Jan Jansen, Chaos Crafter, Clock of Omens, and Biotransference

Prerequisites

• Jan Jansen, Chaos Crafter on the battlefield
• Clock of Omens on the battlefield
• Biotransference on the battlefield

Steps

1. Activate Jan Jansen's first ability by tapping it and sacrificing a creature, creating two Treasure tokens
2. Activate Clock of Omens by tapping the two Treasure tokens, untapping Jan Jansen
3. Activate Jan Jansen's second ability by tapping it and sacrificing a Treasure token, creating two 1/1 Construct creature tokens
4. Activate Clock of Omens by tapping the two Construct tokens, untapping Jan Jansen
5. Repeat

Results

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