Vesperlark, Phantasmal Image, and Phyrexian Altar

Prerequisites

• Vesperlark on the battlefield
• Phantasmal Image on the battlefield
• Phyrexian Altar on the battlefield

Steps

1. Activate Phyrexian Altar by sacrificing Phantasmal Image, adding one mana of any color
2. When Phantasmal Image dies, it triggers, returning itself from your graveyard to the battlefield as a copy of Vesperlark
3. Repeat

Results

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