Mirrorhall Mimic // Ghastly Mimicry + Felidar Guardian

Prerequisites

• You have enough mana to cast Mirrorhall Mimic.

Steps

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

Effects

• Infinite ETB
• Infinite LTB