Flames of the Blood Hand deals 4 damage to target player or planeswalker. The damage can't be prevented. If that player would gain life this turn, that player gains no life instead.
2/1/2005 The damage is unpreventable, and the targeted player’s life gain that turn is replaced with nothing.
2/1/2005 The replacement effect applies only to the target player, not to a permanent or player the damage might be redirected to.