While the coinsmith requires a lot of mana to give you reach, you won't need to use that ability until the opponent is in reach or you are otherwise gassed
Depending on the type, each set will normally have its own theme, either based around a particular fictional setting in the lore, or perhaps tailored to one particular mode of play, like the Commander or Modern formats
DarKayserLeo didn't specify how difficult this deck is to play
The good news is that the Reserved List isn't set in stone
It just might end up a little bit of a flavor-fail, as youll play a non-zero amount of Goblins if youre not careful
Life // Death Life / Death is basically a 2-mana Reanimate, which is, of course, so much worse than the 1-mana spell