Some provide ramp, others serve as mounts or transporters
One of the Cosmoem you linked would fall into this category, but note that it's not a good example because 1) it's an evolved Pokemon, meaning it takes resources to establish, and 2) it's got a substantial retreat cost
The event is a continuation of the Charmander and Squirtle Wonder Pick Event and allows players to obtain new items and accessories
place them back on top of the Deck in any order you choose
Overall, more of the Japanese versions have earned Gem Mint status over its English counterpart (137-87) but the Gem Rate percentages heavily favor the English examples (96.6-84.7)
The Lesson Avoiding What You Want Causes Problems I chose Cloud of Faeries but I could have chosen any card with the free mechanic (for those unaware of what I'm talking about, the free mechanic was a series of spells that all untapped X basic lands where X was the converted mana cost of the spell when the spell resolved or came into play