How can you create a combo with Halo Fountain, Storm Herd, Cryptolith Rite, Akroma's Memorial?
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[START OF COMBO]This combo can be formed with Halo Fountain, Storm Herd, Cryptolith Rite, Akroma's Memorial

Color identity: GW
Mana cost: {8}{W}{W}
Steps:
  1. Cast Storm Herd by paying {8}{W}{W}, creating a number of 1/1 Pegasus creature tokens equal to your life total.
  2. Activate a creature you control by tapping it, adding {W}.
  3. Repeat step 2 until you have at least fifteen tapped creatures.
  4. Activate Halo Fountain's third ability by paying {W}{W}{W}{W}{W}, tapping it and untapping fifteen tapped creatures you control, causing you to win the game.[END OF COMBO STEPS]

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

Other prerequisites:
  - Halo Fountain must be on the battlefield
  - Storm Herd must be in your hand
  - Cryptolith Rite must be on the battlefield
  - Akroma's Memorial must be on the battlefield
  - Your life total plus the number of creatures you control is at least fifteen.
[END OF COMBO PREREQUISITES]
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