Your custom sketch will be drawn entirely at the discretion of the artist
Moves also have elements the same way that Pokmon do, and Pokmon get a 50% stat bonus for using a move that matches its type
That is, rather than attempting to piece together a combo win once each opponent has been locked out, they seek to win through tried-and-true combat damage strategies, as is the case with Jetmir, Nexus of Revels
The mana cost is a bit steep, but cards like Zirda, the Dawnwaker and Training Grounds can clear that upplus, its not like artifact decks are known for lacking mana
Or, if you have more time, group them into sets, and sell smaller lots
These include winning the battle within a certain number of turns, using a deck of a particular type of Pokemon, and more