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.
Near Mint - $1.500
Lightly Played - $1.200
Moderately Played - $1.100
Heavily Played - $900
Damaged - $800
Near Mint Spanish - $1.500
Lightly Played Spanish - $1.200
Moderately Played Spanish - $1.100
Heavily Played Spanish - $900
Damaged Spanish - $800