When you cast this spell, counter it unless you sacrifice a land. At the beginning of each player's upkeep, that player sacrifices a land. When there are no lands on the battlefield, sacrifice Mana Vortex.
Near Mint - $13.50
Lightly Played - $12.75
Moderately Played - $10.00
Heavily Played - $8.00
Damaged - $5.50
Near Mint Non-English - $13.50
Lightly Played Non-English - $12.75
Moderately Played Non-English - $10.00
Heavily Played Non-English - $8.00
Damaged Non-English - $5.50