Lilith, Chosen by God

Flying, Vigilance, Lifelink, Trample, First Strike,
Haste
When Lilith, Chosen by God enters the battlefield, there is an additional combat step, followed by and additional main phase.
When Lilith, Chosen by God dies, if Peter, Vessel
of Darkness is on the battlefield, return Lilith to
the battlefield at the beginning of the next end
step