Additional costs such as offspring costs, alternative costs, and the like are all factored in
Kicked Primal Growth is significantly better than casting Cultivate or Kodamas Reach
For example, if an effect allows you to cast an instant or sorcery spell with mana value 2 or less from among cards in your graveyard, you could cast Cease this way, but not Desist
Repeated promises from The Pokmon Company to increase production either havent been honored or havent made a meaningful difference, and a move like this really underlines just how uninvested it is in making things any better
Spending an hour or so organizing and building a deck or 2 from it is a great way of understanding cards you will likely fight against
At the time, only split cards did this and were always instants and sorceries