Alastryna, powerful sorcerer

hexproof
{r}: Alastryna, powerful sorcerer deals three
damage to any target. active this ability only once
per turn.
{u}{u}: until end of turn target creature you
control gains hexproof and "this creature can't
be blocked."
{u/r}{u/r}{2}: search your library for an instant or
sorcery card and put it into your hand. then
shuffle your library.