Werewolves come into play matching the current time
Still, if your EDH meta is strangely mill-focused, a ramp or big mana deck might benefit from one of the legal Eldrazi
Emet-Selch is a transforming card, meaning he has two sets of abilities that can be used, though once he's been transformed he can't go back
Cards like Lilo, Making a Wish and Stitch, New Dog were just two of the many cheap threats packed into the amber/x aggro shell, with the purpose of getting characters into play as fast as possible, and then using some number of Lanterns or shifting using Stitch, New Dog to get Stitch, Rock Star into play ahead of curve
That makes them pretty good in a fight in the early stages of a game, but youll usually want to drop them into play a lot later thanks to their chunk of text