The second Curse, Trespasser's Curse, plays around in a space we mostly steered away from: the Egyptian trope of booby-trapped tombs
explanation Interpreting the card name, It is said that the name of the card was created as a joke, and that market research did not actually show that players like long names
But the only way to differentiate them at that point is to make really complicated logic, so you constantly need to make more complicated stuff. Creatures knows Pokmon must, at some level, be something any child can learn quickly, so its opted to bump up the numbers instead of introducing too many new ideas
Just casting noncreature spells gives you mana you can create for free, all while pinging your opponents for every noncreature spell
Note this is entirely pointless because there is nothing that Starmie can do with the fourth water energy card