Witch-Maw's Temple

Indestructible
If {w} was spent to cast this, you gain 5 life at the beginning of your upkeep.
If {b} was spent to cast this, each opponent loses 3
life at the beginning of your upkeep.
If {u} was spent to cast this, return target creature
to its owner's hand at the beginning of your
upkeep.
If {g} was spent to cast this, put a permanent card
from your graveyard into your hand at the
beginning of your upkeep.