Just pack the Heroic Intervention, Teferi's Protection, and similar protection spells to keep your board alive
Graven Cairns, for instance, was just re-released in Duskmourn, while Flooded Grove has been printed into the ground, with recent appearances in Thunder Junction, Bloomburrow, Duskmourn, and Tarkir: Dragonstorm
Five mana to gain control of so many creatures is an incredible deal, and while you cant use those creatures to go after their former controller, you can certainly make use of them to take out another player
The prohibitive UUU cost makes it a tool only playable in two colored blue based decks, but its power will make it a forever staple for those
Lands Filter to lands and your color identity to find your fixing options
After that, catch a wild Collector's Booster set in the wild