The player puts that card onto the battlefield and all other cards revealed this way into their graveyard
Attacking with a lot of small creatures will let you damage fast protection decks, and losing one small creature in combat isnt much of a loss
I have a whole series on amazing Pokemon card artists you can read.
For those unfamiliar, I mainly play Battlecruiser and Low Power, so most of these cards arent going to be your new hidden tech for competitive play, though I will be hinting at some best in slot options that currently get played and highlight some lesser known variants with similar effects
Kuzan draws you a card, so youre gaining value from him, and when he attacks, he gives one of the opponents Characters -4-cost
Penned by original Game Freak illustrator Ken Sugimori, it is one of the most influential pieces of artwork in the series