Mana Vortex [The Dark] Fifth Dawn Set: Antiquities Type: Land —

Set: Antiquities Type: Land — Urza’s Power-Plant Uncommon Cost: {T}: Add {C}

Set: Legends Type: Artifact Rare Cost: {3} Legendary creatures don't untap during their controllers' untap steps

Whenever Master of Cruelties attacks a player and isn't blocked

"O to be a dragon

tap all lands that player controls and untap all lands you control

Mana Vortex [The Dark] Fifth Dawn Set: Antiquities Type: Land —Set: The Dark Type: Enchantment 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.