Enduring Renewal, Broodguard Elite, Workhorse, and Phyrexian Altar

Prerequisites

• Enduring Renewal on the battlefield
• Broodguard Elite in hand
• Workhorse on the battlefield
• Phyrexian Altar on the battlefield
• available

Steps

1. Cast Broodguard Elite for its warp cost by paying
2. Activate Phyrexian 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 Workhorse
5. Resolve the Enduring Renewal trigger, returning Broodguard Elite from your graveyard to your hand
6. Activate Workhorse by removing a +1/+1 counter from it, adding
7. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite storm count