Chatterfang, Squirrel General, Necrogenesis, Void Attendant, and Phyrexian Altar

Prerequisites

• Chatterfang, Squirrel General on the battlefield
• Necrogenesis on the battlefield
• Void Attendant on the battlefield
• Phyrexian Altar on the battlefield
• An opponent has a creature card in their graveyard
• available

Steps

1. Activate Necrogenesis by paying , exling a creature card from an opponent's graveyard and creating a 1/1 Saproling and a 1/1 Squirrel creature token
2. Activate Phyrexian Altar twice by sacrificing the Saproling and Squirrel, adding
3. Activate Void Attendant by paying and putting a card from an opponent's exile into their graveyard, creating a 1/1 Eldrazi Scion and a 1/1 Squirrel creature token
4. Activate Phyrexian Altar twice by sacrificing the Eldrazi Scion and Squirrel, adding
5. Repeat

Results

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