Protective Sphere

Enchantment, 2W (3)
{1}, Pay 1 life: Prevent all damage that would be dealt to you this turn by a source of your choice that shares a color with the mana spent on this activation cost. (Colorless mana prevents no damage.)¹
Illus. Rebecca Guay

Crystal Keep Rulings Summaries

• Mana spent on modifiers to the activation cost, such as with Gloom, is not counted. [DeLaney 2000/10/02]

Format Legality	Legal in Vintage, Legacy Banned in Extended, Standard
Printings (1/6)	Invasion (Common)