Iavir, The First Night

Whenever a tiefling you control deals combat
damage to a player that play may discard a card,
lose 3 life, or sacrifice a permanent.
Whenever a tiefling you control dies, if it was
blocking draw a card. Otherwise put a +1/+1
counter on a tiefling you control.
You will be my sword in this world. The first of
many -Heralth