Jackdaw Savior, Loyal Retainers, and Spawning Pit

Prerequisites

• Jackdaw Savior on the battlefield
• Loyal Retainers in the graveyard
• Spawning Pit on the battlefield

Steps

1. During your precombat main phase, activate Spawning Pit by sacrificing the legendary creature with flying
2. When the creature dies, Jackdaw Savior triggers, returning Loyal Retainers from your graveyard to the battlefield
3. Resolve the Spawning Pit ability Activate Loyal Retainers by sacrificing it, returning the legendary creature with flying from your graveyard to the battlefield
4. Repeat

Results

• Infinite charge counters on a permanent
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers