Lair of Class

Whenever a creature you own is put from your battlefield or graveyard into exile, put a charge
counter on Lair of Class.
{t}: Exile a creature from your graveyard.
{t}, Remove a charge counter from Lair of Class:
Untap target land or artifact you control.
{2}, {t}, Remove X charge counters from Lair of
Class: Put X charge counters on target land or artifact you control.