How can you create a combo with Ajani, Mentor of Heroes, Pestilent Cauldron // Restorative Burst, Doubling Season?
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[START OF COMBO]This combo can be formed with Ajani, Mentor of Heroes, Pestilent Cauldron // Restorative Burst, Doubling Season

Color identity: WBG
Mana cost: {4}{G}{W}
Steps:
  1. Cast Ajani by paying {3}{G}{W}, which enters the battlefield with eight loyalty counters due to Doubling Season.
  2. Activate Ajani's third loyalty ability by removing eight loyalty counters from it.
  3. Ajani dies as a state-based action due to having zero loyalty.
  4. Resolve the Ajani ability, causing you to gain 100 life.
  5. Activate Pestilent Cauldron's second ability by paying {1} and tapping it, causing each opponent to mill cards equal to the amount of life you gained this turn.[END OF COMBO STEPS]

Result:
  - Infinite mill
  - Near-infinite lifegain[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Ajani, Mentor of Heroes must be in your hand
  - Pestilent Cauldron // Restorative Burst must be on the battlefield
  - Doubling Season must be on the battlefield
[END OF COMBO PREREQUISITES]
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