Lumbering Battlement, Restoration Angel, and Aminatou, the Fateshifter

Prerequisites

• Lumbering Battlement on the battlefield
• Restoration Angel in exile
• Aminatou, the Fateshifter on the battlefield

Steps

1. Activate Animatou's second loyalty ability by removing a loyalty counter from it, blinking Lumbering Battlement
2. Lumbering Battlement leaves the battlefield, causing Restoration Angel to return to the battlefield
3. Restoration Angel and Lumbering Battlement enter the battlefield, triggering their abilities
4. Resolve the Lumbering Battlement trigger, exiling Restoration Angel until Lumbering Battlement leaves the battlefield
5. Resolve the Restoration Angel trigger, blinking Lumbering Battlement
6. Repeat from step 2

Results

• Infinite blinking
• Infinite ETB
• Infinite LTB