Pokemon Breeder #73 (Pokemon Shining Legends | Pokemon Cards) prices are based on the historic sales
If you do want to use this line in your deck because they can fit into any type deck, I wouldn't use more than one each, you could definitely use Buneary right away then when you attack you'll have to switch it out, on the bench then evolve Buneary into Lopunny, get three energy cards on it, use Sitdown Bounce a couple of times then return everything to your hand
It gives you one more turn, but don't worry everyone, you have to skip your turn in order to untap it
Many of them are pills to sooth major pains at some kitchen tables around the world, especially Commander
With both commanders out you can turn your sacrifices into resources, helping to accelerate you in mana and putting you several turns ahead of your opponents