Youll usually use these as tutors for a specific subset of cards, but youll also want the base card to be playable in some situations
If you dont mind the stained-glass Showcase style, you can even snag copies for as low as $0.30
5 cards of the set are also available as Starlight Rare as usual: Exosisters Magnifica, Patissciel Couverture, Therion King Regulus, Alba-Lenatus the Abyss Dragon and Ghost Belle & Haunted Mansion
Watching a large number of videos and noting down the hits or rare cards in general is a good way to figure out approximate rarities - mainly for categories of cards, but with enough data you can infer some information about individual card rarities, though it is not always easy to tell if the information is statistically relevant or not
Granted, those decks are almost all focused on milling out the opponent but the original Hedron Crab is also able to target yourself, which makes it one of the most explosive and mana-efficient self-mill engines ever printed
