How can you create a combo with Hellkite Charger, Bear Umbra?
user
[START OF COMBO]This combo can be formed with Hellkite Charger, Bear Umbra

Color identity: RG
Mana cost: 
Steps:
  1. Declare Hellkite Charger as attacker.
  2. Bear Umbra and Hellkite Charger triggers.
  3. Resolve the Bear Umbra's trigger, untapping all lands you control.
  4. Resolve the Hellkite Charger's trigger, choosing to pay {5}{R}{R} to untap all attacking creatures and to get an additional combat phase after this one.
  5. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite combat phases[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Hellkite Charger does not have summoning sickness.
  - Bear Umbra attached to Hellkite Charger.
  - You control lands that can tap to produce at least {5}{R}{R}.
  - An opponent is unable to block and kill Hellkite Charger.
[END OF COMBO PREREQUISITES]
assistant