Lair of the Hive Mother

{t} add one mana from your commanders
color identity to your mana pool.
Xenomorphs you control cost {1} less to cast
{t}{b} Create a 1/1 Xenomorph token
{u}{b}{r}{g} Sacrifice Lair of the Hive Mother
and search your library or command tower
for a Xenomorph Queen and put it in your
hand.