Creating new card types isn't something we explore very often, as the bar for making them is incredibly high, but it's a tool we've used effectively over the years, with planeswalkers being a notable success
Similarly, each time a Horror creature, Nightmare creature, enchantment creature, or face-down creature you control attacks an opponent, that opponent become afraid of you for the rest of the turn, regardless of what happens to the creature that attacked
Think Teferi, Time Raveler, Hydroid Krasis, Siege Rhino, Goblin Chainwhirler, etc
Squirtle at the Beach Squirtle enjoys the sunshine near the water, holding a small shell
Lost Vacuum needs to see a Pokemon Tool or a Stadium in play to put in the Lost Zone, so if we must we can put PokStop in the Lost Zone