The ability to lock down your opponent so brutally is an opportunity thats hard to pass up.
Commander is the single most popular format in the game, and its widely considered the least competitive/most social format
Combine that with her being entirely reliant on you already having a good, non-legendary creature in play, and most times I think I'd rather just be playing another good creature
It can grab Mangara of Corondor if you need to blow something up, for example
Of those, note that three (Duel Monsters, Duel Monsters II: Dark Duel Stories, and Duel Monsters 6: Expert 2) have never been previously released outside Japan, making this an especially exciting collection for Yu-Gi-Oh fans in the West
During your Main Phase: You can send 1 Zombie monster from your Deck to the GY, and if you do, this card's Level becomes the difference between the sent monster's Level and this card's original Level