A non-Skeleton creature has died under your control this turn.
Steps
Activate
Blasting Station by tapping it and sacrificing
Cult Conscript.
When
Cult Conscript dies,
Pitiless Plunderer and
Sifter of Skulls trigger.
Resolve the
Pitiless Plunderer trigger, creating a Treasure token.
Resolve the
Sifter of Skulls trigger, creating a creature token.
When the creature token enters,
Blasting Station triggers, untapping
Blasting Station.
Resolve the
Blasting Station ability.
Activate the Treasure by tapping and sacrificing it, adding ({B} magic symbol) .
Activate the creature token by sacrificing it, adding ({C} magic symbol) .
When the creature token dies,
Pitiless Plunderer triggers, creating a Treasure token.
Activate
Cult Conscript by paying ({1} magic symbol) ({B} magic symbol) , returning it to the battlefield from your graveyard.
When
Cult Conscript enters,
Blasting Station triggers, untapping
Blasting Station.
Repeat.
Notes
Once you have infinite Treasure tokens, you may repeat this loop spending mana from Treasures instead of Eldrazi Spawns in step 7, giving you infinite Eldrazi Spawn tokens.
Once you have infinite Treasure tokens, you may repeat this loop spending mana from Treasures instead of the creature tokens, giving you infinite creature tokens.