Selkath, The Forgotten

Reach
Whenever Selkath, the Forgotten is dealt damage create that many 1/1 green spider creature tokens.
{b}: Sacrifice a spider: Each opponent loses 1 life
and you gain 1 life.
{2}{g}: Spiders you control get +1/+0 until the
end of the turn.
{4}{b}: Spiders you control gain deathtouch until
the end of the turn.