Take your time, purchase cheaper singles to round out your decks, and discover your favorite cards and playstyles to become a better player.
We are going to look at ways you can upgrade your starter deck to improve it and make it more powerful and better able to compete in the meta
Yzma has my favorite statline for a three-drop, as a 3/4 can often set up multiple favorable challenges in the early-to-midgame, allowing me to dominate the board
Players could still get and play unserialized versions of the card to play, which is to some extent the same here as each of the chocobo is the same color, but while the art used for the One Ring cards would be different, it was still just the same ring, just with a different picture
So as long as you have no more than 4 of that specific card, there can be as many similar cards as you would like