Pokemon Lost Origin is one of the first sets to feature the new VSTAR cards
The same goes for delirium cards like Fear of Missing Out, where a single sorcery in the graveyard puts you closer to maximizing the card
You can also look at the release date, shadow and special signs on the card to find out if it is 1st edition.
Like most Magic: The Gathering cards, the value of Cogwork Librarian depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Conspiracy)
EX1-030 SR Digimon Lv.5 Angewomon Color Yellow Cost 8 DP 7000 Digivolve Cost 1 Yellow 3 from Lv.4 Form Ultimate Attribute Vaccine Type Archangel Card Text 1 [Effect] [When Attacking] If you have 3 or more security cards, 1 of your opponent's Digimon and all of your opponent's Security Digimon get -3000 DP for the turn
Craft is not triggered by anything you do in-game