Werriti, Dreaded God

Indestructible, hexproof, deathtouch, lifelink
As long as there are 10 or more cards in your graveyard, other creatures you control have hexproof and deathtouch.
Werriti, Dreaded God can't attack or block unless your lifetotal is above half your starting lifetotal.
{u}: You draw a card and lose 1 life.
{b}: You gain 2 life.