Totentanz, Swarm Piper + Nim Deathmantle + Ashnod's Altar

Prerequisites

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Steps

1. 1Activate Ashnod's Altar by sacrificing Totentanz, adding .
2. 2When Totentanz dies, it and Nim Deathmantle triggers.
3. 3Resolve the Totentanz trigger, creating a 1/1 Rat creature token.
4. 4Activate Ashnod's Altar by sacrificing the Rat, adding .
5. 5Resolve the Nim Deathmantle trigger from step 2, causing you to pay to return Totentanz from your graveyard to the battlefield, and attach Nim Deathmantle to it.
6. 6Repeat.

Effects

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