Guide of Souls, Invisible Woman, Sue Storm, and Light of Promise

Prerequisites

• Guide of Souls on the battlefield
• Invisible Woman, Sue Storm on the battlefield
• Light of Promise on the battlefield

Steps

1. Gain life
2. The other Hero triggers, putting a +1/+1 counter on it Invisible Woman triggers, creating a creature token
3. When the creature token enters the battlefield, Guide of Souls triggers, causing you to gain 1 life and get Repeat from step 2

Results

• Infinite +1/+1 counters on a creature
• Infinite ETB
• Infinite creature tokens
• Infinite lifegain
• Infinite lifegain triggers
• Infinite energy counters