We did know this change might happen because of a video from Arkham Chronicle, who got an early look at Rise of the Floodborn products a few months back
Finally, the deck has a ton of removal spells and counterspells to help you keep opponents at bay in the early game, card draw effects, and a ton of different synergies when Toxrill starts taking down your opponents' armies (such as drain effects when their creatures die, reanimate effects, card draw, etc)
I like the flavour of Gravity Sphere and the artwork in Caverns of Despair
As they would just be as format warpingly powerful as a Yawgmoth card, there is a VERY good reason they are not represented as such, because if the titans were at their full power, they would break the game (and it kinda already happened, as Emrakul, the Aeons Torn" has been banned from EDH for quite some time)
To take advantage of our creatures, were going to need some reliable tools to simultaneously protect and rebuy our threats
The ergonomic handle is a nice touch, angled perfectly for comfort and tested to reduce strain, so you wont dread carrying it