Blade of the Bloodchief, Triskelavus, and Phyrexian Altar

Prerequisites

• Blade of the Bloodchief on the battlefield
• Triskelavus on the battlefield
• Phyrexian Altar on the battlefield
• Blade of the Bloodchief attached to Triskelavus
• You control at least one additional creature

Steps

1. Activate Phyrexian Altar by sacrificing another creature, adding
2. When the creature dies, Blade of the Bloodchief triggers, putting a +1/+1 counter on Triskelavus
3. Activate Triskelavus by paying and removing a +1/+1 counter from it, creating a 1/1 Triskelavite artifact creature token
4. Repeat

Results

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