Yomiji, Who Bars the Way, and Phyrexian Altar

Prerequisites

• Yomiji, Who Bars the Way on the battlefield
• Phyrexian Altar on the battlefield

Steps

1. Activate Phyrexian Altar by sacrificing the legendary creature, adding one mana
2. When that creature dies, Yomiji triggers, returning that card from your graveyard to your hand
3. Cast that creature by paying one mana
4. Repeat

Results

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