Whirler Virtuoso, Decoction Module, and Astral Dragon

Prerequisites

• Whirler Virtuoso on the battlefield
• Decoction Module on the battlefield
• Astral Dragon in hand
• available

Steps

1. Cast Astral Dragon by paying
2. When Astral Dragon enters the battlefield, it and Decoction Module trigger
3. Resolve the Decoction Module trigger, causing you to get
4. Resolve the Astral Dragon trigger, causing you to create two token copies of Decoction Module that are 3/3 Dragons in addition to their other types
5. When the Decoction Module tokens enter the battlefield, each Decoction Module triggers twice, causing you to get six
6. Activate Whirler Virtuoso by paying , creating a 1/1 Thopter artifact creature token
7. When the Thopter enters the battlefield, each Decoction Module triggers, causing you to get
8. Repeat from step 6

Results

• Infinite creature tokens
• Infinite ETB