How can you create a combo with Brokkos, Apex of Forever, Infested Thrinax, Pitiless Plunderer, Altar of Dementia?
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[START OF COMBO]This combo can be formed with Brokkos, Apex of Forever, Infested Thrinax, Pitiless Plunderer, Altar of Dementia

Color identity: BGU
Mana cost: {3}{B}{G}
Steps:
  1. Cast Infested Thrinax by paying {3}{B}{G}.
  2. When Infested Thrinax enters the battlefield, it triggers, causing you to create a number of 1/1 Saproling creature tokens when a nontoken creature you control dies.
  3. Activate Altar of Dementia by sacrificing Brokkos.
  4. When Brokkos dies, Infested Thrinax and Pitiless Plunderer trigger.
  5. Resolve the Infested Thrinax trigger, creating six 1/1 Saproling creature tokens.
  6. Resolve the Pitiless Plunderer trigger, creating a Treasure token.
  7. Resolve the Altar of Dementia ability, causing target player to mill cards equal to Brokkos's power.
  8. Activate Altar of Dementia four times by sacrificing four Saprolings.
  9. When the Saprolings die, Pitiless Plunderer triggers four times, creating four Treasure tokens.
  10. Resolve the Altar of Dementia abilities, causing target player to mill cards equal to the Saprolings' power.
  11. Activate five Treasures by tapping and sacrificing them, adding {2}{U/B}{G}{G}.
  12. Cast Brokkos from your graveyard for its mutate cost by paying {2}{U/B}{G}{G}, putting it on top of a Saproling.
  13. Repeat from step 3.[END OF COMBO STEPS]

Result:
  - Infinite leaves the battlefield
  - Infinite enters the battlefield
  - Infinite colored mana
  - Infinite sacrifice triggers
  - Infinite death triggers
  - Infinite mill
  - Infinite self-mill
  - Infinite storm count
  - Infinite creature tokens
  - Infinite Treasure tokens[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Brokkos, Apex of Forever must be on the battlefield
  - Infested Thrinax must be in your hand
  - Pitiless Plunderer must be on the battlefield
  - Altar of Dementia must be on the battlefield
[END OF COMBO PREREQUISITES]
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