Yore-Tiller's Temple

Indestructible
If {w} was spent to cast this, exile target creature
with power 4 or less at the beginning of your
upkeep.
If {r} was spent to cast this, discard your hand
then draw that many cards at the beginning of
your upkeep.
If {u} was spent to cast this, each opponent mills 3
at the beginning of your upkeep.
If {b} was spent to cast this, each opponent
discards a card at the beginning of your upkeep.