Trazyn the Infinite, The Golden Throne, Gravecrawler, and Intruder Alarm

Prerequisites

• Trazyn the Infinite on the battlefield
• The Golden Throne in the graveyard
• Gravecrawler on the battlefield
• Intruder Alarm on the battlefield

Steps

1. Activate Trazyn using The Golden Throne's ability by tapping it and sacrificing Gravecrawler, adding
2. Cast Gravecrawler from your graveyard by paying
3. Gravecrawler enters the battlefield, triggering Intruder Alarm, untapping all creatures
4. Repeat

Results

• Infinite colored mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite mana creatures you control can produce
• Infinite sacrifice triggers
• Infinite storm count
• Infinite untap of all creatures