How can you create a combo with Sage of Hours, Altered Ego, Meticulous Excavation?
user
[START OF COMBO]This combo can be formed with Sage of Hours, Altered Ego, Meticulous Excavation

Color identity: GWU
Mana cost: {9}{G}{W}{U} each turn
Steps:
  1. Cast Altered Ego by paying {7}{G}{U}, causing it to enter the battlefield as a copy of Sage of Hours with five +1/+1 counters on it.
  2. Activate Altered Ego by removing all +1/+1 counters from it, causing you to take an extra turn after this one.
  3. Activate Meticulous Excavation by paying {2}{W}, returning Altered Ego to your hand from the battlefield.
  4. Repeat each turn.[END OF COMBO STEPS]

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

Other prerequisites:
  - Sage of Hours must be on the battlefield
  - Altered Ego must be in your hand
  - Meticulous Excavation must be on the battlefield
[END OF COMBO PREREQUISITES]
assistant