Its Tenacious Tail attack deals 60 damage times the number of ex Pokemon your opponent controls, so against a full board, you can reach 360 damage with one Colorless Energy
They are all cards that can give that two for one there and then rather than having to wait to attack or untap or something
Drapion VSTAR 200/196 - Lost Origin Holofoil Drapion VSTAR 200/196 - Lost Origin Holofoil The Pokmon Company During your turn, you may make your opponent's Active Pokmon Paralyzed and Poisoned
The cards in the Classic set wont be tournament-legal, mind - aside from the Basic Energy cards included - as indicated by disclaimer text along the bottom of each card
Based on our daily handling volume, approximately one in every 150-180 boxes yields this specific card
Of the two potential troubles, it's arguably better to be up against a Lightning deck than a Fire deck