That may intimidate lesser combatants, but you ain't scared
A 2/4 flier for three mana is great, and on top of that, it can facilitate a lot of lifegain in your angel or cleric tribal decks
Look for cards featuring Pokmon such as Squirtle, Bulbasaur, Jigglypuff, and of course, Detective Pikachu, all depicted as CGI creations
Any cards it touches are destroyed, which is exceptionally silly
Hustle is useful because you can search it and because of how much you can do with him thanks to his effect and the field spell, so even if he dies chances are you summoned a Railcar and got something useful out of that deal anyways
Card draw is a powerful resource in Magic: The Gathering, regardless of format, making this uninvited thrasher valuable even if he never takes a swing during combat