Hell's Caretaker, and Thornbite Staff

Prerequisites

• Hell's Caretaker on the battlefield
• Thornbite Staff on the battlefield
• Thornbite Staff attached to Hell's Caretaker
• You control at least one creature
• You have at least one creature card in your graveyard
• Hell's Caretaker does not have summoning sickness

Steps

1. During your upkeep, activate Hell's Caretaker by sacrificing a creature you control
2. Thornbite Staff triggers, untapping Hell's Caretaker
3. Resolve the Hell's Caretaker's ability, returning any target creature from your graveyard to the battlefield
4. Repeat

Results

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