Sidisi, Regent of the Mire, Sister Hospitaller, Shilgengar, Sire of Famine, and Coercive Recruiter

Prerequisites

• Sidisi, Regent of the Mire on the battlefield
• Sister Hospitaller in the graveyard
• Shilgengar, Sire of Famine on the battlefield
• Coercive Recruiter on the battlefield

Steps

1. Activate Sidisi by tapping it and sacrificing Coercive Recruiter, returning Sister Hospitaller from your graveyard to the battlefield
2. When Sister Hospitaller enters the battlefield, it triggers, returning Coercive Recruiter from your graveyard to the battlefield and causing you to gain 5 life
3. When Coercive Recruiter enters the battlefield, it triggers, untapping Sidisi
4. Activate Shilgengar by sacrificing Sister Hospitaller
5. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite lifegain triggers
• Infinite lifegain
• Infinite Blood tokens