Mirror-Mad Phantasm, and Sakashima the Impostor

Prerequisites

• Mirror-Mad Phantasm in hand or on the battlefield or in the command zone or in exile or in the graveyard
• Sakashima the Impostor on the battlefield
• Sakashima the Impostor is a copy of Mirror-Mad Phantasm
• available

Steps

1. Activate Sakashima the Impostor by paying , shuffling Sakashima the Impostor into your library and milling your entire library due to it not having a card named Mirror-Mad Phantasm in it

Results

• Infinite self-mill