Eternatus VMAX (Secret) - 192/189 - (SWSH03: Darkness Ablaze)

Card Text: Ability — Eternal Zone

If all of your Pokémon in play are Darkness type, you can have up to 8 Pokémon on your Bench and you can't put non-Darkness Pokémon into play. (If this Ability stops working, discard Pokémon from your Bench until you have 5.)