I believe Koma is one such card
Linking up with friends to trade (and battle!) was seen as a large part of the games success and this stellar success soon saw the game spun off into different areas: manga, anime, toys and of course, the Pocket Monsters Card Game
So Sand Scout for example would let you search for any land (Gaea's Cradle, maybe?), as all lands in your library would be deserts
Now winning through combat damage gives way to combo kills the further up the brackets you go, but I can see Cloud decks rocking well in Core and Modified Brackets
They serve to give your side of the board tempo by allowing your creatures to attack (removing defenders), giving you more time to set up the board (removing attackers/expensive creatures), and allow for combat tricks (saving your creatures after damage is on the stack
This segment is categorized as a public outreach event, held at the Citizens Plaza, and is designed to facilitate community engagement ahead of the standard nightly rotation, which commences at 19:30