Istaria, Azorius Investigator

When Istaria, Azorius Investigator enters the battelfield search your graveyard for up to one
Athena, Watchful Familiar and return it to your
hand.
At the beginning of your upkeep, investigate.
Firststrike
As long Athena, Wathcful Familiar ins on the battlefield unter your control, Istaria, Azorius Investigator has Vigilance.