Only usable when an action is blocked. Combat does not occur. Put this card into play. While in play, this card represents an ally with 3 life and 2 strength who can strike for 2R damage; this ally enters combat with the blocking minion. Blood Brothers may play cards requiring basic Potence as a vampire with a capacity of 3. Any cost in blood is paid with life. If a card would give them blood, give them life instead. Burn this card at the end of combat or if the combat is cancelled.