Throne of the Haltimulicrum

If this card is in your hand whenever you cast a
spell named Haltimulicrum, you may cast this
spell without paying its mana cost.
{4}, {t}: Exile target nonland permanent. Activate
this ability only while you control a permanent
named Haltimulicrum.
The core of the Haltimulicrum hums with a constant
flow energy. Occasionally, it pulses, erasing another
being from existence.