Jetfire, Ingenious Scientist // Jetfire, Air Guardian, Cult of the Waxing Moon, and Chromatic Orrery

Prerequisites

• Jetfire, Ingenious Scientist // Jetfire, Air Guardian on the battlefield
• Cult of the Waxing Moon on the battlefield
• Chromatic Orrery on the battlefield
• Jetfire has at least three +1/+1 counters on it

Steps

1. Activate Jetfire, Ingenious Scientist by removing all +1/+1 counters from it, adding at least and converting it
2. Cult of the Waxing Moon triggers, creating a 2/2 Wolf creature token
3. Activate Jetfire, Air Guardian by paying , converting it and putting three +1/+1 counters on it
4. Cult of the Waxing Moon triggers, creating a 2/2 Wolf creature token
5. Repeat

Results

• Infinite creature tokens
• Infinite ETB