You can activate it even if it's not self-destruct, but your opponent will deal with it with removal
Flygon's first move is called Reactive Blast and only takes 2 energy cards, 1 colorless, 1 electric and does 40+ damage depending on if you want to discard any react energy cards from Flygon while you perform the move, so in essence, Reactive Blast can do 100 damage for 2 energy cards, if both your energy cards attached to Flygon are react energy cards
The photos show how a group of enthusiastic friends (and one talented artist) can turn a heap of items you'd find around the house into props for one of the world's biggest tabletop games
If you want to talk numbers, Id say 8-10 pieces of mana ramp is a good number to aim for, but thats very arbitrary
Youll either have to wait, or take a chance
To keep it fresh keep it out of light and the lid on tight