The thing that kept it balanced was that it was on very few creatures and only triggered once
Because you can set up threats easily, they fall into the same suite of backbreaking spells like Obliterate, Decree of Annihilation, Tectonic Break, and Apocalypse
Of course, that isn't to say that this card isn't a valuable one, with TCGPlayer showing an average market price of $359.80
"One Piece Tcg: Absolute Justice Navy Starter Deck [St-06]" falls under the category of Collectible Card Games.
There are five MTG planeswalker cards altogether in this collection: Elspeth Tirell - $0.75 Liliana of the Dark Realms - $17 Jace, Unraveler of Secrets - $4.61 Freyalise, Llanowar's Fury - $1.84 The Royal Scions - $0.50 Total - $24.70 As you can see, most of the value here comes from Liliana, and none of the cards see any play outside some niche usage in the Commander format
Kyloxs haste, ward, and menace make it harder to answer and block