Mana Vortex [The Dark] Dog Construct Set: Battle for Zendikar Type:

Set: Battle for Zendikar Type: Creature — Human Knight Ally Rarity: Rare Cost: {4}{W} Rally — Whenever Hero of Goma Fada or another Ally enters the battlefield under your control

"Our forebears once flew like this—carefree

The rustling of leaves is the only language that makes any sense

He taught both boys to be strong and to lead

Mana Vortex [The Dark] Dog Construct Set: Battle for Zendikar Type: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.