Murderous Redcap, Luminous Broodmoth, and Phyrexian Altar

Prerequisites

• Murderous Redcap on the battlefield
• Luminous Broodmoth on the battlefield
• Phyrexian Altar on the battlefield

Steps

1. Sacrifice Murderous Redcap to Phyrexian Altar to add one mana of any color
2. Return Murderous Redcap to the battlefield with the persist trigger, giving it a -1/-1 counter
3. Sacrifice Murderous Redcap to Phyrexian Altar to add one mana of any color
4. Return Murderous Redcap to the battlefield with the Luminous Broodmoth trigger, giving it a flying counter
5. Repeat

Results

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