Prerequisites
- Metalwork Colossus on the battlefield
- Pitiless Plunderer on the battlefield
- Slagstone Refinery on the battlefield
- Krark-Clan Ironworks on the battlefield
- Noncreature artifacts you control have a combined mana value of ten or greater
Steps
- Activate Krark-Clan Ironworks by sacrificing Metalwork Colossus, adding
- When Metlwork Colossus dies, Slagstone Refinery and Pitiless Plunderer trigger
- Resolve the Slagstone Refinery trigger, creating a tapped Powerstone artifact creature token
- Resolve the Pitiless Plunderer trigger, creating a Treasure artifact token
- Activate Metalwork Colossus by sacrificing the Powerstone token and the Treasure token, returning Metalwork Colossus from your graveyard to your hand
- Cast Metalwork Colossus by paying at most
- Repeat
Results
- Infinite colorless mana
- Infinite death triggers
- Infinite ETB
- Infinite LTB
- Infinite sacrifice triggers
- Infinite storm count
Required Cards 4
Metalwork Colossus
Artifact Creature — Construct
Pitiless Plunderer
Creature — Human Pirate
Krark-Clan Ironworks
Artifact