How can you create a combo with Time Vault, Ral Zarek?
user
[START OF COMBO]This combo can be formed with Time Vault, Ral Zarek

Color identity: UR
Mana cost: 
Steps:
  1. Activate Ral Zarek's first loyalty ability by putting a loyalty counter on it, untap Time Vault.
  2. Activate Time Vault by tapping it, causing you to take an extra turn after this one.
  3. Repeat each turn.[END OF COMBO STEPS]

Result:
  - Infinite turns[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
[END OF COMBO PREREQUISITES]
assistant