Helms Deep

{t} Add: {w}
{2}{t}: After declaring your blockers you may have
Helms Deep take the damage for them. Blockers
still deal their damage to the attackers. Helms
Deep may take a total of 15 damage this way
before breaking. Helms Deep never recovers
health. If Helms Deep takes damage exceeding
it's 15 health any damage exceeded may be
assigned by the attacking player to any creature
that blocked this turn, or directly to the player.