Nim Deathmantle, Ashnod's Altar, Prosperous Innkeeper, and Anointed Procession

Prerequisites

• Nim Deathmantle on the battlefield
• Ashnod's Altar on the battlefield
• Prosperous Innkeeper on the battlefield
• Anointed Procession on the battlefield
• available

Steps

1. Activate Ashnod's Altar by sacrificing Prosperous Innkeeper, adding
2. When Prosperous Innkeeper dies, Nim Deathmantle triggers, causing you to pay to return Prosperous Innkeeper from your graveyard to the battlefield, and attach Nim Deathmantle to it
3. When Prosperous Innkeeper enters the battlefield, it triggers, creating two Treasure artifact tokens
4. Activate the Treasures by tapping and sacrificing them, adding
5. Repeat

Results

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