Aminatou, the Fateshifter + Spark Double + Oath of Teferi

Prerequisites

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Steps

1. 1Activate Aminatou's second loyalty ability by removing a loyalty counter from them, blinking a permanent you own.
2. 2Activate Aminatou's second loyalty ability by removing a loyalty counter from them, blinking Spark Double and choosing to have it enter as a non-legendary copy of Aminatou.
3. 3Activate Spark Double's second loyalty ability by removing a loyalty counter from it, blinking a permanent you own.
4. 4Activate Spark Double's second loyalty ability by removing a loyalty counter from it, blinking Aminatou.
5. 5Repeat.

Effects

• Infinite blinking of permanents
• Infinite ETB
• Infinite LTB
• Infinite mana lands you control can produce