Ára, Steadfast Librarian

Whenever you search your library, you get an experience counter.
At the beginning of your end step, distribute
X +1/+1 counters among creatures
you control where X is the number of experience counters you have.
{2}{g/u}{w/u} Exile target creature that dealt you
damage this turn. It's controller draws a card.
"Not in my library..."