Sekki, Seasons' Guide, One with the Kami, and Bloodthrone Vampire

Prerequisites

• Sekki, Seasons' Guide on the battlefield
• One with the Kami on the battlefield
• Bloodthrone Vampire on the battlefield

Steps

1. Activate Bloodthrone Vampire by sacrificing Sekki When Sekki dies, One with the Kami triggers, creating at least eight 1/1 Spirit creature tokens
2. Resolve the Bloodthrone Vampire ability
3. Activate Sekki by sacrificing eight Spirits, returning it from your graveyard to the battlefield
4. Repeat

Results

• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinitely large creature until end of turn