How can you create a combo with Mirror-Mad Phantasm, Dermotaxi?
user
[START OF COMBO]This combo can be formed with Mirror-Mad Phantasm, Dermotaxi

Color identity: U
Mana cost: {1}{U}
Steps:
  1. Activate Dermotaxi by tapping two creatures you control, causing it to become a copy of Mirror-Mad Phantasm until end of turn.
  2. Activate Dermotaxi by paying {1}{U}, shuffling Dermotaxi into your library and milling your entire library due to it not having a card named Mirror-Mad Phantasm in it.[END OF COMBO STEPS]

Result:
  - Infinite self-mill[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Mirror-Mad Phantasm must be exiled
  - Dermotaxi must be on the battlefield
  - You control at least two untapped creatures.
[END OF COMBO PREREQUISITES]
assistant