Mortuary + Narcomoeba + Undercity Informer + Pitiless Plunderer

Prerequisites

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Steps

1. 1Activate Undercity Informer by paying and sacrificing Narcomoeba.
2. 2When Narcomoeba dies, Mortuary and Pitiless Plunderer trigger.
3. 3Resolve the Mortuary trigger, putting Narcomoeba on top of your library from your graveyard.
4. 4Resolve the Pitiless Plunderer trigger, creating a Treasure token.
5. 5Resolve the Undercity Informer ability, causing you to put Narcomoeba into your graveyard from the top of your library.
6. 6Narcomoeba triggers, returning itself to the battlefield from your graveyard.
7. 7Activate the Treasure by tapping and sacrificing it, adding .
8. 8Repeat.

Effects

• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite self-mill