Prerequisites
- Metalwork Colossus on the battlefield
- Slagstone Refinery on the battlefield
- Sly Requisitioner 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, Sly Requisitioner and Slagstone Refinery trigger
- Resolve the Sly Requisitioner trigger, creating a 1/1 Servo artifact creature token
- Resolve the Slagstone Refinery trigger, creating a tapped Powerstone artifact token
- Activate Metalwork Colossus by sacrificing the Servo and the Powerstone 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
Sly Requisitioner
Creature — Human Artificer
Krark-Clan Ironworks
Artifact