(If you haven't read those articles yet, be sure to check out parts one and two.) While I will briefly touch on their creation in this column, this article is more about how the planeswalker card type has evolved mechanically over the years
Initially, you won't get as much Shinedust as you will be collecting your initial cards, but as you open packs or choose from Wonder Picks and get more duplicates, you will slowly amass Shinedust
Check out a couple of artifacts
Legendary Creature - Human God owyn, Shieldmaiden First strike At the beginning of combat on your turn, if another Human entered the battlefield under your control this turn, create two 2/2 red Human Knight creature tokens with trample and haste
Sadly, this starts with Throne of Eldraine (2019), which is one of the worst things to happen to the game
It doesn't have to be attacking the same player or planeswalker that Gyrus is attacking