Kuraktor, Siege Bringer

Trample
When Kuraktor, Siege Bringer enters the battlefield, destroy all creatures you control,
create a 4/4 Spawn creature token under your
control for each creature destroyed this way.
{t}{3}: Place a spawn counter on target creature.
At the beginning of your upkeep, if any creature
has more three spawn counters on it, destroy it
and create a 4/4 spawn creature token under your control.