Onugara, light's bane

protection from white and angels
whenever you sacrifice a creature,
put a thirst counter Onugara.
when Onugara has 15 thirst counters on it,
you win the game
sacrifice a creature: Onugara deals 3 damage to any target, distribute three +1/+1counters
among creatures you control
"With the apparition of a new dark force in Starnheim,
the valkyries rushed to destroy it. What they didn't know
is that they should have fled. "