Bobby, Another Dwarf is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.

Official card text

Dwarf creature cards, legendary creature cards, and Equipment cards in your hand have sneak . (You may cast a spell for its sneak cost if you also return an unblocked attacker you control to hand during the declare blockers step. Creatures with sneak enter tapped and attacking.) When an Equipment you control sneaks in, attach it to a creature you control.