Triskelavus, True Conviction, Light of Promise, Chatterfang, Squirrel General, and Phyrexian Altar

Prerequisites

• Triskelavus on the battlefield
• True Conviction on the battlefield
• Light of Promise on the battlefield
• Chatterfang, Squirrel General on the battlefield
• Phyrexian Altar on the battlefield
• available

Steps

1. Activate Triskelavus by paying and removing a +1/+1 counter from it, creating two creature tokens
2. Activate a Triskelavite token by sacrificing it, dealing 1 damage to any target and causing you to gain life
3. Triskelavus triggers, putting a +1/+1 counter on it Activate Phyrexian Altar by sacrificing another creature token, adding one mana of any color Repeat from step 1

Results

• Infinite artifact ETB
• Infinite artifact LTB
• Infinite artifact sacrifice triggers
• Infinite creature LTB
• Infinite creature ETB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite damage
• Infinite lifegain triggers
• Infinite lifegain