Hell's Caretaker, Teardrop Kami, and Blight Mound

Prerequisites

• Hell's Caretaker on the battlefield
• Teardrop Kami on the battlefield
• Blight Mound on the battlefield
• Hell's Caretaker does not have summoning sickness
• It is your upkeep step

Steps

1. During your upkeep, activate Teardrop Kami by sacrificing it, targeting Hell's Caretaker
2. When Teardrop Kami dies, Blight Mound triggers, creating a 1/1 Pest creature token
3. Resolve the Teardrop Kami trigger, untapping Hell's Caretaker
4. Activate Hell's Caretaker by tapping it and sacrificing the Pest, targeting Teardrop Kami
5. When the Pest dies, it triggers, causing you to gain 1 life
6. Resolve the Hell's Caretaker ability, returning Teardrop Kami from your graveyard to the battlefield
7. Repeat

Results

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