When cast, it gives its owner the Monarch status, and if they maintain it till their next upkeep, they get to have a copy of any enchantment or artifact they choose from the board
On top of that, the flavor lore of a Vampire so adept with blood as a media is fantastic
However, not only is Flood of Tears cheaper to cast, it comes with a big advantage: after bouncing everything, you can put a permanent card from your hand onto the battlefield
For example, if you put Spellbook (an artifact that says you have no maximum hand size) onto the battlefield and then put Doctor Octopus, Master Planner onto the battlefield, your maximum hand size will be eight
Instead, he had to make due with a slightly less extreme set of threats, most of which were designed to be especially good at beating whatever the opponents best threat was (given the nature of Hypergenesis letting them play their best threat for free)
However, the idea of a Power Level calculator was intriguing, so I decided to build a usable one myself