Primal Prayers, Guide of Souls, and Whitemane Lion

Prerequisites

• Primal Prayers on the battlefield
• Guide of Souls on the battlefield
• Whitemane Lion in hand

Steps

1. Cast Whitemane Lion by paying due to Primal Prayers, if able, or by paying its mana cost
2. When Whitemane Lion enters the battlefield, it and Guide of Souls trigger
3. Resolve the Guide of Souls trigger, causing you to get and gain 1 life
4. Resolve the Whitemane Lion trigger, returning it from the battlefield to your hand
5. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite lifegain triggers
• Infinite lifegain
• Infinite storm count