Aminatou, the Fateshifter, Venser, the Sojourner, Teferi, Timebender, and Resourceful Defense

Prerequisites

• Aminatou, the Fateshifter on the battlefield
• Venser, the Sojourner on the battlefield
• Teferi, Timebender on the battlefield
• Resourceful Defense on the battlefield
• Aminatou has at least two loyalty counters on it

Steps

1. Activate Venser's first loyalty ability by putting two loyalty counters on it, exiling any other permanent you control
2. Activate Aminatou's second loyalty ability by removing a loyalty counter from it, blinking Venser
3. When Venser leaves the battlefield, Resourceful Defense triggers, putting at least five loyalty counters on Teferi
4. Activate Venser's first loyalty ability by putting two loyalty counters on it, exiling Aminatou
5. When Aminatou leaves the battlefield, Resourceful Defense triggers, putting at least two loyalty counters on Teferi
6. Activate Teferi's third loyalty ability by removing nine loyalty counters from it, causing you to take an extra turn after this one
7. At the beginning of your end step, Venser triggers twice, returning Aminatou and the other permanent exiled with it to the battlefield
8. Repeat each turn

Results

• Infinite turns