Aminatou, the Fateshifter, Teferi, Master of Time, and Ichormoon Gauntlet

Prerequisites

• Aminatou, the Fateshifter on the battlefield
• Teferi, Master of Time on the battlefield
• Ichormoon Gauntlet on the battlefield
• Teferi has at least eight loyalty counters on it
• You control at least three additional planeswalkers

Steps

1. Activate a planeswalker you control by putting zero loyalty counters on it, putting a loyalty counter on each planeswalker you control
2. Repeat step 1 two additional times
3. Activate Teferi's third loyalty ability by removing ten loyalty counters from it, causing you to take two extra turns after this one
4. Activate Aminatou's second loyalty ability by removing a loyalty counter from it, blinking Teferi
5. Activate Teferi's first loyalty ability by putting a loyalty counter on it, causing you to loot
6. Move to your first extra turn
7. Activate Teferi's first loyalty ability by putting a loyalty counter on it, causing you to loot
8. Repeat step 1 three additional times
9. Move to your second extra turn
10. Repeat

Results

• Infinite turns