At the beginning of your upkeep, sacrifice this enchantment unless you sacrifice a creature.
If a land is tapped for mana, it produces instead of any other type and amount.
At the beginning of your upkeep, sacrifice this enchantment unless you pay .
At the beginning of your end step, create a 0/1 black Thrull creature token.
Lands you control are Plains.
Nonland permanents you control are white. The same is true for spells you control and nonland cards you own that aren't on the battlefield.
You may spend white mana as though it were mana of any color. You may spend other mana only as though it were colorless mana.
