Prerequisites
- Basking Broodscale on the battlefield
 - Sunbond on the battlefield
 - Angelic Chorus on the battlefield
 
Steps
- Gain life
 - Basking Broodscale triggers, putting a +1/+1 counter on itself
 - Basking Broodscale triggers, creating a creature token
 - When the creature token enters the battlefield, Angelic Chorus triggers, causing you to gain 1 life
 - Repeat from step 2
 
Results
- Infinite ETB
 - Infinite lifegain triggers
 - Infinite lifegain
 - Infinite creature tokens
 - Infinite +1/+1 counters on a creature
 
Required Cards 3

Basking Broodscale
Creature — Eldrazi Lizard

Sunbond
Enchantment — Aura

Angelic Chorus
Enchantment