Thats pretty nice, though the fact that it goes away means youre heavily incentivized to trade it off when you can
This fix is not retroactive
Evolutions features a set of reprints from Pokmon's original card set
There is, of course, a premium Battle Pass of sorts, which provides ongoing access to more content, and furthermore lets you unlock more content as you progress and time passes
But every time a creature you control becomes the target of a spell, regardless if the spell is yours or your opponent's, you get to dish out poison counters
This makes her incredibly resilient to board wipes, as she can simply reanimate her most important pieces turn after turn