Klyfe, Harbinger of Death

Trample, reach, double strike
When Klyfe enters the battlefield, if it was cast, destroy each creature you don't control.
Creatures you control get +X/+X, where X is
the number of creatures you control.
{1}{u}: Draw a card.
{1}{b}: Destroy target creature.
{1}{g}: Put a +1/+1 counter on each creature you control.