Backup Soldier X TRAP While there are 5 or more monsters in your Graveyard: Target up to 3 non-Effect Monsters with 1500 or less ATK in your Graveyard
Mechan Assembler reminds me a lot of Saruman the White, which looked really weak at first but ended up being a very strong build-around in the Lord of the Rings format
Bennie Smith Bennie's played Magic since 1994 and has been writing about it nearly as long
Cloud would totally be a better striker than Rooney.
To activate Psydrive, you need to attach 4 Energy to a1-129-mewtwo-ex, which can be a tad tough to get, on top of that, every time you activate Psydrive, you're forced to discard two Psychic Energy from a1-129-mewtwo-ex, stopping you from reactivating it on the upcoming turn
Below is a complete breakdown of all Lost Origin prerelease cards