How can you create a combo with Phantom Steed, Time Walk, Eternal Witness?
user
[START OF COMBO]This combo can be formed with Phantom Steed, Time Walk, Eternal Witness

Color identity: GU
Mana cost: {1}{U}
Steps:
  1. Cast Time Walk, taking an extra turn after this one.
  2. Attack with Phantom Steed.
  3. Phantom Steed triggers, creating a token copy of Eternal Witness that is tapped and attacking.
  4. Eternal Witness enters, returning Time Walk from your graveyard to your hand.
  5. Pass the turn.
  6. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite turns[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Phantom Steed must be on the battlefield
  - Time Walk must be in your hand
  - Eternal Witness must be exiled
  - An opponent can not block Phantom Steed.
[END OF COMBO PREREQUISITES]
assistant