Shalai and Hallar, and Light of Promise

Prerequisites

• Shalai and Hallar on the battlefield
• Light of Promise on the battlefield

Steps

1. Gain life by any method
2. Shalai and Hallar triggers, putting a +1/+1 counter on it
3. Shalai and Hallar triggers, dealing 1 damage to an opponent and causing you to gain at least 1 life
4. Repeat from step 2

Results

• Infinite damage
• Infinite lifegain triggers
• Infinite lifegain
• Infinite +1/+1 counters