11 decks +42% synergy
Urza's Saga
45% of 11 decks +39% synergy
Phyrexian Tower
45% of 11 decks +37% synergy
Bojuka Bog
45% of 11 decks +16% synergy
Treasure Vault
36% of 11 decks +34% synergy
Takenuma, Abandoned Mire
36% of 11 decks +27% synergy
Tomb Fortress
27% of 11 decks +26% synergy
Reliquary Tower
27% of 11 decks -2% synergy
Mana Artifacts
Sol Ring
73% of 11 decks -12% synergy
Arcane Signet
55% of 11 decks -18% synergy
Liquimetal Torque
36% of 11 decks +33% synergy
Mox Opal
27% of 11 decks +23% synergy
Lands
Goldmire Bridge
100% of 3 decks +95% synergy
Drossforge Bridge
60% of 5 decks +56% synergy
The Mycosynth Gardens
45% of 11 decks +44% synergy
Command Tower
45% of 11 decks -29% synergy
Myriad Landscape
27% of 11 decks +9% synergy
Evolving Wilds
27% of 11 decks +6% synergy