rule 34 2021 absurd res anus ass balls black mane black tail blackjack fallout equestria cutie mark cybernetic leg cybernetic limb dock equid equine fallout equestria fan character feral ftm crossgender fur genitals glowing glowing horn hasbro hi res horn leaning on wall levitation looking back magic male mammal mane multicolored mane multicolored tail my little pony open mouth pedalspony artist perineum pink inner ear prosthetic prosthetic leg prosthetic limb puffy anus quadruped raised tail rear view red eyes red mane red tail rule 63 screwdriver signature simple background solo tan background tools unicorn white body white fur 4394486