Additionally, ex cards, like Pikachu ex, Mewtwo ex, Charizard ex/Moltres ex, Starmie ex/Articuno ex, Venasaur ex, and Marowak ex, are the lynchpin for many of the most powerful decks in the game
You want to make sure you are able to cast them from your hand as you build your land progressively, and you want to have a good chance of consistently pull the right spells
"creature" spells summon creatures that can attack and damage an opponent as well as used to defend from the opponent's creature attacks
You can still use Mindslaver, but the deck isn't optimized for it and it may draw more heat than it's worth
Adding cards that draw, recur, copy, or boost your board when you play enchantments helps make every turn more impactful