How can you create a combo with Vorel of the Hull Clade, Pemmin's Aura, Gemstone Array?
user
[START OF COMBO]This combo can be formed with Vorel of the Hull Clade, Pemmin's Aura, Gemstone Array

Color identity: GU
Mana cost: {U}{G}
Steps:
  1. Pay {U}{G} and tap Vorel, doubling the number of charge counters on Gemstone Array.
  2. Remove 3 charge counters from Gemstone Array to add {U}{U}{G}.
  3. Pay {U} to untap Vorel.
  4. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite colored mana[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Pemmin's Aura attached to Vorel.
  - Vorel does not have summoning sickness.
  - 4 charge counters on Gemstone Array.
[END OF COMBO PREREQUISITES]
assistant