Pyre, terror of the abyss

Flying, Trample, Menace, Death Touch
{b/g}Pyre, terror of the abyss gains a 1+1 counter X
amount of times where X is the amount
of creatures that your opponent(s) died this
turn.
All of your other creatures gain a 1+1 counter
every turn that Pyre, terror of the abyss uses
this ability