I'm pretty sure MFC keeps track of where tokens are being bought, so your recently purchased account will likely be banned for what they think is fraud. Also, I'm not really sure what accounts would go for, but one with decent rewards points would probably cost more than the price to just buy enough tokens to get the 900 token package.
Contacting MFC and asking them to increase it is probably the best bet. Sometimes they do, sometimes they don't, good luck.