It will show the new players the synergy of giving it either deathtouch or lifelink for major upside
There are two factors that tip it over the edge: first, the fact that the ramp on ETB reduces its commander tax to effectively one
Some of Jace's competition, on the other hand, has been more long-lastingespecially Emrakul, the Aeons Torn, which, a full 15 years after it was first released, is still the biggest, baddest, most broken creature that Magic has ever produced, as a 15/15 flyer that annihilates your opponent's board when it attacks and gives you an extra turn when you cast it
That said, the Commander Bracket system is probably better than the informal power level rankings , or leaving it up to players to say whether their deck is "competitive" or not without any solid criteria
Zombies arent the most universal creature type in white, but non-Zombie decks can still enjoy the fact that the token itself is white, and a 1/1, so itll be useful for anything that requires that like a Court Street Denizen, for example