If Lake of the Dead would enter the battlefield, sacrifice a Swamp instead. If you do, put Lake of the Dead onto the battlefield. If you don't, put it into its owner's graveyard. {T}: Add {B}. {T}, Sacrifice a Swamp: Add {B}{B}{B}{B}.
NM-Mint - $77.30
Lightly Played - $69.60
Moderately Played - $61.80
Heavily Played - $54.10
Damaged - $38.70
NM-Mint Non English - $77.30
Lightly Played Non English - $69.60
Moderately Played Non English - $61.80
Heavily Played Non English - $54.10
Damaged Non English - $38.70