Enduring Renewal, Broodguard Elite, Crystalline Crawler, and Ashnod's Altar

Prerequisites

• Enduring Renewal on the battlefield
• Broodguard Elite in hand
• Crystalline Crawler on the battlefield
• Ashnod's Altar on the battlefield
• available

Steps

1. Cast Broodguard Elite for its warp cost by paying
2. Activate Ashnod's Altar by sacrificing Broodguard Elite, adding
3. When Broodguard Elite dies, it and Enduring Renewal trigger
4. Resolve the Broodguard Elite trigger, putting a +1/+1 counter on Crystalline Crawler
5. Resolve the Enduring Renewal trigger, returning Broodguard Elite from your graveyard to your hand
6. Activate Crystalline Crawler by removing a +1/+1 counter from it, adding
7. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite colorless mana
• Infinite storm count
• Infinite colored mana
• Infinite +1/+1 counters