Felidar Guardian + Mirrorhall Mimic // Ghastly Mimicry

WU identity

Commander legal

The 2 combo pieces

• Felidar Guardian
• Mirrorhall Mimic // Ghastly Mimicry

How to execute it

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

What the combo produces

• Infinite creature LTB
• Infinite ETB