Blasting Station by tapping it and sacrificing another creature.
As the creature is a Food due to
Ygra, when it dies,
Ygra's second ability and
Nuka-Cola Vending Machine trigger.
Resolve the
Ygra trigger, putting two +1/+1 counters on it.
Resolve the
Nuka-Cola Vending Machine trigger, creating a tapped Treasure token. The Treasure will enter as a 7/7 Dinosaur Food in addition to its types due to
Displaced Dinosaurs and
Ygra.
When the Treasure enters,
Blasting Station triggers, untapping
Blasting Station.
Resolve the
Blasting Station ability from step 1.
Repeat.
Notes
The combo can instead by started by sacrificing an untapped noncreature Food to its own ability. This will replace step 1 for the first iteration and add ({2} magic symbol) to the mana needed. After the first iteration, follow the steps above as normal.