Depraved Romantic

Haste, unleash (You may have this creature enter
the battlefield with a +1/+1 counter on it. It
can't block as long as it has a +1/+1 counter on
it.)
When Depraved Romantic enters the battlefield, target creature must block this turn if able.
"Oh this? It's my greatest work. And you, my love,
are about to join them."