Orcish Siegemaster makes your orc army a massive threat by giving it trample, and in return it also gains a power bonus whenever it attacks
At the end of your opponents next turn, if the token survives, You can special summon The Dragon Conjurer Lv 8 by tributing the token and this card
There are two main Lost Box variants: SableZard which, as Alex Schemanske (who made top 8 with it in Charlotte) puts it, beats the whole meta apart from Gardevoir and Rapid Strike
The set also split up Pokemon Power abilities into Poke-Power and Poke-Body, depending on the effect
There are specific Pokmon sets where, if you line up all the cards side by side, they actually make up one full artwork
It is meant to weaken, and the method of operation, battle results, and battles damage given to the opponent are basically the same