How can you create a combo with Enchanted Evening, Opalescence?
user
[START OF COMBO]This combo can be formed with Enchanted Evening, Opalescence

Color identity: WU
Mana cost: 
Steps:
  1. All permanents become enchantment creatures with power and toughness equal to their mana value.
  2. All permanents with a mana value of zero will be destroyed due to having zero toughness.[END OF COMBO STEPS]

Result:
  - Destroy all permanents with a mana value of zero
  - Permanents with a mana value of zero are destroyed upon enters the battlefield[END OF COMBO RESULT][END OF COMBO]

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