Outside of the set, treasure has taken up residence in many a deck, along with other artifacts you might want to sacrifice
While Lightsworns dont have their boss monster (sorry, Judgment Dragon), they have a few monsters and spells/traps
Though it won't ever exceed Umbreon in value, Leafeon's gorgeous alternate artwork lets this Pokemon outshine all other Eeveelution contenders
Legality depends on the tournament format -- Rank-Up-Magic Soul Shave Force can be legal in some formats and banned or restricted in others
Prosperous Bandit This card is much more straightforward than Alchemists Talent, but its still an efficient source of (reusable, scaling) treasure generation, and that is always worth keeping an eye on
The effect is one to be feared by your opponents, forcing all of your rival players to choose a character to banish from their cards on the table when Lady Tremaine, Imperious Queen enters play