It has a lot of configurable settings, including the ability to increase the maximum number of packs you can carry at a time (the default is eight)
Partner it up with another Legendary to have both of them as your commanders and hugely open up your drafting possibilities
Five mana is certainly not cheap, but its pretty strong to be able to pop a Jace, Architect of Thought or a Stormbreath Dragon on the way down and threaten to generate further advantage or even win the game on its own if left unchecked
Dragonair can learn Wrap, but not Horn Attack
sacrifice outlets like Phyrexian Altar or Carrion Feeder allow you to sacrifice your creatures when you need to
The first generation sets covered the original 151 Pokmon of the Kanto Region, as explored in the original Red, Blue, and Yellow games for the Game Boy