Fortunately, the spell is super effective against Tauto, and because it affects a large area, can be used to attack him at the same time it heals others.

Unfortunately,for the dude above me,he doesn't know that a very simple herb counteracts any efforts instantaneously.

Fortunately, as the person above Tauto is not a dude, she is able to create a spell that gets around the effects of the herb. (Not sure if it destroys the herb, denies the use of the herb (like putting Tauto to sleep), or inflicts something the herb can't deal with (like boosting the power of the caster's spells).)

Unfortunately (or not), time to start a new Story Tautoless.

Fortunately, we have a whole new set of randomly generated spells to play with,

Unfourtunitly, I reely suk at speling.

Fortunately,yu statted tat as eye taught it wus al spellt ocay.

Unfortunately, one of the spells seems to have summoned the user whose forum title is in all caps.

Fortunately it's the First Day of a New Month...

Unfortunately, that claim that it's the first day of the new month is actually an April Fool's joke.

Fortunately, things are going exactly as i am calculating...

Unfortunately, your abacus is missing a few beads.

Unfortunately, in your calculations you ran into a problem; you need to divide by zero in order to continue the calculations, but you can't do that.

Unfortunately, it turns out that the solution is "this problem is undecidable". (This puts it in the same category of things like the Parallel Postulate (in absolute geometry) or the Continuum Hypothesis.)