name=Mana Vortex
image=https://magiccards.info/scans/en/dk/30.jpg
value=3.542
rarity=R
type=Enchantment
cost={1}{U}{U}
ability=When you cast SN, counter SN 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 SN.
timing=enchantment
oracle=When you cast Mana Vortex, counter it unless you sacrifice a land.\nAt the beginning of each player's upkeep, that player sacrifices a land.\nWhen there are no lands on the battlefield, sacrifice Mana Vortex.
