Luminous Broodmoth + Dross Harvester + Downdraft + Phyrexian Altar

Prerequisites

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Steps

1. 1Activate Downdraft by paying , causing Luminous Broodmoth to lose flying until end of turn.
2. 2Activate Phyrexian Altar by sacrificing Luminous Broodmoth, adding .
3. 3Dross Harvester triggers, causing you to gain two life.
4. 4Luminous Broodmoth triggers, returning itself from your graveyard to the battlefield with a flying counter on it.
5. 5Repeat.

Effects

• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite lifegain
• Infinite lifegain triggers