Thanks to the help of his mentor Astral, and the many powerful cards he acquired throughout the series, his deck became one of the most powerful in the series
Goblin Recruiter is likely seeing a big spike due to the Goblin Storm Commander deck , and while it only launched recently, the hype around it has been building up for weeks
Its effect is that it enters the battlefield with two counters on it
This leaves the deck also feeling split between defense and offense, which you could easily spin as a situational build, but in reality, it needs to pick a lane and commit, rather than trying to play both sides of the fence
It doesn't help that most of them are colorless or mono-color, massively restricting what cards you can play