If this is you, pick up a playset of Shallow Grave, otherwise I wouldn't worry about it
The cards are taken from a set of 50 cards which are all available as Commons AND as Starfoils
You wont be able to use them in your games of the Pokemon TCG their unique card back is one thing (we took a look at every Pokemon card back design here), but even if you sleeve them, youll still be able to tell which of your cards is gold due to its weight
One reading note that matters for this rarity more than any other: aggregator "ungraded" prices badly lag this market, because raw Gold Stars trade at a steep counterfeit-risk discount while anything authenticated commands a premium (you'll see PSA 1s outselling raw guide prices below)
BT8-024 C Digimon Lv.4 Angemon Color Blue Yellow Cost 5 DP 6000 Digivolve Cost 1 BlueYellow 3 from Lv.3 Form Champion Attribute Vaccine Type Angel Card Text 1 [Effect] [Your Turn] When this Digimon would digivolve, if you have 3 or fewer security cards, Recovery +1 (Deck)
Frolicking Familiar R for one damage is okay, and its place in your cube mostly depends on how useful that effect is since it can range from being worth an actual card if killing an X/1 vs being something to finish something off (being worth a partial card.) Heartflame Duelist A somewhat-Bonecrusher that misses out on the curve-out game plan