Target opponent reveals cards from the top of their library until four land cards are revealed. That player puts all cards revealed this way into their graveyard.
"The soul is only as eternal as I say it is." —Sharuum the Hegemon
2009-05-01
The four land cards, as well as all the other cards revealed during this process, are put into the graveyard. If there aren't four land cards left in the targeted opponent's library, that player's entire library is put into the graveyard.