Knight of the Blood Crypt

When Knight of the Blood Crypt enters the battlefield, create a legendary 3/3 black and red
wolf legendary creature named Blood Crypt
Guard. It has "At the beginning of your upkeep,
each opponent loses 2 life."
Whenever a spell or ability causes one or more
players to lose life, Knight of the Blood Crypt
does damage equal to the amount of life lost to
any target.