eternal flame castle

at the start of each of your upkeeps exile the top
4 cards of your deck. you can play them from your
exile by paying 2 madness counters and the spell
cost.
if you have 20 or less cards in your deck sacrifice
eternal flame castle you can play all the cards
from your exile by paying their costs reduced
by {2}
{t}: discard a card draw 1 card you get 1 madness counter