The Horse, Singer of Tales

The Horse's power and toughness are equal to X.
Mentor (Whenever this creature attacks, put a
+1/+1 counter on target attacking creature with lesser
power.)
When this creature dies, create a 4/2 white and
black Skeleton creature token(s) with intimidate
and hexproof.
Escape — {3}{p/r}{p/g} (You may cast this card from
your graveyard for its escape cost.)
"I ain't gonna be pushed around."