Requiem Angel, Conspiracy, and Yahenni, Undying Partisan

Prerequisites

• Requiem Angel on the battlefield
• Conspiracy on the battlefield
• Yahenni, Undying Partisan on the battlefield

Steps

1. Activate Yahenni by sacrificing another creature
2. When the creature dies, Requiem Angel triggers, creating a 1/1 Soldier creature token
3. The token won't be a Soldier due to Conspiracy
4. Resolve the Yahenni ability, giving Yahenni indestructible until end of turn
5. Repeat

Results

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