How can you create a combo with Urborg, Tomb of Yawgmoth, Kormus Bell, Aether Flash?
user
[START OF COMBO]This combo can be formed with Urborg, Tomb of Yawgmoth, Kormus Bell, Aether Flash

Color identity: R
Mana cost: 
Steps:
  1. Whenever a land enters the battlefield, it enters as a 1/1 Swamp creature due to Urborg and Kormus Bell.
  2. Aether Flash triggers, dealing 2 damage to the land.
  3. The land dies as a state-based action due to having less than zero toughness.[END OF COMBO STEPS]

Result:
  - Destroy all lands that enter the battlefield[END OF COMBO RESULT][END OF COMBO]

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