Admonition Angel + Ashaya, Soul of the Wild + Detention Sphere + Oblivion Ring

Admonition Angel

Ashaya, Soul of the Wild

Detention Sphere

Oblivion Ring

How it works

1. Cast Ashaya.
2. Admonition Angels landfall ability triggers, exiling Detention Sphere.
3. Detention Sphere's LTB triggers, returning Oblivion Ring to the battlefield.
4. Oblivion Ring's ETB triggers, exiling Admotion Angel.
5. Admonition Angel's LTB triggers, returning Detention Sphere to the battlefield.
6. Detention Sphere's ETB triggers, exiling Oblivion Ring.
7. Oblivion Ring's LTB triggers, returning Admonition Angel to the battlefield.
8. Admonition Angel's landfall ability triggers, exiling Detention Sphere.
9. Repeat.