The unicorn is purity's impossible animal — the one-horned rarity tamed only by innocence, hunted for the horn's cures. Chasing unicorns names pursuit of the nonexistent-or-nearly; sighting one, the impossibly rare granting a glimpse.
Positive Resonance
The rare glimpsed, purity's standard met momentarily
Shadow Aspect
Chasing the nonexistent, the horn hunted off the marvel