Knight of Insanity

Whenever a Horror you control becomes the
target of a spell or ability, choose one at random:
•Counter target spell or ability.
•Copy target spell or ability. You may choose
new targets for the copy.
•Change the target to Knight of Insanity if able.
Whenever Knight of Insanity becomes the target
of a spell or ability, put a +1/+1 counter on it.