Sister Hospitaller, Carrion Feeder, and Werefox Bodyguard

Prerequisites

• Sister Hospitaller in hand
• Carrion Feeder on the battlefield
• Werefox Bodyguard in the graveyard
• available

Steps

1. Cast Sister Hospitaller by paying
2. When Sister Hospitaller enters, it triggers, returning Werefox Bodyguard from your graveyard to the battlefield and causing you to gain life equal to its mana value
3. When Werefox Bodyguard enters, it triggers, exiling Sister Hospitaller until Werefox Bodyguard leaves the battlefield
4. Activate Carrion Feeder by sacrificing Werefox Bodyguard
5. When Werefox Bodyguard leaves the battlefield, Sister Hospitaller is returned from exile to the battlefield
6. Repeat from step 2
7. Resolve all Carrion Feeder abilities

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite lifegain triggers
• Infinite lifegain
• Infinite +1/+1 counters on Carrion Feeder