Activate Hearthhull by paying 1, tapping it and sacrificing a land.
If Hearthhull has eight or more charge counters on it, it triggers, causing each opponent to lose 2 life.
Resolve the Hearthhull ability, causing you to draw two cards and allowing you to play an additional land this turn.
Play the land from your graveyard.
When the land enters the battlefield, Tireless Tracker triggers twice due to Starfield Vocalist, creating two artifact tokens.
Activate Clock of Omens by tapping the artifact tokens, untapping Hearthhull.
Repeat.
This clever engine feeds on your own geography to cycle through your deck while draining the table dry. Hearthhull, the Worldseed acts as your primary sacrifice outlet, turning lands into card draw while its passive trigger makes each sacrifice drain your opponents. Conduit of Worlds ensures your graveyard stays open for business by letting you replay those sacrificed lands, and every return is doubled by Starfield Vocalist to make sure Tireless Tracker floods the board with extra Clue tokens. Finally, Clock of Omens harnesses those newly minted artifacts to untap Hearthhull endlessly, keeping the loop spinning until your opponents have nothing left.