Holy Ground: Sengir Cathedral

Covenant — Each nonland card in your starting
deck is black and/or is an artifact. (If this card is
your chosen covenant, you may begin the game
with it in your hand.)

If an opponent has 4 lands, exile this card.

You cannot play spells or draw cards. Your life total cannot change. You cannot lose the game.

Sacrifice this card: Target opponent loses 2 life.