Blade of the Bloodchief, Triskelavus, and Ashnod's Altar

Prerequisites

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

Steps

1. Activate Ashnod's 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
5. Once you have infinite colorless mana, you may instead use the Triskelavite token's ability to sacrifice it, dealing infinite damage to any target(s)

Results

• Infinite colorless mana
• Infinite damage
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers