Romara, feared by death

Trample
Whenever a wurm you control dies, create two copies of it with power equal to its base power devided by two and toughness equal to its base toughness devided by two rounded down each time
{b}{b}{b}sacrefice a creature: Create a 2/2 black and green creature token with "When this creature enters the battlefield you gain one life and each oponent loses one life."