Henkan,Visionary of Forms

: Henkan, Visionary of Forms is all colors and enters the battlefield with a loyalty counter on him for each color of mana spent to cast him.
+1: Until end of turn, Henkan, Visionary of Forms becomes a copy of target creature. Prevent all damage that would be dealt to him this turn.
-X: Sacrifice a creature.If you do,search your library for a creature card with converted mana cost X plus 1 or less and put it onto the battlefield.