In Standard format which is the primary format at UK Regionals, Nationals, and most local league challenges your deck must only include cards from the currently active rotation
Even if Chun-Li is destroyed in combat, this just gives you another chance for more multikicker usage
She's also a great MTG commander, and really popular
Goblin Welder is on the shortlist of all-time strongest one-drops, and its ability to turn a random mana rock or an artifact land into Blightsteel Colossus (or vice versa on an opponents side!) is simply unmatched
In addition to the new label, collectors enjoy many other benefits with CGC Cards, such as the ability to submit without purchasing a membership and an industry-standard Gem Mint 10 Grading Scale
Pair this with Pikachu EXs low retreat cost and you have a fast, assassin-style deck