Good bodyguards are hard to find, mainly because they don't live long.

30th Anniversary Edition

Veteran Bodyguard

As long as Veteran Bodyguard is untapped, all damage that would be dealt to you by unblocked creatures is dealt to Veteran Bodyguard instead.

Masters Edition IV

Summer Magic / Edgar

Foreign Black Border

Revised Edition

Unless Bodyguard is tapped, any damage done to you by unblocked creatures is done instead to Bodyguard. You may not take this damage yourself, though you can prevent it if possible. No more than one Bodyguard of your choice can take damage for you in this manner each turn.

Intl. Collectors' Edition

Collectors' Edition

Unlimited Edition

Unless Bodyguard is tapped, any damage done to you by unblocked creatures is done instead to Bodyguard. You may not take this damage yourself, though you can prevent it if possible.