Jacket, Relentless Assassin

When Jacket, Relentless Assassin enters the battlefield, you may reveal a Human or Assasin
card of your hand. If you do, Jacket, enters with
a +1/+1 counter on it.
{1}{r}{r}: Jacket dealts 2 damage to target creature.
{3}{r}: Jacket gains first strike until end of
turn.
"So this is what the end looks like... Beautiful."