Gonti's Aether Heart, Whirler Virtuoso, and Kaya, Geist Hunter

Prerequisites

• Gonti's Aether Heart on the battlefield
• Whirler Virtuoso on the battlefield
• Kaya, Geist Hunter on the battlefield

Steps

1. Activate Kaya's second loyalty ability by removing two loyalty counters from it, causing you to double any tokens you create this turn
2. Activate Whirler Virtuoso by paying , creating two 1/1 Thopter artifact creature tokens due to Kaya, Geist Hunter
3. When the tokens enter, Gonti's Aether Heart triggers twice, causing you to get
4. Repeat from step 2

Results

• Infinite ETB
• Infinite creature tokens
• Infinite energy counters