Wooded Mausoleum

Wooded Mausoleum enters the battlefield tapped and doesn't untap during your untap step.
For as long as Wooded Mausoleum is tapped, creatures your opponents control can't attack you.
For as long as Wooded Mausoleum is untapped, creatures your opponents control can't block.
{2}: Tap or untap Wooded Mausoleum.