Canterlot Socialite

Haste
When Canterlot Socialite enters the battlefield, target creature with power less than or equal to Canterlot Socialite's power can't block this turn.
Enthrall {4}{r}{r} ({4}{r}{r}, Exile this card from your graveyard: Create a token that's a copy of it, except it's a 4/4 black Thrall Unicorn with no mana cost. Eternalize only as a sorcery.)