Ive seen it work wonders in Cosima, God of the Voyage decks in particular, though any decks with lands in the graveyard will make great use of them
It was always pretty decent, but in a format where more and more haymakers and must-answer creatures are printed every set, having the ability to wipe the board and pick the best of the bunch can be game-winning
Ultimecia is a beefy 7/7 with Menace, which can finish your opponent off in just three swings if they lack good blockers
For simplicity's sake, I'm representing these in a bullet-point format, but if you're looking for additional effects to round out your lists with some variety, you should consider some of these
Needing three other Islands in play isnt much of a deterrent for a deck thats already playing Cryptic Command
Is it a different creature type than the die next to it