Sorin, Bloodthirsty Vampire

Every upkeep, each opponent loses 2 life and you gain life equal to the life
your opponents lost this way. Flying, Lifelink
{b}{b}{b}: Each opponent loses 2 life and you
gain 2 life.
{4}{b}{b}{b}{b}: Each opponent loses 10 life, you gain
life equal to the life your opponents lost
this way.