How can you create a combo with Sharuum the Hegemon, Body Double?
user
[START OF COMBO]This combo can be formed with Sharuum the Hegemon, Body Double

Color identity: WUB
Mana cost: {4}{U}
Steps:
  1. Cast Body Double by paying {4}{U}.
  2. Body Double enters as a copy of Sharuum, returning Sharuum from your graveyard to the battlefield.
  3. Put Sharuum into the graveyard due to the legend rule.
  4. Sharuum's enter the battlefield triggers, returning itself from your graveyard to the battlefield.
  5. Repeat from step 3.[END OF COMBO STEPS]

Result:
  - Infinite enters the battlefield
  - Infinite leaves the battlefield[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Sharuum the Hegemon must be in the graveyard
  - Body Double must be in your hand
[END OF COMBO PREREQUISITES]
assistant