Bhaal, Lord of Murder, Bloodsoaked Champion, Crystalline Crawler, and Ashnod's Altar

Prerequisites

• Bhaal, Lord of Murder on the battlefield
• Bloodsoaked Champion on the battlefield
• Crystalline Crawler on the battlefield
• Ashnod's Altar on the battlefield
• You have attacked this turn

Steps

1. Activate Ashnod's Altar by sacrificing Bloodsoaked Champion, adding
2. When Bloodsoaked Champion dies, Bhaal triggers, putting a +1/+1 counter on Crystalline Crawler and goading it
3. Activate Crystalline Crawler's first ability by removing a +1/+1 counter from it, adding
4. Activate Bloodsoaked Champion by paying , returning it from your graveyard to the battlefield tapped
5. Repeat

Results

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