Apothecary, Poverty's Witness

When Apothecary, Poverty's Witness enters the
battlefield, search your library for a card named
Vial of Poison and put it into your hand.
You may reveal a card named Vial of Poison from
your hand, Apothecary, Poverty's Witness gets
+3/+3 until end of turn.
This can only be done per turn.
My poverty, but not my will, consents.
-Apothecary, 5.1