Ily-Leron, Simic Formspinner

{x}, {t}: Mutate target creature you control with converted mana cost equal to X (Exile it, then
search your library for a card with converted mana
cost equal or one greater than the sacrificed creature's
mana cost, then cast it without paying
it).
"I keep him in my ranks so that his prowess in envisioning better forms for creatures stays under
control.
Let's hope he stays loyal" - Krix, Lifeforger