Jan Jansen, Chaos Crafter, Pitiless Plunderer, Sword of the Paruns, and Krark-Clan Ironworks

Prerequisites

• Jan Jansen, Chaos Crafter on the battlefield
• Pitiless Plunderer on the battlefield
• Sword of the Paruns on the battlefield
• Krark-Clan Ironworks on the battlefield

Steps

1. Activate Jan Jansen's second ability by tapping it and sacrificing any other noncreature artifact, creating two 1/1 Construct creature tokens
2. Activate Krark-Clan Ironworks twice by sacrificing both Construct tokens, adding
3. When the Constructs die, Pitiless Plunderer triggers twice, creating two Treasure tokens
4. Activate Sword of the Paruns by paying , untapping Jan Jansen
5. Repeat

Results

• Infinite colorless mana
• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite untap of creatures you control
• Infinite mana creatures you control can produce