How can you create a combo with Mayael's Aria, Auriok Bladewarden, Pemmin's Aura?
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[START OF COMBO]This combo can be formed with Mayael's Aria, Auriok Bladewarden, Pemmin's Aura

Color identity: RGWU
Mana cost: {U}{U}{U}{U} (at most)
Steps:
  1. At the beginning of your upkeep, Mayael's Aria triggers.
  2. Holding priority, activate Auriok Bladewarden by tapping it, giving itself +X/+X until end of turn, where X is its power.
  3. Activate Pemmin's Aura's first ability by paying {U}, untapping Auriok Bladewarden.
  4. Repeat from step 2 until Auriok Bladewarden has power nineteen or greater, omitting step 3 on the final iteration.
  5. Resolve the Mayael's Aria trigger from step 1, causing you to put a +1/+1 counter on each creature you control, gain 10 life and win the game.[END OF COMBO STEPS]

Result:
  - Win the game[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Auriok Bladewarden has power 1 or greater.
  - Pemmin's Aura attached to Auriok Bladewarden.
[END OF COMBO PREREQUISITES]
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