Along with Merlin, of course, the designers at Ravensburger have handed us some very straightforward synergy
The primary upside of being in white for this kind of deck is having access to some of white's sideboard cards (Fragmentize) but also having access to things like Lavinia, Azorius Renegade
Adding lifelink for a bit of incidental life gain isnt terrible either, though not as potent as deathtouch
Minn's last ability uses the Illusion's power the last time it existed on the battlefield to determine what cards you may put onto the battlefield
Atlas here is likely the least efficient way imaginable to do that, but its here if you need it, and cheating it in a sacrifice deck might be fine
ability is card draw though, something Emerald currently lacks