How can you create a combo with Swift Reconfiguration, Barrenton Medic?
user
[START OF COMBO]This combo can be formed with Swift Reconfiguration, Barrenton Medic

Color identity: W
Mana cost: 
Steps:
  1. Whenever damage would be dealt to you or a permanent you control, activate Barrenton Medic's first ability by tapping it, preventing the next 1 damage dealt to that target.
  2. Activate Barrenton Medic's second ability by putting a -1/-1 counter on it, untapping it.
  3. Repeat as necessary.[END OF COMBO STEPS]

Result:
  - Prevent all damage that would be dealt to permanents you control
  - Prevent all damage that would be dealt to you[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Swift Reconfiguration attached to Barrenton Medic.
[END OF COMBO PREREQUISITES]
assistant