Lazav, the Multifarious, Mirror-Mad Phantasm, and Jace, Wielder of Mysteries

Prerequisites

• Lazav, the Multifarious on the battlefield
• Mirror-Mad Phantasm in the graveyard
• Jace, Wielder of Mysteries on the battlefield
• available

Steps

1. Activate Lazav by paying , causing it to become a copy of Mirror-Mad Phantasm until end of turn
2. Activate Lazav using Mirror-Mad Phantasm's ability by paying , shuffling Lazav into your library and milling your library due to not having a card named Mirror-Mad Phantasm in it
3. Activate Jace's first loyalty ability by putting a loyalty counter on it, causing target player to mill two cards and you to win the game due to drawing from an empty library

Results

• Infinite self-mill
• Win the game