Battle for Ridgemont Keep

Creatures you control get +1/+1 and have
vigilance.
When Liberation of Ridgemont Keep enters the
battlefield, create three 1/1 white Human Soldier
creature tokens.
{w}{r}: Sacrifice Liberation of Ridgemont Keep:
Destroy all artifacts and enchantments. Exile all
cards from all graveyards. You gain life equal to
the number of cards exiled this way.