Crypt

{t}{2}: Summon a Ghoul token. Only use this if there are less than four Ghouls.
{t}{4}: Summon a "Crypt Fiend" token at the end of the turn.
If this building has a Blight counter:
All undead units have +0/+1 and gain new abilities.
{t}{6}: Summon a "Gargoyle" token at the end of the turn.
Protection from Instants and Sorceries