Arkillo

Neutrality (Choose Vigilante or Villain as this card enters play. This card is that additional creature type)
Light Constructs you control have vigilance.
Whenever an opponent's creature dies during your turn, create a 3/3 black Light Construct creature token with flying.
Tap an untapped Light Construct you control: Arkillo gets +1/-1 until end of turn.
{t}: Create a black 3/3 Light Construct creature token with flying.