Aminatou, the Fateshifter + Spark Double + Altar of the Brood

Prerequisites

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Steps

1. 1Activate Aminatou's second loyalty ability by removing a loyalty counter from it, blinking Spark Double.
2. 2Spark Double enters the battlefield as a non-legendary copy of Aminatou.
3. 3Altar of the Brood triggers, causing each opponent to mill one card.
4. 4Activate Spark Double's second loyalty ability by removing a loyalty counter from it, blinking Aminatou.
5. 5Aminatou enters the battlefield, triggering Altar of the Brood, causing each opponent to mill one card.
6. 6Repeat.

Effects

• Infinite ETB
• Infinite LTB
• Infinite mill