Wererat Palace

{1}{t}: Add {u/r}{u/r} to your mana pool.
Wererat tokens cannot be sacrificed.
When Wererat Palace enters the battlefield,
create a 2/2 legendary blue and red wererat
creature token named Ophelia Meade.
At the beginning of your upkeep put X 1/1
blue and red wererats creature tokens with
haste into play where X is the number of
wererats you control. Sacrifice those 1/1
tokens at the beginning of the next end step.
"What do you mean you're pregnant?" —Camden,
father to Ophelia