That player may cast that spell without paying its mana cost, if that player does not, draw a card instead
Being a 7/4 with flying and first strike, your opponent is going to be hard-pressed to get rid of this card unless they have removal spells in their deck
Protection from humans is also very relevant, as there are a ton of humans in this set
Nadiers Nightblade Zulaport Cutthroat, but make it token-specific
If you do something really strong but as a fluke, chances are players wont be as hard on you on the swing-back
And while this attempt failed miserably and Hogaak continued to dominate the format, there's never been a mass movement to unban Bridge from Below because everyone knows that the card is so broken that if it were unbanned, it would only be a matter of time before another deck came along to abuse its power