Croki, Fang of Asgard

Croki, Fang of Asgard 's power is equal to the
number of time counters on it.
Whenever a permanent you own is put into exile
or the graveyard, put a time counter on Croki,
Fang of Asgard.
{5}{b}{g}{t}, Croki, Fang of Asgard deals damage
equal to its power to target creature.