How can you create a combo with Jeskai Ascendancy, Sylvan Awakening, Mystic Speculation?
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[START OF COMBO]This combo can be formed with Jeskai Ascendancy, Sylvan Awakening, Mystic Speculation

Color identity: RGWU
Mana cost: {2}{G}
Steps:
  1. Cast Sylvan Awakening by paying {2}{G}, causing all lands you control to become 2/2 Elemental creatures that are still lands until end of turn.
  2. Jeskai Ascendacy first and second abilities trigger.
  3. Resolve the first Jeskai Ascendancy trigger, giving creatures you control +1/+1 until end of turn and untapping them.
  4. Resolve the second Jeskai Ascendancy trigger, allowing you to loot.
  5. Activate all of your lands by tapping those, adding at least {3}{U}.
  6. Cast Mystic Speculation with buyback by paying {2}{U}.
  7. Jeskai Ascendacy first and second abilities trigger.
  8. Resolve the first Jeskai Ascendancy trigger, giving creatures you control +1/+1 until end of turn and untapping them.
  9. Resolve the second Jeskai Ascendancy trigger, allowing you to loot.
  10. Repeat from step 5.[END OF COMBO STEPS]

Result:
  - Infinite looting
  - Infinitely large creatures
  - Infinite magecraft triggers
  - Infinite mana lands you control can produce
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Jeskai Ascendancy must be on the battlefield
  - Sylvan Awakening must be in your hand
  - Mystic Speculation must be in your hand
  - Lands you control can tap to produce at least {3}{U}.
[END OF COMBO PREREQUISITES]
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