Like most Pokmon cards, the value of Ralts 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 (POP Series 7)
BEGINNER-EXPERT: An excellent starting point for new players looking to learn and build their first decks, and for experts looking to bolster their collection and search for hidden gems.
Children were stoked on the Happy Meals, but so were nostalgic collectors and scalpers looking to make a quick buck
Additional Combat Phases would also be of great use here as opposed to trigger doublers like Strionic Resonator or something
For example, Ash, Party Crasher gains a +1/+1 counter upon attacking if her controlling player met that Celebration trigger
Any cards kept in good condition can still sell for good money, just dont expect them to reach into the thousands of dollars anytime soon