How can you create a combo with Aminatou, the Fateshifter, Teferi, Master of Time, Ajani Steadfast, Contagion Engine?
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[START OF COMBO]This combo can be formed with Aminatou, the Fateshifter, Teferi, Master of Time, Ajani Steadfast, Contagion Engine

Color identity: WUB
Mana cost: {4} each turn
Steps:
  1. Activate Contagion Engine by paying {4} and tapping it, putting two loyalty counters on each planeswalker you control.
  2. Activate Ajani's second loyalty ability by removing two loyalty counters from it, putting a loyalty counter on each other planeswalker you control.
  3. Activate Teferi's third loyalty ability by removing ten loyalty counters from it, causing you to take two extra turns after this one.
  4. Activate Aminatou's second loyalty ability by removing a loyalty counter from it, blinking Teferi.
  5. Activate Teferi's first loyalty ability by putting a loyalty counter on it, causing you to loot.
  6. Move to your first extra turn.
  7. Activate Teferi's first loyalty ability by putting a loyalty counter on it, causing you to loot.
  8. Repeat steps 1 and 2 one additional time.
  9. Move to your second extra turn.
  10. Repeat.[END OF COMBO STEPS]

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

Other prerequisites:
  - All permanants must be on the battlefield
  - Teferi has at least eight loyalty counters on it.
[END OF COMBO PREREQUISITES]
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