Felidar Guardian + Clever Impersonator

Prerequisites

• You have enough mana to cast Clever Impersonator.

Steps

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

Effects

• Infinite ETB
• Infinite LTB