X as your active Pokemon as soon as possible, I would do this for two reasons, the first being that you can then utilize Flygon's Poke-Body and make your opponent discard a card from their deck every turn, and as long as you have 3 energy cards on Flygon you can do 2 things to your opponent, if they had any Lv
He is a casual option for anyone who enjoys this character but doesn't want a broken deck
Restoring cards is seen as "altering" to some collectors and grading companies
If the Army you control leaves the battlefield with another amass spell or ability on the stack, it simply creates a new Army token
Two and Three mana Commanders wear equipment well, and if they have Flying, Menace, Haste or First Strike, they can get easy repeatable value
Deckbuilding is part of the fun of Magic: The Gathering