Once a Thopter that came under your control this turn has legally attacked, causing it to lose haste by removing Pia Nalaar won't remove that Thopter from combat
The Jumpstart format has also been unbound from its paper roots where the original would simply give you a random selection of themed packs to pick from, WotC tells me it can better collate Historic Horizons packs to offer a greater variety of options and synergies each time, or even keep track of which packs youve picked previously to provide fresh options on your next run
Now we have something like this attached to a good dragon, that can even gain you some life
How punishing is Ral Zarek to opponents that cant remove him
By accommodating other token types like this, Adrix and Nev give you a lot more options than just going wide
And since theyre never going away, lets take a moment to appreciate some of the most classic, powerful, important counters in Magic history