Its a truly iconic card, and despite those aforementioned, countless printings, many variants can sell for pretty high values
When you can put a +1/+1 counter on any creature you control with lifegain triggers, you have a much more flexible card, and you can enable lots of interactions in +1/+1 counter-matters decks
Juggernauts matter isnt really a thing, so Graaz is best built around a supporting cast of cheap, scampy creature tokens like servos, thopters, and myr
I guess that brings us full circle, doesnt it
The great thing about Jumpstart is that its cheap a new account grants you enough currency to try the mode three times and the cards you pick are yours to keep