Caligula, Emperor of Death

When Caligula enters the battlefield, you may
sacrifice a creature, if you do, each opponent
sacrifices a creature.
When Caligula, Emperor of Death dies, create a
Treasure token.
Flucticulus Diana - {b/r}{b/r}, {t}, Exert Caligula,
Emperor of Death: Creatures your opponents
control lose all abilities until the beginning of your
next upkeep.