Unlike the video games, the Pokmon Trading Card Game offers 10 main types of Pokmon and energy : Colourless, Dark, Psychic, Fighting, Water, Dragon, Metal, Fire, Lightning and Grass
And if that niche is something inherently underpowered or under-supported (such as brand new set mechanics being pushed in the accompanying precons) then the new commanders need even more incentive text to make it viable
FromTheShire: Really, really nice piece for Boros Voltron decks
Also read: All Currencies in Pokemon TCG Pocket, explained The best way to get booster packs for free is to consistently complete missions that grant Pack Hourglasses and frequently check in to claim any daily rewards
Whether you have a powered up Nykthos, Shrine to Nyx or a twice-enchanted Forest to untap, Treachery lets you grab the best creature at the table, often with a positive mana advantage