How can you create a combo with Rasputin Dreamweaver, Nim Deathmantle, Altar of Dementia?
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[START OF COMBO]This combo can be formed with Rasputin Dreamweaver, Nim Deathmantle, Altar of Dementia

Color identity: WU
Mana cost: {4}
Steps:
  1. Activate Altar of Dementia by sacrificing Rasputin Dreamweaver.
  2. Nim Deathmantle triggers, causing you to pay {4} to return Rasputin Dreamweaver from your graveyard to the battlefield and attach Nim Deathmantle to it.
  3. Resolve Altar of Dementia's ability, milling target player a number of cards equal to Rasputin Dreamweaver's power.
  4. Activate Rasputin Dreamweaver's first activated ability seven times, adding seven {C}.
  5. Repeat any number of times.
  6. Once you have infinite colorless mana, you may repeat this loop with any other creatures you control, effectively blinking them through sacrifice and reanimation.[END OF COMBO STEPS]

Result:
  - Infinite blinking of creatures you control
  - Infinite colorless mana
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite mill
  - Infinite sacrifice triggers
  - Infinite self-mill[END OF COMBO RESULT][END OF COMBO]

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