Nim Deathmantle + Ashnod's Altar + Thopter Mechanic

Prerequisites

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Steps

1. 1Activate Ashnod's Altar by sacrificing Thopter Mechanic, adding .
2. 2Thopter Mechanic dies, triggering itself and Nim Deathmantle.
3. 3Resolve the Thopter Mechanic trigger, creating a 1/1 Thopter artifact creature token.
4. 4Activate Ashnod's Altar by sacrificing the Thopter, adding .
5. 5Resolve the Nim Deathmantle trigger from step 2, causing you to pay to return Thopter Mechanic 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