Euva, Adoring Mother

When Euva, Adoring Mother enters the battlefield, create three 1/1 white Spawn creature tokens with lifelink.
{u}{b}, {t}, Sacrifice any number of other creatures: Search your library for a card with converted
mana cost less than or equal to the total
toughness of creatures sacrificed this way and
exile it. You may cast it without paying its mana
cost for as long as it remains exiled.