You can use it to lock down your opponents' creatures, forcing him to walk into Wrath of God or other mass removal cards
In fact, youre better off running Arcanine EX or Flareon EX
While Reserved List cards are especially likely to be bought out (which is the most common cause of a price spike) thanks to their low supply and the Reserved List itselfwhich offers a wall of protection around speculators, who don't have to worry about a surprise reprint ruining their investmentolder, low-supply Modern, and Commander cards deal with the same issue, just on a smaller scale
the Maximum Monsters were designed as Level 5 monsters that are able to utilise their effects without the need to be in Maximum Mode, the Deck was given swarm and beatdown tools through cards such as "Elegant Egotist" and "Triangle Ecstasy Spark", and Rush Duel adapted the core "Harpie" strategy from the OCG / TCG wherein most of the Deck's members are treated as "Harpie Lady" ("Harpie Lady Sisters", in the case of the Maximum Monster) while on the field or in the Graveyard
Squee, Goblin Nabob Squee is
Its presence is pivotal, representing not only a strategic choice due to its Fire-type abilities but also a personal one, as players often form deep attachments to their first Pokmon partners