How can you create a combo with Underworld Breach, Lion's Eye Diamond, Ambassador Laquatus?
user
[START OF COMBO]This combo can be formed with Underworld Breach, Lion's Eye Diamond, Ambassador Laquatus

Color identity: UR
Mana cost: 
Steps:
  1. Sacrifice Lion's Eye Diamond producing {3}.
  2. Activate Ambassador Laquatus's ability for 3 milling 3 cards.
  3. Cast Lion's Eye Diamond for its escape cost with Underworld Breach, exiling the 3 cards milled by Laquatus.
  4. Repeat the cycle until you've milled yourself out.[END OF COMBO STEPS]

Result:
  - Mill your entire library[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
[END OF COMBO PREREQUISITES]
assistant