In terms of game mechanics, they're usually non-evolving (single stage) Pokmon with unusually high in-game stats in one area or another, and they're usually genderless - although, as you read the rest of this section, you'll find that's not always true
Anguished Unmaking Anguished Unmaking is a tidy little removal spell that handles anything, and that makes it a staple in Commander
Your opponents should absolutely not let you do whatever shenanigans you're planning on doing
Completing sets card by card: Pokellector next to whichever scanner you land on
Special Energy takes things up a notch, adding effects like extra healing, multiple types in one card, or special boosts
This festival was part of a larger campaign that introduced new mechanics and gameplay dynamics, particularly Terastallization