How can you create a combo with Aether Storm, Karn's Sylex?
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[START OF COMBO]This combo can be formed with Aether Storm, Karn's Sylex

Color identity: U
Mana cost: {3}{U}
Steps:
  1. Cast Aether Storm.
  2. Players can no longer cast creature spells, and Aether Storm cannot be destroyed due to players being unable to pay life to activate its ability.[END OF COMBO STEPS]

Result:
  - Players cannot cast creature spells[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Aether Storm must be in your hand
  - Karn's Sylex must be on the battlefield
[END OF COMBO PREREQUISITES]
assistant