Vishgraz, the Doomhive, Nim Deathmantle, and Phyrexian Altar

Prerequisites

• Vishgraz, the Doomhive on the battlefield
• Nim Deathmantle on the battlefield
• Phyrexian Altar on the battlefield
• available

Steps

1. Activate Phyrexian Altar by sacrificing Vishgraz, adding
2. Vishgraz dies, triggering Nim Deathmantle, causing you to pay to return Vishgraz from your graveyard to the battlefield, and attach Nim Deathmantle to it
3. Vishgraz enters the battlefield, creating three 1/1 Phyrexian Mite creature tokens
4. Activate Phyrexian Altar three times by sacrificing the Phyrexian Mites, adding
5. Repeat

Results

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