Including cards that are only for one archetype is fine, but you don't want to include too many of them
Its useful as a repeatable creature tutor, turning your deck into a toolbox to tackle any situation
In Pioneer, Greasefang, Okiba Boss is a prime target to return, helping the powerful yet somewhat fragile combo deck have an easier time beating cards like Rending Volley
1 Booster Pack: x 10 cards
The Doctor's Tomb is the most impactful though - letting you swap life totals around
They have to lock up their valuables at night. Sometimes things turn violent, like when a man was held up at gunpoint after leaving RWT Collective in Los Angeles Sawtelle neighborhood and relieved of a briefcase containing Pokmon cards worth $300,000