Cavalier of Night | Paleontologist's Pick-Axe // Dinosaur Headdress | Priest of Gix

(and one other card)

Activate
Dinosaur Headdress' equip ability by paying ({2} magic symbol) , attaching it to
Priest of Gix and causing
Priest of Gix to become a copy of
Cavalier of Night.
Activate
Blasting Station by tapping it and sacrificing
Priest of Gix.
When
Priest of Gix dies, its second ability triggers, returning itself from your graveyard to the battlefield.
When
Priest of Gix enters the battlefield, it and
Blasting Station trigger.
Resolve the
Priest of Gix trigger, adding ({B} magic symbol) ({B} magic symbol) ({B} magic symbol) .
Resolve the
Blasting Station trigger from step 4, untapping it.
Resolve the
Blasting Station ability from step 2,.
Repeat.