Krungo's Corner

When any card is put into a graveyard, instead
exile it and put it under Krungo's Corner.
If there are 15 or more permanents under
Krungo's Corner, sacrifice Krungo's Corner
and destroy all creatures.
{2}{b/g}, {t}: create a 1/1 mouse token for each
creature card exiled.
{5}{g}{g}, {t}: mice you control gain +X/+X
and trample for every creature card
exiled under Krungo's Corner.