Verdant Succession, Worldspine Wurm, and Phyrexian Altar

Prerequisites

• Verdant Succession on the battlefield
• Worldspine Wurm on the battlefield
• Phyrexian Altar on the battlefield

Steps

1. Activate Phyrexian Altar by sacrificing Worldspire Wurm, adding one mana of any color
2. Worldspire Wurm dies, triggering itself and Verdant Succession
3. Resolve the Worldspire Wurm trigger, shuffling it into your library
4. Resolve the Verdant Succession trigger, searching your library for Worldspire Wurm, putting it onto the battlefield and shuffling your library
5. Repeat

Results

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