Requiem Angel, and Tooth and Claw

Prerequisites

• Requiem Angel on the battlefield
• Tooth and Claw on the battlefield
• You control at least one additional non-Spirit creature and an additional creature of any type

Steps

1. Activate Tooth and Claw by sacrificing a non-Spirit creature and any additional creature
2. Requiem Angel triggers at least once, creating at least one 1/1 Spirit creature token with flying
3. Resolve Tooth and Claw's ability, creating a 3/1 creature token named Carnivore
4. Repeat

Results

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