Strength of Xando

Enchant target creature you control that's enchanted by an Aura you do not control.
Enchanted creature gains "{u}{b}{r}{t}: Sacrifice this creature, search your hand, library and graveyard for a card named "Xando, Aura Outcast" and place it on the battlefield, that card enters the battlefield with a number of +1/+1 counters on it equal to the converted mana cost of this creature."