Void Attendant, Rest in Peace, Phyrexian Altar, and Doubling Season

Prerequisites

• Void Attendant on the battlefield
• Rest in Peace on the battlefield
• Phyrexian Altar on the battlefield
• Doubling Season on the battlefield
• An opponent has a card in exile
• available

Steps

1. Activate Void Attendant by paying and putting a card an opponent owns from exile into their graveyard
2. The card is instead put back into exile due to Rest in Peace
3. Resolve the Void Attendant ability, creating two 1/1 Eldrazi Scion creature tokens
4. Activate Phyrexian Altar twice by sacrificing the Eldrazi Scions, adding
5. Repeat

Results

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