It's one of the few ways for mono black to remove enchantments, which is sometimes necessary, as certain enchantments can completely remove your commander from the game
Impetuous Devils 2RR Creature Devil 6/1 Trample, haste When Impetuous Devils attacks, up to one target creature defending player controls blocks it this combat if able
Ultimately, the bailiff at the end of the maze judged Jace to be best suited to inherit the power of the Guildpact, turning him into Jace, the Living Guildpact (hence the flavor of Maze's End winning the game when you've assembled 10 gates)
What I mean by this, is that sure you can attach your Life Dew or Rock Guard to a Trubbish, but with Catcher still being a largely played card in todays format, unless your opponent can get rid of that Tool, theyll probably work around your other Pokmon in play