Felidar Guardian + Omni-Changeling

Felidar Guardian

Omni-Changeling

How it works

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