Dad, Grumpy Authority

Lifelink, Menace.
When Dad, Grumpy Authority takes damage,
you may pay {w/b}. If you do, put 1 grumpy counter
on it.
Whenever Dad, Grumpy Authority attacks, you
may pay {x}{u}. If you do, remove X grumpy
counters from it and tap X target creatures.
—
Humph...