Ner'Zhul, Orc Mage

{5}{u}{t}: Take an Extra turn after this one.
Ner'Zhul wont untap until your next turns
untap step.
{x}{b}{t}: Deal X damage to any target then you
gain Twice X life.
{4}{r}{t}: Target creature gain double strike and
+X/+0 until end of turn where X Is that
creatures power.