How can you create a combo with Pulsemage Advocate, Altar of Dementia, Thornbite Staff?
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[START OF COMBO]This combo can be formed with Pulsemage Advocate, Altar of Dementia, Thornbite Staff

Color identity: W
Mana cost: 
Steps:
  1. Activate Altar of Dementia by sacrificing a creature with power three or greater.
  2. The creature dies, triggering Pulsemage Advocate, untapping it.
  3. Resolve the Altar of Dementia trigger, causing target opponent to mill cards equal to the sacrificed creature's power.
  4. Activate Pulsemage Advocate by tapping it and putting three cards from an opponent's graveyard into their owner's hand, returning the creature from your graveyard to the battlefield.
  5. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite card draw for opponents
  - Infinite death triggers
  - 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
  - Thornbite Staff attached to Pulsemage Advocate.
  - Pulsemage Advocate does not have summoning sickness.
  -  You control a nontoken creature with power three or greater.
[END OF COMBO PREREQUISITES]
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