They arent any more useful than pirates for the sake of Edwards treasure generation, and while a few creatures have both types (mostly other Black Flag characters), adding most assassins to our deck is just diluting the pirate synergies and vice versa
Your opponents have to contend with extra ward on your enchant creatures and deal with your enchantments twice
Black-Red Sacrifice Sacrifice mechanic is definitely very exciting, but probably a bit harder to exploit than Amass and Proliferate
When it doesn't work, i.e
"And with Valentine's Day just around the corner, whether your heart belongs to a dangerously charming Wizard or a complicated Cleric, there's room in this party for romance, too," said the announcement
Brothers Yamazaki allowed you to have two of the same legendary creatures in play at the same time