How can you create a combo with Prosper, Tome-Bound, Ugin, the Ineffable, Eternal Scourge, Planar Void, Phyrexian Altar?
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[START OF COMBO]This combo can be formed with Prosper, Tome-Bound, Ugin, the Ineffable, Eternal Scourge, Planar Void, Phyrexian Altar

Color identity: BR
Mana cost: 
Steps:
  1. Activate Phyrexian Altar by sacrificing Eternal Scourge, adding one mana of any color.
  2. Planar Void triggers, exiling Eternal Scourge from your graveyard.
  3. Cast Eternal Scourge for {1}.
  4. Prosper triggers, creating a Treasure token.
  5. Resolve Eternal Scourge, allowing it to enter the battlefield.
  6. Activate the Treasure token by tapping and sacrificing it, adding one mana of any color.
  7. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite colored mana
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite sacrifice triggers[END OF COMBO RESULT][END OF COMBO]

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