gravedigger collector

when collector gravedigger enters the battlefield
the opponent gains an emblem "with at the
beginning of his turn he sacrifices a spirit token".
Every time a creature dies the opponent creates a
0/1 white spirit token with defender and with
"when that card dies put a soul counter on the
collector gravedigger"
{t}: Remove 10 soul counters from gravedigger
summon a horror or spirit from your graveyard.