I spoke with Ken Nagle, the design team lead for Worldwake , about Jace and what his team worked on for Jace before handing it off to my final design team
The body is not huge compared to what is coming out by turn four however it is a very significant body, 3 is enough damage to get things done, 3 enough health to cope with a lot and flying and vigilance combined make the card very effective at any stage of the game in a wide array of situations
Before the tournament, I wasnt sure exactly where Id want it or how good it would be, and during the tournament, I realized that Amulet Titan was a horrible matchup for me, which wasnt a great thing to realize in a tournament where it was tied for the most-played deck, but I discovered that Oko was also a reasonable desperation move that I could add to my deck in any bad matchup where I needed to be able to close a game quickly, something my deck generally cant do, and it actually let me win a match against Amulet Titan
Hopefully that breakdown of why Stock Up is relevant and just how much it helps decks across every format provides some insight into just why everyones talking about it (and why a Standard-legal Uncommon is more than $15 CDN!)
Enel, Alternate Art Leader, OP-05 098 ($76) This Enel card featuring the tyrannical character who rules the island of Skypiea is an alternate art Leader card, depicting a close up of Enel