High Cathar Pious VII

When you sacrifice a creature you may pay 1 life
to draw a card. If the sacrificed creature is a
thrull you gain 2 life and draw 1 card instead.
{b}{t}, Sacrifice a creature give another creature a
+1/+1 counter.
{x}{w}{t}, Create X 1/1 White Thrull Tokens. If X is
greater than 3 bury High Cathar Pious VII.