Shadowthrone Tyrant

Reverence
For each creature that worships Shadowthrone
Tyrant, it gets +1/+1 and your choice of menace, deathtouch or lifelink.
{2}{b}, sacrifice a creature that worships
Shadowthrone Tyrant: put a +1/+1 counter on Shadowthrone Tyrant and draw a card. If you do, discard a card.