Magic has evolved into several interlocking formats and game modes and is played across several platforms, so whether too few or too many cards are printed each year depends a lot on your preferred format(s)
(YGOrg Translation) Extended Art Card becomes a serarchable hand trap, summoning itself from the hand when an opponents monster effect is activated or their monster attacks, if either action happens while it is on field, it tutors or summons a Dark Magician from your Deck/GY, and changes the ATK of the opponents monster to 0
As a bonus, the caster may untap three lands, so in most games, that makes Frantic Search free, leaving mana open for other spells and effects.
But its always just
Both Decks get a big makeover for their Speed Duel debut, and both use Skill Cards to do things that would be totally impossible otherwise
The prerelease stamp has become a highly valued marker in the vintage Pokemon market, and Misty's Seadra is one of the most recognizable and sought-after examples