Vorlmos, Lord of Agony

As long as you have 8 or more cards
in your graveyard. Vorlmos, Lord of Agony
is indestructible.
Whenever Vorlmos, Lord of Agony deals
combat damage to a player. That player
mills X cards equal to Vorlmos power.
{10} Mill 10 cards. Target player loses 10 life
Activate only once on your turn.