How can you create a combo with Body of Research, Altar of Dementia?
user
[START OF COMBO]This combo can be formed with Body of Research, Altar of Dementia

Color identity: GU
Mana cost: {G}{G}{G}{U}{U}{U}
Steps:
  1. Cast Body of Research by paying {G}{G}{G}{U}{U}{U}, creating a 0/0 Fractal creature token, and then putting a number of +1/+1 counters on it equal to your deck size.
  2. Activate Altar of Dementia by sacrificing the Fractal, causing target player to mill cards equal to the Fractal's power.[END OF COMBO STEPS]

Result:
  - Infinite self-mill
  - Near-infinite mill for target opponent[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Body of Research must be in your hand
  - Altar of Dementia must be on the battlefield
[END OF COMBO PREREQUISITES]
assistant