We don't have this item available for sale at the moment.
When you cast Mana Vortex, you may sacrifice a land. If you don't, counter Mana Vortex.
At the beginning of each player's upkeep, that player sacrifices a land.
When there are no lands on the battlefield, sacrifice Mana Vortex.
The Dark (Rare) The Dark
Masters Edition III (Rare)