Mirror-Mad Phantasm and Mirage Mirror on the battlefield.
({3} magic symbol) ({U} magic symbol) available.
Steps
Activate Mirage Mirror by paying ({2} magic symbol) , causing it to become a copy of Mirror-Mad Phantasm until end of turn.
Activate Mirage Mirror by paying ({1} magic symbol) ({U} magic symbol) , shuffling Mirage Mirror into your library and milling your entire library due to it not having a card named Mirror-Mad Phantasm in it.