How can you create a combo with Astral Dragon, Journey to Nowhere?
user
[START OF COMBO]This combo can be formed with Astral Dragon, Journey to Nowhere

Color identity: WU
Mana cost: {6}{U}{U}
Steps:
  1. Cast Astral Dragon by paying {6}{U}{U}.
  2. Astral Dragon enters the battlefield, creating two token copies of Journey to Nowhere that are 3/3 Dragons in addition to their other types.
  3. The Journey to Nowhere tokens enter the battlefield, triggering their first abilities.
  4. Resolve the first Journey to Nowhere token's trigger, exiling Astral Dragon.
  5. Resolve the second Journey to Nowhere token's trigger, exiling the first Journey to Nowhere token.The first Journey to Nowhere token leaves the battlefield, returning Astral Dragon from exile to the battlefield.
  6. Repeat from step 2.[END OF COMBO STEPS]

Result:
  - Infinite creature tokens
  - Infinite enters the battlefield
  - Infinite leaves the battlefield[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Astral Dragon must be in your hand
  - Journey to Nowhere must be on the battlefield
[END OF COMBO PREREQUISITES]
assistant