If you like the idea of milling opponents out in Standard or are just looking for a super-cheap deck, I'd high recommend Mono-Blue Mill
The Galarian Gallery subset concept builds on previous special subset successes (Shining Fates Shiny Vault, Hidden Fates Shiny Vault) while introducing character-focused curation over pure shiny Pokemon variants
If other "True King" and "True Draco" monsters you control would be destroyed by battle or by card effect
This was Ravensburger's way of making the game more approachable, teaching new players the ins and outs of the game
So, unlike other cards where you need three to have a playset at max rarity, just one will do the trick
Hermetic Study/Psionic Gift ( Saga/Legacy/Destiny & Odyssey/Torment/Judgment ) In both sets, these cards served a similar purpose: kill small creatures or allow your smaller creatures to threaten large ones in combat (for instance, Hermetic Study would allow your 2/2 creature to attack into a 3/3 creature with the threat of your third Hermetic Studied creature sweeping away the 3/3 should it block)