Even if you win the clash effect (it's a gamble), this warrior is just a 5/2 for six mana, which is ridiculous
Since it focuses on exile, Farewell works well against graveyard-based decks and works around indestructible effects like Boros Charm and Heroic Intervention as well
If it's copying a transforming permanent whose back face is up, the token will enter with its back face up
These symbols can be small and easy to miss
Its Ability essentially means it can take a 130 damage attack and ol'd starfish-face will still survive, which is nothing to sneeze at
and for the "newer" types such as dark and steel (because their energy became basic from Heart Gold/Soul Silver onward, as before their energies were considered specials) and finally the release of the fairy type, which happened in this set, besides one special energy only for the dragon type, which was also a new archetype that had been released in Black/White