Arcarion, Avenger of Freyr

When Arcarion, Avenger of Freyr enters the battlefield, tap all black permanents.
They don't untap until your next end phase.
All of your creatures get +3/+3 against black creatures and players with devotion to black over 6.
{w}{w}{w}{w}{w}{w}{w}{w}: All creatures you control get deathtouch and protection from black.