Most of them are creatures, but there are a few notable tribal instants that are also changelings, such as Shields of Velis Vel
Then you can exile a graveyard and gain a bunch of life, ramp out two lands of any type not just basics tapped, make a pair of 2/2 Bear tokens, or toss a pair of counters on all of your stuff for the going wide, and with the Bears as a default that's two 4/4s for six mana on a naked board
Super janky stuff but will be glorious if you can pull it off
So Pokmon TCG sets in recent years have been built of your regular cards with the small window of art, Double Rares that are either the older basic Vs or the more recent basic ex cards, Ultra Rares which tend to be more elaborate V/ex arts or full-art Trainer cards, then the desirable Illustration Rares (IR) which are full-art cards depicting Pokmon in their environment, followed by Special Illustration Rares (SIR) which also full-art, but mostly far more elaborately detailed
But fan artists on social media and PokeBeach quickly pointed out anomalies in a few of the entries indicating the use of generative AI