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

Prerequisites

• Aminatou has at least two loyalty counters on it.

Steps

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

Effects

• Infinite turns
• Lock