Nim Deathmantle + Ashnod's Altar + Ambitious Aetherborn

Prerequisites

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Steps

1. 1Activate Ashnod's Altar by sacrificing Ambitious Aetherborn, adding .
2. 2When Ambitious Aetherborn dies, Nim Deathmantle triggers, causing you to pay to return Ambitious Aetherborn from your graveyard to the battlefield, and attach Nim Deathmantle to it.
3. 3When Ambitious Aetherborn enters the battlefield, its fabricate ability triggers, creating a 1/1 Servo artifact creature token.
4. 4Activate Ashnod's Altar by sacrificing the Servo, adding .
5. 5Repeat.

Effects

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