It can be oppressive, especially in decks with access to large amount of draw (anything Simic, usually), and Ive found often locks one player out of the game whilst the players with the more durdly value engines have time to set up their less attention-seeking pieces
Plus, if you dont have any cat creatures in your hand, Kemba, Kha Endurings activated ability can make one for you, which also comes with a free equip when the cat token enters
Theyre famous for offering scratch-resistant sleeves that protect against water and dust, usually a notch above (quality-wise) the other brands
Finally, lets discuss both colors together
Personal opinion: The best practice is always to playtest your deck and decide what feels better for it based in its needs and the way you like to play
Its a hard counter, but compensates the opponent with a 2/2 bird for their troubles