Nim Deathmantle + Ashnod's Altar + Voracious Vermin

Prerequisites

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Steps

1. 1Activate Ashnod's Altar by sacrificing Voracious Vermin, adding .
2. 2When Voracious Vermin dies, it and Nim Deathmantle triggers.
3. 3Resolve the Voracious Vermin 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 Voracious Vermin 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