How can you create a combo with Spike Feeder, Light of Promise?
user
[START OF COMBO]This combo can be formed with Spike Feeder, Light of Promise

Color identity: GW
Mana cost: 
Steps:
  1. Remove a +1/+1 counter to gain 2 life.
  2. Light of Promise triggers and puts 2 +1/+1 counters on Spike Feeder.
  3. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite lifegain
  - Infinitely large Spike Feeder[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Light of Promise attached to Spike Feeder.
[END OF COMBO PREREQUISITES]
assistant