Where would you find Buster Bladers in a booster pack or a Tin Can in a starter deck in Yu-Gi-Oh?
You can find Buster Blader in Pharoah's Servant (PSV) and Dark Beginnings 1(DB1)
"THE ONLY WAY"to get a holographic card in a yugioh booster pack is luck, because you never know what your going to get in the booster pack and it will NEVER tell you if there is a holographic/or Ghost rare yugioh card inside the booster pack, so it's pretty much you gambling to see if you will get a holographic yugioh card inside.
Stated on the back of a booster pack will be the number of chances of getting a common, rare, etc. card in that booster pack series. If you want to know what booster packs has the best cards for the kind of deck you want to build, check out the Yugioh Wikia (yugioh.wikia.com) and you can look at a list of every card in every booster pack.