How can you create a combo with Feasting Troll King, Witch's Oven, Clock of Omens, Primal Vigor?
user
[START OF COMBO]This combo can be formed with Feasting Troll King, Witch's Oven, Clock of Omens, Primal Vigor

Color identity: G
Mana cost: 
Steps:
  1. Activate Witch's Oven by tapping it and sacrificing Feasting Troll King, creating four Food artifact tokens.
  2. Activate Clock of Omens by tapping two Foods, untapping Witch's Oven.
  3. Activate Feasting Troll King by sacrificing three Foods, causing you to return it from your graveyard to the battlefield.
  4. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite Food tokens
  - Infinite leaves the battlefield
  - Infinite mana artifacts you control can produce
  - Infinite sacrifice triggers
  - Infinite untap of artifacts you control[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
[END OF COMBO PREREQUISITES]
assistant