supreme victors booster box A 2009 Platinum Pokemon Pack! Some good stuff in here...potentially Pokemon Platinum Supreme Victors Booster

Each other creature you control becomes a copy of that creature until end of turn, except it isn't legendary if the chosen creature is legendary

That said, they can be found in both the fancier Collector Boosters as well as one in every three of the regular Play Boosters that are used for Limited events like Draft and Sealed

10 Super Rare Cards

Related: More info revealed about trading feature in Pokmon TGC Pocket McDonalds to release Dragon-type Pokmon cards in Happy Meals While in the past, McDonalds tended to release different exclusive starter cards, it seems as if they are going down the route of fierce Dragon-type cards this time around

That was the original idea technically , but it was too painful

Even scarier, it's often used alongside cards that gain control of other player's permanents, like Claim the Firstborn, to ensure you never have to give it back