Numa can lead a mono-green Elf deck that distributes +1/+1 counters among any number of Elves, and it has partner, so it can team up with Miara, Thorn of the Glade to add black mana, if the player so wishes
Hadanas Climb is not only a repeatable source of +1/+1 counters, but once you have a big enough creature, it will transform to give you an excellent way to punch through damage
The initial speed increase to 1 happens immediately upon controlling a permanent with start your engines, and you cant respond to it
How do I know that
Wheels usually draw a full grip of cards all at once, making them ideal for payoffs like Thought Reflection (or the speed variant, Vnwxt, Verbose Host), Niv-Mizzet, Parun, or Psychosis Crawler