Forsaken Wastes [Mirage] Human Bureaucrat Activated abilities of sources with

Activated abilities of sources with the chosen name can't be activated unless they're mana abilities

Set: From the Vault: Twenty Type: Instant Rarity: Mythic Cost: {B} Add {B}{B}{B}

you may add an amount of {C} equal to the number of creatures you control that share a creature type with it

Gaea forged her soldiers into self-wielding weapons that struck down all impurities

(The next time this creature would be destroyed this turn

Forsaken Wastes [Mirage] Human Bureaucrat Activated abilities of sources withSet: Mirage Type: World Enchantment Rarity: Rare Cost: {2}{B} Players can't gain life. At the beginning of each player's upkeep, that player loses 1 life. Whenever Forsaken Wastes becomes the target of a spell, that spell's controller loses 5 life.