Srakhath, Lord of Bats

Deathtouch, Flying, Flash
When Srakhath, Lord of Bats enters the battlefield, vampires you control gain
deathtouch until end of turn.
Whenever another vampire enters the battlefield
under your control, each opponent loses 1 life and
you gain 1 life.
Whenever a vampire you control dies, you lose 2
life and draw a card