If you're building a mono-green Commander deck, you have access to virtually every ramp strategy in the game, and the biggest deckbuilding challenge is choosing which pieces to cut
No, absolutely not
The first Token card that did not correspond to a specific Monster Token was the National Championship 2009 Token, which was given out to participants of United States and Canada's National Championships and participants of the European and South American Continental Championships of that year
You can become a threat very quickly and need to consider if you can back it up, preferably with countermagic and other interactive spells
This also includes Dark Magician and Dark Magician Girl with the uses of Eternal Soul, Dark Magic Attack, Dark Burning Attack, Dark Burning Magic and much more
Its also potentially good later on in some games too, because some creatures have a high power but low toughness or vice versa