Hearthhull, the Worldseed + Clock of Omens + Tireless Tracker + Perennial Behemoth + Yarok, the Desecrated

Hearthhull, the Worldseed

Clock of Omens

Tireless Tracker

Perennial Behemoth

Yarok, the Desecrated

How it works

1. Activate a land by tapping it, adding at least 1.
2. Activate Hearthhull by paying 1, tapping it and sacrificing a land.
3. If Hearthhull has eight or more charge counters on it, it triggers, causing each opponent to lose 2 life.
4. Resolve the Hearthhull ability, causing you to draw two cards and allowing you to play an additional land this turn.
5. Play the land from your graveyard.
6. When the land enters the battlefield, Tireless Tracker triggers twice due to Yarok, creating two artifact tokens.
7. Activate Clock of Omens by tapping the artifact tokens, untapping Hearthhull.
8. Repeat.

This loop creates a self-sustaining engine by turning land sacrifices into a flurry of card draw and life loss, all anchored by Hearthhull, the Worldseed as both the sacrificial outlet and the ultimate win condition. Every time you feed a land to Hearthhull's ability to draw cards, Perennial Behemoth allows you to immediately replay that land from your graveyard to fuel the combo further. The arrival of that land triggers Tireless Tracker, whose landfall ability is doubled by Yarok, the Desecrated to generate multiple Clue artifacts. Finally, Clock of Omens lets you tap those newly minted artifacts to untap Hearthhull, resetting the loop and draining your opponents dry.