Activate Power Depot by tapping it, creating a Food, a Clue, and a Treasure artifact token.
Activate Clock of Omens by tapping two artifact tokens, untapping Power Depot.
Repeat.

Infinite artifact ETB

Infinite artifact LTB

Infinite artifact sacrifice triggers

Infinite artifact tokens

Infinite card draw

Infinite Clue tokens

Infinite colored mana

Infinite draw triggers

Infinite Food tokens

Infinite lifegain

Infinite lifegain triggers

Infinite mana artifacts you control can produce

Infinite Treasure tokens

Infinite untap of artifacts you control

Bootleggers' Stash

Academy Manufactor

Clock of Omens

Power Depot

Activate Power Depot by tapping it, creating a Food and a Treasure artifact token.
Activate Clock of Omens by tapping the Food and Treasure, untapping Power Depot.
Repeat.

Infinite tapped Food tokens

Infinite tapped Treasure tokens

Peregrin Took

Play Power Depot, which will enter with a +1/+1 counter on it due to its modular ability
Cast Toph either from your hand or from the command zone by paying {2}{R}{G} plus commander tax if applicable.
When Toph enters, it triggers, earthbending Power Depot and putting a number of +1/+1 counters on Power Depot equal to the mana spent to cast Toph, increased by Branching Evolution.
Activate Altar of Dementia by sacrificing Power Depot.
When Power Depot dies, its modular ability and Toph trigger.
Resolve the modular trigger, putting the +1/+1 counters that were on Power Depot onto Crystalline Crawler, increased by Branching Evolution.
Resolve the Toph trigger, returning Power Depot from your graveyard to the battlefield tapped. Power Depot will enter with a +1/+1 counter on it due to its modular ability
Resolve the Altar of Dementia ability.
Activate Altar of Dementia by sacrificing Toph. Choose to return Toph from your graveyard to the command zone.
Activate Crystalline Crawler by removing a +1/+1 counter from it, adding {R/G}.
Repeat step 10 until you have enough mana to cast Toph.
Repeat from step 2.

Combos with "Power Depot"