When you cast the spell, you pay an amount of mana according to which tier you would like to cast the spell at
Maybe WotC was nervous about potential leaks, since they'd have to present those Final Fantasy cards to different parties ahead of time, but whatever the reason, the whole Commander set has been revealed weeks before the main set's full spoiler
The Masamune Rating: 4/10 Not a lot of creatures have a trigger thats compatible with The Masamune, but Sephiroth does, which I suppose is what its going for
Giving +3/+1 and trample the turn you cast it is already a huge way to force damage through, and the Monster role token is a big difference, compared to similar combat tricks
Sure, you need to be playing at least two colors in your deck, but thats not a problem for tons of Commanders
In play, the 1-cost card would require some strategy to make it truly become one of the sets best cards, but could be a valuable low-cost card