Enduring Renewal, Priest of Urabrask, and Yahenni, Undying Partisan

Prerequisites

• Enduring Renewal on the battlefield
• Priest of Urabrask in hand
• Yahenni, Undying Partisan on the battlefield
• available

Steps

1. Cast Priest of Urabrask by paying its mana cost
2. When Priest of Urabrask enters, it triggers, adding
3. Activate Yahenni by sacrificing Priest of Urabrask
4. When Priest of Urabrask dies, Enduring Renewal triggers, returning Priest of Urabrask from your graveyard to your hand
5. Resolve the Yahenni ability, giving Yahenni indestructible until end of turn
6. Repeat

Results

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