Eskilamp, Best Disciple

When Eskilamp, Best Disciple enters the
battlefield, it deals X damage to any target
creature or player.
{x}{r}{r}, Sacrifice Eskilamp, Best Disciple:
Eskilamp, Best Disciple deals X damage
to any target creature or player. This X can be
a different value than the X chosen when you
cast Eskilamp, Best Disciple.