Pokemon Power: Prehistoric Power says that once Aerodactyl is on the field, no more evolution cards can be played which completely iced out major archetypes that were flooding the competitive scene at the time, such as Rain Dance and Damage Swap
A small condition issue, an incorrect set attribution, or a slow-moving duplicate ties up more capital
For 3 mana, you get to draw one card and another one for each other instant and sorcery spell you've cast that turn
Designer Notes: Hijack your opponents' best abilities, disrupt their strategy, and sow chaos at your next game night
Boy, have I got the interaction for you
They had the freedom to design or reprint whatever cards they needed to make an optimal experience