How can you create a combo with Grimoire Thief, Cryptolith Rite, Pemmin's Aura?
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[START OF COMBO]This combo can be formed with Grimoire Thief, Cryptolith Rite, Pemmin's Aura

Color identity: GU
Mana cost: 
Steps:
  1. Activate Grimoire Thief by tapping it, adding {U}.
  2. Grimoire Thief triggers, exiling the top three cards of an opponent's library face down.
  3. Activate Pemmin's Aura's first ability by paying {U}, untapping Grimoire Thief.
  4. Repeat.[END OF COMBO STEPS]

Result:
  - Exile each opponent's library[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Pemmin's Aura attached to Grimoire Thief.
  - Grimoire Thief does not have summoning sickness.
[END OF COMBO PREREQUISITES]
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