Unquenchable Hatred

Whenever a creature enters the battlefield put a revenge counter on it.
{b}{b}: Destroy target creature with a revenge
counter on it, transform Unquenchable Hatred.
"The most powerful being on earth could not be resisted,
as far as the new Iron Duck thought. He would have revenge Webslinger for the death of his father, no
matter who got in the way. The world could
die if that be their choice."