And then the next strip brings up Spike. Seriously writers, this was your new low in continuity failures until the Season 8 finale. (For those playing at home, they were halfway through writing it when they realized they'd accidentally killed off all of Cloudsdale, so they decided to pretend that only unicorns have/use magic. We know that it was this haphazard because Tirek is right there in the episode to remind us that this contradicts his last appearance.)