Arahbo, the First Fang, Whitemane Lion, Phyrexian Altar, and Blessed Sanctuary

Prerequisites

• Arahbo, the First Fang on the battlefield
• Whitemane Lion in hand
• Phyrexian Altar on the battlefield
• Blessed Sanctuary on the battlefield
• available

Steps

1. Cast Whitemane Lion by paying
2. When Whitemane Lion enters the battlefield, it, Blessed Sanctuary and Arahbo trigger
3. Resolve the Whitemane Lion trigger, returning it from the battlefield to your hand
4. Resolve the Arahbo trigger, creating a 1/1 Cat creature token
5. Resolve the Blessed Sanctuary trigger, creating a 2/2 Unicorn creature token
6. Activate Phyrexian Altar twice by sacrificing the Cat and Unicorn, adding
7. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite storm count