You won't be caught again! As you see her about to blow more fairy dust, you leap out of the way. Haha! Outsmar-- Oh.
The agile fay is now in front of you again, with a sly mischievous smile on her face. Before you can try to make another evade attempt, she blows the dust right into your face, sending you on the ground, sputtering and squirming.
"Gah! Damn you!" you shout fruitlessly as your whole body tingles. You feel as though you're being stretched and getting bigger. Wait a min...hey maybe she's actually turning you back to normal!
As if reading your thoughts, the fairy giggles.
Why she was giggling, you soon noticed, as pristine white fur began to grow all over your body. You felt an uncomfortable sensation in your spinal column as it readjusted itself to that of a quadruped. Looking on in horror, your hands and feet compacted into solid silver hooves, as your face pushed outwards into a muzzle. Your new long blonde hair remained mostly the same, but a matching blonde tail grew out from your...flanks. You gave a frightened instinctual whinny as a silvery bony horn grew out from your forehead. A sensation of something strange and mysterious flowed throughout your body and circled back into the horn, magic coursing through you for the first time.
Then, it was finished, and you slowly got up, new muscle memories allowing you to stand on all fours with ease.
You look to the fairy, who still has that impossibly smug grin on her face, and...