Strategy for a quick win: Pick undead, save 1300 to purchase the flailer, upgrade speed, attack down a single column and send a charge of flailers when available. While many other strategies suggest spamming many weaker units such as spearman or halberdiers... DONT. The problem with doing so becomes very apparrent when your opponent begins sending relentless charges. More units means more deaths, more deaths means more frequent charges by you opponent. Trust me flailers are golden and look terrifying to boot.