Activate Altar of Dementia by sacrificing Suncleanser.
Suncleanser dies, triggering Luminous Broodmoth, returning Suncleanser from your graveyard to the battlefield with a flying counter on it.
Suncleanser enters the battlefield, removing the flying counter from itself.
Resolve the Altar of Dementia ability from step 1, causing target player to mill cards equal to Suncleaner's power.
Repeat.

Infinite death triggers

Infinite ETB

Infinite LTB

Infinite mill

Infinite sacrifice triggers

Infinite self-mill

Suncleanser

Luminous Broodmoth

Altar of Dementia

Activate Blasting Station by tapping it and sacrificing Suncleanser.
Suncleanser dies, triggering Luminous Broodmoth, returning Suncleanser from your graveyard to the battlefield with a flying counter on it.
Suncleanser enters the battlefield, triggering itself and Blasting Station.
Resolve the Suncleanser trigger, removing the flying counter from itself.
Resolve the Blasting Station trigger from step 3, untapping itself.
Resolve the Blasting Station ability from step 1, dealing 1 damage to any target.
Repeat.

Infinite damage

Blasting Station

Combos with "Suncleanser"