In terms of its role in the mainline games, Vanilluxe is typically not a starter or rival Pokmon but serves as a reliable companion for trainers navigating cold environments
Even without a clear exploit, giving your tokens menace and generating an additional attacker each combat phase lets this red enchantment apply plenty of pressure
A number of Shining Pokmon are in the set as well, such as Shining Celebi, Shining Typhlosion, Shining Lugia, and Shining Entei
The same is true of a Stage 2 Pokmon, which must be played on top of a Stage 1 Pokmon to evolve it
But if it's not your thing, don't get too hung up on optimisation
Agree that Chansey is also one of the more obviously (a bit) overpowered/OP cards