The Reaver Cleaver + Hellkite Charger

The Reaver Cleaver
Hellkite Charger

Requires
All permanents on the battlefield. The Reaver Cleaver attached to a creature with power seven or greater that can attack this turn. An opponent is unable to block the creature with The Reaver Cleaver attached. 5rr available.
Steps
  1. Declare Hellkite Charger and the creature with The Reaver Cleaver attached as attackers
  2. Hellkite Charger triggers, causing you to pay 5rr to untap all attacking creatures and cause you to get an additional combat phase after this one
  3. Deal combat damage to a player with the creature that has The Reaver Cleaver attached
  4. The creature triggers, creating at least eight Treasure tokens
  5. Move to your next combat phase
  6. Declare Hellkite Charger and the creature with The Reaver Cleaver attached as attackers
  7. Hellkite Charger triggers, holding priority, activate seven Treasure tokens by tapping and sacrificing them, adding 5rr
  8. Resolve the Hellkite Charger trigger, causing you to pay 5rr to untap all attacking creatures and cause you to get an additional combat phase after this one
  9. Repeat from step 3
Results
Infinite combat phases. Infinite combat damage. Infinite Treasure tokens. Infinite colored mana.