Emiel the Blessed, Preston, the Vanisher, Delney, Streetwise Lookout, and Galazeth Prismari

Prerequisites

• Emiel the Blessed on the battlefield
• Preston, the Vanisher on the battlefield
• Delney, Streetwise Lookout on the battlefield
• Galazeth Prismari on the battlefield
• available

Steps

1. Activate Emiel the Blessed by paying , blinking Galazeth Prismari
2. When Galazeth Prismari enters the battlefield, it triggers once, and Preston triggers twice
3. Resolve the Galazeth Prismari trigger, creating a Treasure token
4. Resolve the first Preston trigger, creating a token copy of Galazeth Prismari that is a 0/1 Illusion
5. When the Galazeth Prismari token enters the battlefield, it triggers, creating a Treasure token
6. Repeat from step 4 for the remaining Preston trigger
7. Activate three Treasures by tapping and sacrificing them, adding
8. Repeat

Results

• Infinite creature tokens
• Infinite ETB
• Infinite LTB