Xerath, Magus Ascendant

Reach
Whenever you cast an instant or sorcery, put a
+1/+1 counter on Xerath, Magus Ascendant.
{3}{u/r}{u/r}: Search your library or graveyard for an instant or sorcery card, reveal it, then put it into
your hand, then shuffle your library. You may
only do this twice until your next turn.
When Xerath, Magus Ascendant is put in any graveyard, exile it, then cast it from exile with
suspend 4.