Drop rates have been low but there is also a product shortage at the time of writing on Sept
The Queen's abilities as a Diviner come through in Consult the Spellbook, which allows you to look at the top four cards in your deck
The TCG that feels the most similar to Lorcana is Magic: The Gathering, but whereas Magic features two players as rival wizards summoning creatures and casting spells in order to defeat each other in battle, Lorcana is much more family-friendly where no one gets hurt
Characters with Challenger are most effective at removing opponents characters from play, rather than questing to earn Lore on their own
Thats an outrageous bit of value attached to one of your characters and it also protects you against the classic one-two punch of the meta defining ruby-amethyst control deck of set two, which would wipe your board with Be Prepared and then answer the first character you play with a Lady Tremaine which would force you to sacrifice it
At least, that's how it used to be