Water Main

When Water Main enters the battlefield, tap enchanted creature and create a flood emblem.
Enchanted creature doesn't untap during its controller's untap step.
During enchanted creatures controllers upkeep
put X -1/-1 counters on creature where X is the
number of flood emblems.
When this card enters the graveyard, exile this
card. You may play that card at any time a
sorcery may be played.