Blaze Wurm

When Blaze Wurm enters the battlefield, it deals {x} damage to any target. Whenever Blaze Wurm
is dealt damage, you may pay {3}{r}{r}. If you do,
Blaze Wurm untaps and deals damage equal to
it's power to any target.
When Blaze Wurm dies, you may pay {2}{b}{r}.
If you do, destroy target nonland permanent,
and Blaze Wurm deals damage equal to the
Converted mana cost of that permanent to
any target.