We certainly can expect them to be added as rewards in future promo events
And as reported by Wargamer (thanks PC Gamer ), people are already putting the card up for sale on eBay
The only Normal Monsters to be restricted are the four limbs of the Forbidden One, which are all Limited, and the Match winners "Leonardo's Silver Skyship", "Sakyo, Swordmaster of the Far East", and "Shelga, the Tri-Warlord", which are Illegal
Praying Mantis X WIND Level 4 [ InsectEffect ] ATK 1500 DEF 1200 Once per turn, when an opponent's monster declares an attack: You can send 1 card from your Spell & Trap Zone to the GY
Players competing in the official tournaments at participating stores will receive exclusive goodies, along with the opportunity to win more by completing special challenges in-store
Pokemon Card Strategy: So as far as strategy goes, since Flareon is a stage 1 Pokemon card, you'll first have to get Eevee into play and then evolve Eevee into Flareon