Sakashima the Impostor + Felidar Guardian

Sakashima the Impostor

Felidar Guardian

How it works

1. Cast Sakashima the Impostor by paying its mana cost, choosing to have it enter the battlefield as a copy of Felidar Guardian
2. When Sakashima the Impostor enters the battlefield, it triggers, blinking Felidar Guardian.
3. When Felidar Guardian enters the battlefield, it triggers, blinking Sakashima the Impostor. Choose to have Sakashima the Impostor enter the battlefield as a copy of Felidar Guardian.
4. Repeat from step 2.