Vex Offensive

At the beginning of your upkeep create a
2/2 Vex artifact creature token with vigilance,
then if you control three or
more creatures with vigilance, put a +1/+1
counter on each creature you control.
"They seek Convergence, the reduction of all life to its simplest, most meaningless form. An entelechy of zeros
and ones."
— Sister Faora