How can you create a combo with Diamond Valley, Serra Avatar, Vito, Thorn of the Dusk Rose?
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[START OF COMBO]This combo can be formed with Diamond Valley, Serra Avatar, Vito, Thorn of the Dusk Rose

Color identity: WB
Mana cost: 
Steps:
  1. Activate Diamond Valley by tapping it and sacrificing Serra Avatar, causing you to gain life equal to Serra Avatar's power.
  2. Vito triggers, causing target opponent whose lifetotal is less than or equal to Serra Avatar's power to lose life equal to the life you gained.
  3. The opponent loses the game due to having zero or less life.[END OF COMBO STEPS]

Result:
  - Near-infinite lifegain
  - Near-infinite lifeloss for target opponent
  - Target opponent loses the game[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Your life total is higher than or equal to an opponent's.
[END OF COMBO PREREQUISITES]
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