These decks utilise cheap spells - or in Lorcanas case, actions - that replace themselves with card draw to get value out of cards that incentivise you to be playing multiple cards per turn
Or without spells
Ureni, the Song Unending and The Ur-Dragon ar some of our biggest Dragons, but almost most of our Dreagons can act as finishers as they all have high stats and Flying which is a form of Evasion
So, maybe some of the weights also apply to non-English packs, but I definitely would operate under the assumption that they dont
If the idea is to get even more packs to keep on collecting cards or to find some of the rarest ones, its much more effective to use the Pack Hourglasses to reduce the waiting time and get new packs immediately
Since we're looking for a particular card, we're running a lot of tutors in place of card draw, since we actually don't want to draw our spirits, so cards like Illicit Shipment are perfect here