Bridge of Friends

{t}: Add X {c}, where X is the number of times an opponent has had control of Bridge of Friends. You may only activate this ability once.
{1}{t}: Target opponent gains control of this artifact. You may activate this ability after you have activated all other abilities.
{1}{w}{u}{t}: Target player gains X life and draws X cards, where X is the number of times an opponent has had control of this artifact. Target opponent gains control of Bridge of Friends. You may only activate this ability once.