How can you create a combo with Laboratory Maniac, Thought Lash?
user
[START OF COMBO]This combo can be formed with Laboratory Maniac, Thought Lash

Color identity: U
Mana cost: 
Steps:
  1. Move to your turn.
  2. At the beginning of your upkeep, Thought Lash triggers.
  3. Choose not to pay for the Thoughtlash trigger, sacrificing Thought Lash.
  4. Thought Lash triggers, exiling your library.
  5. Move to your draw step, winning the game.[END OF COMBO STEPS]

Result:
  - Win the game[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - It is the endstep before your turn.
[END OF COMBO PREREQUISITES]
assistant