Teferi, Master of Time + Ichormoon Gauntlet + Oath of Teferi

Prerequisites

You control at least two other planeswalkers. Teferi has an amount of loyalty counters on it equal to eleven minus twice the number of other planeswalkers you control.

Steps

1. Activate Teferi by putting zero loyalty counters on it, putting a loyalty counter on itself.
2. Repeat step 1 twice for each other planeswalker you control.
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. Move to your first extra turn.
5. Repeat steps 1 and 2.
6. Move to your second extra turn.
7. Repeat.