How can you create a combo with Orvar, the All-Form, Whim of Volrath, Walk the Aeons?
user
[START OF COMBO]This combo can be formed with Orvar, the All-Form, Whim of Volrath, Walk the Aeons

Color identity: U
Mana cost: {10}{U} each turn
Steps:
  1. Activate an Island by tapping it, adding {U}.
  2. Cast Whim of Volrath with buyback by paying {2}{U}, targeting a basic Island.
  3. Orvar triggers, creating a copy of the basic Island.
  4. Resolve Whim of Volrath, returning it to your hand.
  5. Repeat two additional times.
  6. Activate an Island by tapping it, adding {U}.
  7. Cast Walk the Aeons with buyback by paying {4}{U}{U} and sacrificing three Islands, causing you to take an extra turn after this one and return  Walk the Aeons to your hand.
  8. Repeat each turn.[END OF COMBO STEPS]

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

Other prerequisites:
  - Orvar, the All-Form must be on the battlefield
  - Whim of Volrath must be in your hand
  - Walk the Aeons must be in your hand
  - You control a basic Island.
[END OF COMBO PREREQUISITES]
assistant