Fragarach

Equipped creature gets +1/+1, has first strike
and "Prevent all combat damage that would
be dealt to this creature."
Equip {3}
"The Gouging Sword of the War God, Answerer:
That Which Comes Later Cuts First, The Retaliator. This sword has many names, but it has
one truth. No attack will ever kill its wielder, for it will always hit its enemy first."