As soon as a playable card leaves Japan the value usually decreases due to the diminished market, which then only consists of card collectors
Hopefully it means well see games like Gold and Silver and Ruby Red and Emerald Green soon, though between The Pokmon Company and Nintendo Im not holding my breath.
These cards are particularly important in decks that want to develop the battlefield as early as possible, like in aggro, ramp, tempo and combo decks
M Charizard Ex - Mega cool, mega valuable Giratina Ex Set Get Promo The glitziest Giratina of all - and a very pricey Pokmon Ex card
Vehicles like Parhelion II, Skysovereign, Consul Flagship, and Weatherlight exist as a great jumping-off point for players trying to take their Commander decks to the next level
I wasnt playing actively in this period, but as I understand it, creatures were quite a bit more expensive in those days, so maybe this could actually be useful