Mana Vortex [The Dark] Cat Beast Set: Conspiracy Type: Creature —

Set: Conspiracy Type: Creature — Ogre Shaman Rarity: Uncommon Cost: {3}{R} Dethrone (Whenever this creature attacks the player with the most life or tied for most life

Sacrifice a Desert: Exile all graveyards

Go forth and reclaim them for Yavimaya

−8: Gain control of all artifacts and creatures target opponent controls

or the viashino

Mana Vortex [The Dark] Cat Beast Set: Conspiracy Type: Creature —Set: The Dark Type: Enchantment Rarity: Rare Cost: {1}{U}{U} 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.