How can you create a combo with River Kelpie, Vizier of Remedies, Altar of Dementia?
user
[START OF COMBO]This combo can be formed with River Kelpie, Vizier of Remedies, Altar of Dementia

Color identity: WU
Mana cost: 
Steps:
  1. Activate Altar of Dementia by sacrificing River Kelpie.
  2. River Kelpie's persist triggers, returning it from your graveyard to the battlefield.
  3. River Kelpie enters the battlefield, causing you to draw.
  4. Resolve the Altar of Dementia trigger, causing target player to mill three cards.
  5. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite card draw
  - Near-infinite death triggers
  - Near-infinite enters the battlefield
  - Near-infinite leaves the battlefield
  - Near-infinite mill
  - Near-infinite sacrifice triggers[END OF COMBO RESULT][END OF COMBO]

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