How can you create a combo with Olivia, Crimson Bride, Medomai the Ageless, Altar of Dementia?
user
[START OF COMBO]This combo can be formed with Olivia, Crimson Bride, Medomai the Ageless, Altar of Dementia

Color identity: WUBR
Mana cost: 
Steps:
  1. Declare Olivia as an attacker, attacking an opponent unable to block your creatures.
  2. Olivia triggers, returning Medomai from your graveyard to the battlefield tapped and attacking that opponent.
  3. Deal combat damage with Medomai, triggering its ability, causing you to take an extra turn after this one.
  4. Activate Altar of Dementia by sacrificing Medomai, causing target player to mill cards equal to Medomai's power.
  5. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite turns[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Medomai in your graveyard.Olivia does not have summoning sickness.
  - An opponent is unable to block your creatures.
[END OF COMBO PREREQUISITES]
assistant