While I believe the ultimate is very powerful, I worry that building towards it might be futile, as I have a hard time imagining an entire table is going to just let it happen
With offspring, that's two damage, and it's easy to see where this is going - it's an alternate win condition in grindy games and its unearth ability means it can come back to provide that effect for one extra turn whenever it's most relevant
Until Next Time, Don't forget, Magic is supposed to be fun
If an ult and a plus or minus generate different emblems/tokens its fine (particularly if the smaller ones are very generic), but having different tokens on different or the same plus or minus can become annoying and confusing
There are 57 cards with them on in total: eight blue, eight red, nine white, eight black, eight green, and one colourless