Kri-kri's Sanctuary

When Kri-kri's Sanctuary enters the battlefield, exile X target Goat tokens and put X Shelter counters on Kri-kri's Sanctuary.
{1}, {t}: Exile target Goat token, add 1 Shelter counter to Kri-kri's Sanctuary.
{w}{r}{g}, sacrifice Kri-kri's Sanctuary:
Put X 0/1 white Goat tokens into play under
your control where X is twice the number of Shelter counters on Kri-kri's Sanctuary.
"They are multiplying like rabbits! I guess they had to pass the time somehow..."