The new Jin-Gitaxias copies the first sorcery, instant, or artifact its controller casts each turn and counters the first sorcery, instant, or artifact that their opponents cast each turn
The Un-Sets, imo, are really something that ought to be kept around as they offer freedom, creativity and forward/very forward thinking
Well, at the time, they wanted to make some white aggro cards people would play that wouldnt just keep pushing Thalias Lieutenant even harder And thats a really, really hard act to follow
In the unusual case where Stormsplitter becomes a copy of something else while its triggered ability is on the stack but before it resolves, the token will enter as a copy of whatever Stormsplitter is copying
Map tokens show a willingness to play with the complexity of tokens, which demonstrates how engrained they've become to how we design Magic cards, although I will admit it's an area we have to be careful with