During the Discordian Era, Chaos ran free, allowing many monsters to establish solid footholds. Footholds that were lost when Celestia and Luna cast down Discord and took his place as the rulers of Equestria. Now, many thousands of years later, the Elements of Harmony, the very same tools that struck down Discord, belong to six individual ponies. Six vulnerable ponies. An ancient draconic vampire begins his campaign of revenge, uncaring of who is caught up within it. His first target? The Element of Magic, student of Princess Celestia, Twilight Sparkle.

Art by Archonix Source is in the link, and he does do commissions.

Discord has many artifacts, and he decides to give his "Dear Friends" a taste of what his mischief was like back in his heyday. At least, indirectly.

It's not HIS fault ponies are so fun to toy with.