Link, Hero of Time

Vigilance.
When Link, Hero of Time enters the battlefield,
search your library or graveyard for a card called
"Blade of Evil's Bane" and put it into your hand.
You may put that card onto the battlefield
without paying it's mana cost this turn.
At the beginning of your end step, transform
this card if it does not have "Blade of Evil's Bane" equipped to it.