How can you create a combo with Unspeakable Symbol, Sage of Hours, Gray Merchant of Asphodel, Conjurer's Closet?
user
[START OF COMBO]This combo can be formed with Unspeakable Symbol, Sage of Hours, Gray Merchant of Asphodel, Conjurer's Closet

Color identity: UB
Mana cost: 
Steps:
  1. At the beginning of your end step, Conjurer's Closet triggers, blinking Gray Merchant of Asphodel.
  2. When Gray Merchant of Asphodel enters the battlefield, it triggers, causing each opponent to lose life equal to your devotion to black, and you to gain life equal to the life lost this way.
  3. Activate Unspeakable Symbol five times by paying 15 life, putting five +1/+1 counters on Sage of Hours.
  4. Activate Sage of Hours by removing all +1/+1 counters from it, causing you to take at least one extra turn after this one.
  5. Repeat each turn.[END OF COMBO STEPS]

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

Other prerequisites:
  - All permanants must be on the battlefield
  - Your devotion to black times the number of opponents you have is greater than or equal to 15.
[END OF COMBO PREREQUISITES]
assistant