Gravecrawler, Ashnod's Altar, Anax, Hardened in the Forge, and Gemstone Array

Prerequisites

• Gravecrawler on the battlefield
• Ashnod's Altar on the battlefield
• Anax, Hardened in the Forge on the battlefield
• Gemstone Array on the battlefield
• You control an additional Zombie

Steps

1. Activate Ashnod's Altar by sacrificing Gravecrawler, adding
2. Anax triggers, creating a 1/1 Satyr creature token
3. Activate Gemstone Array by paying , putting a charge counter on it
4. Activate Gemstone Array by removing a charge counter, adding
5. Cast Gravecrawler from your graveyard by paying
6. Repeat any number of times
7. Activate Ashnod's Altar any number of times by sacrificing any number of Satyr tokens, adding any amount of colorless mana
8. Activate Gemstone Array any number of times by paying any amount of colorless mana, adding any number of charge counters
9. Activate Gemstone Array any number of times by removing any number of charge counters, adding any amount of colored mana

Results

• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite lifeloss
• Infinite LTB
• Infinite sacrifice triggers
• Infinite storm count
• Infinite colorless mana