Academy Manufactor, Clock of Omens, Krark-Clan Ironworks, and Magnifying Glass

Prerequisites

• Academy Manufactor on the battlefield
• Clock of Omens on the battlefield
• Krark-Clan Ironworks on the battlefield
• Magnifying Glass on the battlefield
• available

Steps

1. Activate Magnifying Glass's second ability by paying and tapping it, creating a Food, Clue and Treasure artifact token
2. Activate Clock of Omens by tapping two of the tokens, untapping Magnifying Glass
3. Activate Krark-Clan Ironworks by sacrificing two of the tokens, adding
4. Repeat

Results

• Infinite card draw
• Infinite Clue tokens
• Infinite colored mana
• Infinite colorless mana
• Infinite draw triggers
• Infinite Food tokens
• Infinite lifegain
• Infinite lifegain triggers
• Infinite Treasure tokens
• Infinite untap of artifacts you control