Felidar Guardian + Omni-Changeling

WU identity

Commander legal

The 2 combo pieces

• Felidar Guardian
• Omni-Changeling

How to execute it

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.

What the combo produces

• Infinite creature LTB
• Infinite ETB