Unless youve got ways to place +1/+1 counters on Creatures, youre enticed to cast the Vehicle side Jetfire, Air Guardian first, as a 3/4 flyer that can Adapt 3 to become a 6/7 Flying Creature Youre effectively paying 7 Mana to get that 6/7 Flying robot, but you do have the option of removing those +1/+1 counters for colourless Mana
This enchantment has many applications, but what you should be excited about are these: Commanders like Kykar, that generate creature tokens from the Command Zone
There's no once per turn clause here, and eerie even triggers off unlocking rooms, if you're so inclined
Lavinia, Azorius Renegade could definitely shift the scene, whether from the sideboard or even in the main deck of something like Humans or Miracles
However, Hyper Beam is anything but that