Undead Precinct

As Undead Precinct enters the battlefield, you
may reveal a zombie card from your hand,
Undead Precinct enters the battlefield tapped
unless you revealed a card this way or you control
a soldier.
{3}{u}{b}: Mill 3 cards, Undead Precinct becomes a
0/0 zombie creature token with "this creature
gets +1/+1 for each zombie card in your
graveyard" until end of turn, it's still a land.