Nick Valentine, Private Eye, Displaced Dinosaurs, Academy Manufactor, and The Fire Crystal

Prerequisites

• Nick Valentine, Private Eye on the battlefield
• Displaced Dinosaurs on the battlefield
• Academy Manufactor on the battlefield
• The Fire Crystal on the battlefield

Steps

1. Cause another artifact creature you control to die
2. When the artifact creature dies, Nick Valentine triggers, creating a Clue, Food and Treasure token due to Academy Manufactor
3. As the Clue, Food and Treasure enter, they each become 7/7 Dinosaur artifact creatures in addition to their other types due to Displaced Dinosaurs
4. Activate the Treasure by tapping and sacrificing it, adding one mana of any color
5. Repeat from step 2

Results

• Infinite Clue tokens
• Infinite Food tokens
• Infinite artifact ETB
• Infinite artifact LTB
• Infinite artifact sacrifice triggers
• Infinite artifact tokens
• Infinite card draw
• Infinite colored mana
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite creature tokens with haste
• Infinite death triggers
• Infinite draw triggers
• Infinite lifegain
• Infinite lifegain triggers