Until then I can at least share the 100 Start Deck Display and the Corocoro Version Deck
These are amazing mana sinks, and all have awesome things to recommend them all day long
Card condition may be indicated by HP, MP, LP, and NM. These mean heavily-played, moderately-played, lightly-played, and near-mint. Condition is a huge price factor, and you can find a guide here
More often than not, this is the card to blame
Sparkling Crystal is going to prove useful for just about any Tera Pokmon ex, but especially powerful for the new Stellar Pokmon that can be found in Stellar Crown
With a bit of investment and a lot of creativity, you can do some reckless infinite combos with other cards like Malcolm, Keen-Eyed Navigator, Reckless Fireweaver, and Runed Stalactite making it so you can exile all libraries and get infinite tokens