Frodo, Sauron's Bane, Yomiji, Who Bars the Way, and Phyrexian Altar

Prerequisites

• Frodo, Sauron's Bane on the battlefield
• Yomiji, Who Bars the Way on the battlefield
• Phyrexian Altar on the battlefield

Steps

1. Activate Phyrexian Altar by sacrificing Frodo, adding
2. When Frodo dies, Yomiji triggers, returning Frodo from your graveyard to your hand
3. Cast Frodo by paying
4. Repeat

Results

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