Body Launderer, Sister Hospitaller, and Bloodthrone Vampire

Prerequisites

• Body Launderer on the battlefield
• Sister Hospitaller on the battlefield
• Bloodthrone Vampire on the battlefield

Steps

1. Activate Bloodthrone Vampire by sacrificing Sister Hospitaller
2. When Sister Hospitaller dies, Body Launderer's first ability triggers, causing Body Launderer to connive
3. Resolve the Bloodthrone Vampire ability
4. Activate Bloodthrone Vampire by sacrificing Body Launderer
5. When Body Launderer dies, its second ability triggers, returning Sister Hospitaller from your graveyard to the battlefield
6. When Sister Hospitaller enters, it triggers, returning Body Launderer from your graveyard to the battlefield and causing you to gain 4 life
7. Resolve the Bloodthrone Vampire ability
8. Repeat

Results

• Infinite draw triggers
• Infinite looting
• Infinite self-discard triggers
• Near-infinite creature ETB
• Near-infinite creature LTB
• Near-infinite creature sacrifice triggers
• Near-infinite death triggers
• Near-infinite lifegain
• Near-infinite lifegain triggers
• Near-infinitely large creature until end of turn