How can you create a combo with Hellkite Charger, Savage Ventmaw, Druids' Repository?
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[START OF COMBO]This combo can be formed with Hellkite Charger, Savage Ventmaw, Druids' Repository

Color identity: RG
Mana cost: 
Steps:
  1. Declare Hellkite Charger and Savage Ventmaw as attackers.Druids' Repository's first ability triggers twice, and Savage Ventmaw and Hellkite Charger trigger once.
  2. Resolve the Savage Ventmaw trigger, adding {R}{R}{R}{G}{G}{G}.
  3. Resolve both Druid's Repository triggers, putting two charge counters on it.
  4. Activate Druid's Repository by removing a charge counter from it, adding {1}.
  5. Resolve the Hellkite Charger trigger, causing you to pay {5}{R}{R} to untap all attacking creatures and to get an additional combat phase after this one.
  6. Repeat each combat phase.[END OF COMBO STEPS]

Result:
  - Infinite charge counters on Druids' Repository
  - Infinite colored mana
  - Infinite combat phases[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Savage Ventmaw does not have summoning sickness.
  - An opponent is unable to block and kill Savage Ventmaw and Hellkite Charger.
[END OF COMBO PREREQUISITES]
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