Itinerate Librarian

Whenever Itinerate Librarian deals combat
damage to a player that player reveals their hand.
You choose a noncreature, nonland card from it.
That player discards that card.
If you control one or more creatures that share
exactly one color with Itinerate Librarian each
of those creatures and Itinerate Librarian gain
Flying.
"You'd be lost without me, wouldn't you?"