its not a generic support card so much as a perfect enabler for Auntie Ool, Cursewretch, and you can expect to see the two cards paired together often
The card depicts Charizard in a fiery pose, with the reverse foil effect making the image appear shiny
The card itself is unique in several ways, with the most obvious being that it says Illustrator and not Trainer at the top
Each of those copies for each creature and draws that many, which gives you more cards for the next copy of expertise
Others lean into lifegain, hatebears, or heavy board control
Theres even a simulation feature that runs large batches of goldfish games to test consistency and curve performance, which feels a lot closer to actual playtesting than the recommendation systems most deckbuilding sites rely on