Verdant Succession, The Cauldron of Eternity, and Phyrexian Altar

Prerequisites

• Verdant Succession on the battlefield
• The Cauldron of Eternity on the battlefield
• Phyrexian Altar on the battlefield
• You control and own a green nontoken creature

Steps

1. Activate Phyrexian Altar by sacrificing the creature, adding one mana of any color
2. The Cauldron of Eternity and Verdant Succession both trigger
3. Resolve The Cauldron of Eternity trigger first, putting the creature on the bottom of your library
4. Resolve the Verdant Succession trigger, returning the creature to the battlefield
5. Repeat

Results

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