Hobbyist magazines, already tracking prices of sports trading cards, engaged with the Magic secondary market by surveying the stores to inquire on current prices to cards, which they then published
Pokemon cards are 63.5x88mm (2.5x3.5), so look for sleeves with those internal dimensions
In the current metagame, energy manipulation seems to be a popular strategy on many of the best Psychic-type cards for one's deck in the Pokemon TCG
With other draw cards like Professor's Research and Mew ex (Pokemon 151) keeping a player stocked on resources already, Mystery Garden just adds another layer of consistency to a deck type that doesnt necessarily need it, but makes it all the better for it
Used in: 5 episode instances for Japanese
Link Arrows do two things, they enable effects for the Link Monster to activate or make it stronger, for example Decode Talker gains 500 ATK for each monster it points to and is able negate card effects that target cards you control by Tributing a monster it points to