Its a neat addition that you cant copy your original copy with its Flashback cost as its a Frog, but if the original copy target is still on the battlefield you can copy it again
As removals, we have Zacama, Primal Calamity, Terastodon and, hardcast, Ulamog, the Infinite Gyre, which is more used as a defense against eventual mill decks
it's a gateway to thrilling battles and rare card discoveries
For example, if you cycle this shark early, Ellie and Alan, Paleontologists can exile it to discover 6 and bring out a bring threat ahead of schedule
Discard a 182 from this Pokmon
You also mentioned one of your inspirations was other artists - who are some of your favorite artists and/or the artists that have most influenced and impacted your work