Old Gnawbone + Hellkite Charger

Prerequisites

Old Gnawbone does not have summoning sickness. An opponent can not block Old Gnawbone. An opponent can not block Hellkite Charger.

Steps

1. Move to your combat step.
2. Attack with Hellkite Charger and Old Gnawbone.
3. When Hellkite Charger attacks, it triggers.
4. Pay {5}{R}{R}, adding an additional combat phase after this one.
5. Old Gnawbone triggers for each creature that dealt combat damage, creating a number of treasures equal to the damage dealt with each trigger.
6. Move to your additional combat step.
7. Attack with Hellkite Charger and Old Gnawbone.
8. When Hellkite Charger attacks, it triggers.
9. Holding priority, activate seven Treasure tokens by tapping and sacrificing them, adding {5}{R}{R}.
10. Repeat from step 4.