Xaris, Dragonlord of thunder

Flying, hexproof, first strike
{4}{u}: Target creature getshexproof and flying until end of turn.
{4}{r}: Target creature gets +4/+4 until end of turn.
{10}{u}{u}{u}{r}{r}{r}: Every opponent loses ten health. You may draw up to ten cards.
Exile up to ten nonland permanents.