Pairings include Reshiram & Charizard-GX, Marshadow & Machamp- GX , Gardevoir & Sylveon- GX , Greninja & Zoroark- GX , Muk & Alolan Muk- GX , Ultra Beasts Pheromosa & Buzzwole- GX , and Lucario & Melmetal GX
The precon also contains a very, very good reprint
Up to last year the go-to search engine was Magiccards.info, but then Scryfall came out as an effort to modernize MTG searching & deliver things Magiccards.info wasn't doing, and so far they're succeeding
Each of the tokens copies exactly what was printed on the original creature and nothing else (unless that creature is copying something else or is a token
There aren't any major rules that are unique to Artifacts, but many cards care about the number of Artifacts you control, or can only target Artifact permanents