flavorText: He watches over the valley where Progenitus sleeps, culling signs from its steaming breaths.
name: Keeper of Progenitus
originalText: Whenever a player taps a Mountain, Forest, or Plains for mana, that player adds one mana to his or her mana pool of any type that land produced.
printings: ALA
text: Whenever a player taps a Mountain, Forest, or Plains for mana, that player adds one mana of any type that land produced.
type: Creature — Elf Druid