Savage Plunderers

Myriad, Ward- Discard a card, Skulk (This
can't be blocked by creatures with greater power)
When this enters the battlefield roll a D20, if
you roll a 1 -6 you lose 3 life, 7-12 opponents
lose 3 life, 13 or higher you also gain 3 life.
Whenever this creature deals combat damage
to a player you Take The Initiative.