Suncleanser, Luminous Broodmoth, and Phyrexian Altar

Prerequisites

• Suncleanser on the battlefield
• Luminous Broodmoth on the battlefield
• Phyrexian Altar on the battlefield
• undefined

Steps

1. Activate Phyrexian Altar by sacrificing Suncleanser, adding one mana of any color
2. When Suncleanser dies, Luminous Broodmoth triggers, returning Suncleanser from your graveyard to the battlefield with a flying counter on it
3. When Suncleanser enters the battlefield, it triggers, removing the flying counter from Suncleanser
4. Repeat

Results

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