Land Hideaway (This land comes into play tapped. When it does, look at the top four cards of your library, remove one from the game face down, then put the rest on the bottom of your library.) {T}: Add {R} to your mana pool. {R}, {T}: You may play the removed card without paying its mana cost if an opponent was dealt 7 or more damage this turn.1
Illus. Steve Prescott
10/1/2007: At the time the last ability resolves, you'll get to play the card if a player who is currently your opponent, or a player who was your opponent at the time he or she left the game, has been dealt 7 damage over the course of the turn.
10/1/2007: It doesn't matter how the opponent was dealt damage or by whom, as long as the total damage is 7 or more. You don't specify an opponent when you play the ability.
10/1/2007: You'll get to play the card even if Spinerock Knoll wasn't in play at the time some or all of the 7 damage was dealt.