If you have a card that you expect is worth more than $100, Pratte recommends getting it graded by Professional Sports Authenticator (PSA)
Here an additional picture with a size comparison to a the earlier mentioned Jumbo, Teach Set, regular TCG-sized, and Miniature Phone Charm Pikachus: SPOILER: Click to show 1067800 220 KB The seller also had a few other one available: 2 Charmeleons
Make your deck unique, try out a commander and companion
If, for example, your opponent has a face-up Trap on the field, you can return that card to their deck, leaving them with a card that they wont be able to activate until your next turn
Youll always find something to learn by trying something new, and theres almost always a legendary creature you can use as a commander for the strategies you wish to pursue
Thats 27 possible outcomes on a spell, to the six possibilities of the commands