Shield Skill, Blood Sacrafice

You may not play this during a 1v1.
You may not play this during a X headed giant.
You may only play this in commander.
You can only play this card if you would lose this
turn.
Deal 10 infect to a player, this spell can't be countered.
After the your opponent loses, you lose the game.
"The user bleeds profusely, as the blood seeps to the
ground. And the user slowly dies. Slow and Painful.
- Shield Skill Description