Beyond that, this card is also symmetrical, so it affects all players - again making it a weaker choice than far better options that debuted later on in Magics history
If there are any costs to have a creature attack, those costs won't apply to the tokens
This allows you to exile any Bridge from Belows (as your creature died) before they go back into your opponents deck
When you mill it, resolve it, discard it, whatever, you shuffle it back into your library so you can chain turn after turn until your opponents beg you to present an actual win condition because its been 20 minutes
(If this matters, you must have a very good reason for wanting to pay life.) If the target Equipment can't legally be attached to the target attacking creature when Raubahn's last ability resolves, the Equipment won't move
More powerful spells require larger amounts and more specific combinations of mana