UniVersus is a collectible card game that drew on the long-running fascination with the Teenage Mutant Ninja Turtles, a franchise that has spanned comics, cartoons, films, and toys for decades. Starter decks serve as the entry point for new players and collectors, bundling a ready-to-play selection of cards that introduces the game's mechanics alongside characters fans already know and love. The 2025 Teenage Mutant Ninja Turtles starter deck brought the franchise's heroes and villains into this format, making it a memorable release for those who grew up with the Turtles and for newcomers discovering them through the game. "Growing Up Fighting" is card number 4 in the set, and it carries the spirited, action-driven feel that defines the Turtles' identity. Its theme speaks to the franchise's enduring message about young heroes learning their craft through training and perseverance. Collectors seek it as a representative piece of this starter release, appreciating how it captures the energy of the characters within the game's playable design.