Leliel, Student of Illusion

Flying
Whenever you draw a card, put a study counter
on Leliel, Student of Illusions.
{x}, {t}, Remove X study counters from Leliel: Create X copies of Leiel but they are Illusions in addition to their other types, they are no longer legendary, and they gain, "Whenever this creature becomes the target of a spell or an ability, sacrifice it."