Chronozoa, Solemnity, and Phyrexian Altar

Prerequisites

• Chronozoa in hand
• Solemnity on the battlefield
• Phyrexian Altar on the battlefield
• available

Steps

1. Cast Chronozoa by paying
2. Activate Phyrexian Altar by sacrificing Chronozoa, adding one mana of any color
3. Chronozoa dies, triggers itself, creating two token copy of Chronozoa
4. Activate Phyrexian Altar by sacrificing token copy of Chronozoa, adding one mana of any color
5. Repeat from step 3

Results

• Infinite colorless mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite tokens