Wernog leaves and enters, it triggers twice, creating at least two Clue, two Food and two Treasure tokens.
Activate
Clock of Omens by tapping two Clues, untapping the mana-producing artifact.
Activate two Treasures by tapping and sacrificing them, adding ({2} magic symbol) .
Repeat.
Notes
Because your opponents must choose to either let themselves and you investigate, or lose life, this combo will very likely result in infinite Clue tokens for you and your opponents, as well as infinite Food and Treasure tokens for you.