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

Color identity: RGW
Mana cost: {9} (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 Auriok Bladewarden by paying {3} and untapping it, giving it +2/+2 until end of turn.
  4. Repeat from step 2 until Auriok Bladewarden has power nineteen or greater, omitting step 3 on the final iteration, if possible.
  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
  - Umbral Mantle attached to Auriok Bladewarden.
[END OF COMBO PREREQUISITES]
assistant