Mana Vortex [The Dark] HarperPrism Book Promos The key did not work

The key did not work on a single lock

Set: League Tokens 2013 Type: Token Creature — Sliver Common Cost:

Set: Antiquities Type: Creature — Treefolk Rare Cost: {1}{G}{G} Gaea's Avenger's power and toughness are each equal to 1 plus the number of artifacts your opponents control

Sister of Nicol Bolas

where everything is upside down

Mana Vortex [The Dark] HarperPrism Book Promos The key did not workSet: 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.