No matter how righteous your need, I don't think anyone here can help you. While Cedric has a site with patches to transform one version of Civ2 to another, essentially, the only types of patches and what not you will find here, or that we can point you to, are for those who already have some version of Civ2 on their computer. A moderator can confirm this, but I believe the forum rules call for banishment for even posting links to sites where you could download a working version of Civ (or any other "warez").
I feel your pain, but you will have to either shell out the extra bucks for another copy of the game, get your parents to dig out your copy, or suffer through the withdrawal. (n.b.: while painful, withdrawal is actually a good thing.)
EDIT: I think too long about my posts: Duke has already given the essential answer.