How can you create a combo with Traumatize, Fraying Sanity?
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[START OF COMBO]This combo can be formed with Traumatize, Fraying Sanity

Color identity: U
Mana cost: {3}{U}{U}
Steps:
  1. Cast Traumatize by paying {3}{U}{U}, causing the opponent enchanted by Fraying Sanity to mill cards equal to half their library size, rounded down.
  2. At the beginning of your end step, Fraying Sanity triggers, causing the opponent to mill cards equal to the number of cards put into their graveyard this turn.[END OF COMBO STEPS]

Result:
  - Infinite mill for target opponent[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Traumatize must be in your hand
  - Fraying Sanity must be on the battlefield
  - Fraying Sanity is attached to any opponent who has an even number of cards in their library.
[END OF COMBO PREREQUISITES]
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