Lil' Cheese Vengeant

First strike, haste
Whenever a creature enters the battlefield under your control, Lil' Cheese deals 1 damage to any target.
{1}{r}: Create a 0/2 Cube artifact creature token
{2}{r}: Sacrifice a cube: Tap target creature an opponent controls and put a stun counter on it. Until the end of your next turn, its activated abilities can't be activated.