How can you create a combo with Moritte of the Frost, Staff of Eden, Vault's Key, Transplant Theorist?
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[START OF COMBO]This combo can be formed with Moritte of the Frost, Staff of Eden, Vault's Key, Transplant Theorist

Color identity: GU
Mana cost: {2}{G}{U}{U} plus enough mana to pay for commander tax, if applicable
Steps:
  1. Cast Moritte of the Frost from your hand or from the command zone by paying {2}{G}{U}{U} plus commander tax, if applicable, choosing to have it enter the battlefield as a copy of Staff of Eden.
  2. Put Moritte of the Frost into your graveyard due to the legend rule.
  3. Morrite of the Frost's enters-the-battlefield ability and Transplant Theorist trigger.
  4. Resolve the Transplant Theorist trigger, allowing you to loot.
  5. Resolve the Moritte of the Frost trigger, returning Moritte of the Frost from your graveyard to the battlefield as a copy of Staff of Eden.
  6. Repeat from step 2.[END OF COMBO STEPS]

Result:
  - Infinite self-discard triggers
  - Infinite draw triggers
  - Infinite looting[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Moritte of the Frost must be in your hand or in the command zone
  - Staff of Eden, Vault's Key must be on the battlefield
  - Transplant Theorist must be on the battlefield
[END OF COMBO PREREQUISITES]
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