enough in the current metagame, due to the fact that it is an inherent -1 to use the Strikers as Tribute Fodder or as Synchro material, and there is no way to make up that advantage on their own, outside of 600 direct attacks until you reduce your opponents LP to 0 which will take a while
It could be hard to keep around depending on whats happening in a game, but I dont think it would be too hard to do so
Kicking Grow from the Ashes with this out makes for a Frost Breath of sorts
I love the two colors as they print more good goblins in black
Reunion is best, IMO, because it can be set up for later while helping smooth your draws
If multiple creatures return to the battlefield (possibly because Not Dead After All targeted a melded permanent), a Wicked Role token will be created attached to each of them