Also, Goldspan Dragon is a great pick if the deck is based not on Dragons, but on tokens and artifacts in general, with Treasures being great options for sacrificing permanents or putting lots of artifacts onto the battlefield at once
Placing Pikachu at the center of the frame emphasizes the charm of the moment, while the subtle stylization adds originality without straying from authenticity
I'm talking something along the lines of Combine Chrysalis or Academy Manufactor
Escape was a well-received mechanic, and spawned several tournament-caliber cards (at least one of which developed a deck based completely around it)
With that in mind, Meowscarada ex appears with a unique strategy and capability to deal damage on turn one
Having cheap artifacts around to tap makes this not really affect you and so very good at buying you the time you need