Whenever equipped creature blocks or becomes blocked by one or more creatures, you may exile one of those creatures.
Your opponents can't cast spells with the same name as a card exiled with Godsend.
Just maybe, it goes well together with Bident of Thassa, or Shipwreck Singer.
You force your opponent to attack while you defend with a creature, that has this attached to it.
The typical card that looks awesome at first glance but then sees almost no play.