At the beginning of your upkeep, sacrifice Drought unless you pay {W}{W}. Spells cost an additional "Sacrifice a Swamp" to cast for each black mana symbol in their mana costs. Activated abilities cost an additional "Sacrifice a Swamp" to activate for each black mana symbol in their activation costs.
Near Mint - $0.50
Lightly Played - $0.47
Moderately Played - $0.38
Heavily Played - $0.30
Damaged - $0.20
Near Mint Non-English - $0.50
Lightly Played Non-English - $0.47
Moderately Played Non-English - $0.38
Heavily Played Non-English - $0.30
Damaged Non-English - $0.20