Drumbellow: Untapping all your creatures each turn ensures that your attacking vehicles dont leave you defenseless
Lets dig into the rest of my list: Legendary Artifacts Creatures K-9, Mark I is a great card to have in a deck that cares about legendary permanents, giving your other legendary creatures ward 1 so long as it is untapped
Its missing the original chimeras snake tail, but more than compensates with crab claws, wings, and a tail that looks like jellyfish tentacles
Finally, it seems like Zur is even seeing a little bit of play in Standard currently, where players are using him to turn the Duskmourn overlords into creatures ahead of schedule to benefit from their busted attack triggers
On top of that, some cards can turn existing permanents into different types of cards or can have multiple card types, such as Planeswalkers that become Creatures or Creatures that are also Enchantments