Magic: the Gathering is a collectible card game created by Richard Garfield. In Magic, you play the role of a planeswalker who fights other planeswalkers for glory, knowledge, and conquest. Your deck of cards represents all the weapons in your arsenal. It contains the spells you know and the creatures you can summon to fight for you.Card Name: Mana VortexCost: 1UUColor: BlueCard Type: EnchantmentCard Text: When Mana Vortex comes into play, sacrifice it unless you sacrifice a land. At the beginning of each player's upkeep, that player sacrifices a land. When there are no lands in play, sacrifice Mana Vortex.