pokemon card regigigas ex & Legendary Giants - Regidrago - Regieleki - Regice - Regirock - Registeel Promo Card Type Pokemon Card Game/[BW3] Hail Blizzard]Regigigas

For all the info on those events, check out the set's Prerelease Guide and Where to Play articles

Editing helped me with templating

Over the years, Blissey has endured across generations due to its unique role and reliable presence in the Pokmon universe

But this knocks both out of the park with your chances of striking something special

The Development team kept lowering the number of poison cards until it was zero, and they declared no more poison

All told, the sorcery speed of this card probably holds it back more than the potential for it to be dealt with and the consequential aversion to targetting EtB effect creatures with it