Luminous Broodmoth + Solemnity + Phyrexian Altar

Prerequisites

• You control at least one additional nontoken creature that does not have flying.

Steps

1. 1Activate Phyrexian Altar by sacrificing a creature without flying, adding one mana of any color.
2. 2When the creature dies, Luminous Broodmoth triggers, returning the creature from your graveyard to the battlefield without a flying counter on it due to Solemnity.
3. 3Repeat.

Effects

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