The rub here is you have to pay that life, so you'd need a way to keep the storm going to protect yourself
As an added bonus, if a Legendary Creature enters the battlefield, there is no cost to equip it
Some rebacked cards are made when the back of the card was considered marked or unplayable, and someone put the front on a new back to allow the card to be "playable" again
As a colorless card, these tend to see play in midrange decks that need some card advantage or that interact with artifacts in some way, like blue-based artifact decks, or just colorless decks that jam as many artifacts as they can
In 1995, writer Todd S
Then since Ur-Dragon is now Skithiryx pumped up by +6/+0 when it was Moltensteel Dragon, you can swing with Skithiryx as a 10/6 to deal 10 infect to your opponent, which causes them to lose the game