First, Normal Summoning Des Lacooda and flipping it face-down allows you to set off your Subterror Behemoths in the hand and start summoning them, thus jump starting the deck
This provides that land or creature with every type possible in Magic, thus making a regular Island into a Forest, a Desert, a Locus, a Cave, and every other land type it could be
What if each set used MDFCs, but in a slightly different way, using the mechanic to play up the theme of that set
I like it more than all the other mono blue four mana or more clones but none of the ones that are three or less
Beyond that, I think it has a real chance at breaking into Magics older formats, too