Increasing life span by 50% - that's like instead of living til 90 you live to 135 (90+45). It doesn't go into the specifics, but I'd assume you'd still age normally and that means it will be hard. As you get older the body becomes worn out, weaker, and starts failing. Sure you will be around for longer, but how good will the quality of life be?
As for the increased luck with money, there is a catch: love eludes you, and money doesn't truly buy happiness...
The first and last choices are not totally useless though. The first one you can give to your friends for the lulz and the last one is colorful plus you get free satchels every month =)
I reckon I'd choose either green, blue, or brown.
Pretty much for the same reasons everyone else has given for them c:
Also, if you had the green one, how cool would it be to have a trusty wolf sidekick? Someone annoys you, Wolfy, rip his face off c:
There's no certainty - only opportunity..-V
This is starting to sound like the plot of Misfits (TV series in the UK)