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, Eusocial Engineering triggers twice due to Fractured Realm, creating two artifact tokens.
Activate Clock of Omens by tapping the artifact tokens, untapping Hearthhull.
Repeat.
This engine transforms the simple act of sacrificing a land into an unstoppable cycle of value, supercharged by the doubling power of Mirror Room // Fractured Realm. By tapping Hearthhull, the Worldseed to sacrifice a land, you draw cards and trigger its drain ability while fueling its ascent to an 8+ powerhouse. Once Hearthhull is animated, the land you play from your graveyard via Conduit of Worlds enters the battlefield and sparks Eusocial Engineering; thanks to Fractured Realm's static doubling effect, you are rewarded with two Robot tokens instead of one. Those fresh artifacts can then be tapped into Clock of Omens to untap Hearthhull, resetting the loop so you can repeat the sacrifice ad infinitum.