How about a short range MG which is called "tickler". You get near an enemy and tickle him off.
Or a blade which when it dissapears at the end of its range, you replace the sprite, except when it hits an enemy, where you don't. A bit like Teleport, that clvl18 skill. At lvl 3, you replace the sprite regardless of it hitting or not, provided you are invincible while the attack animation haven't finished yet. Complicated, and I'm only suggesting since I won't ever be able to understand how to hack anything much.