Carnival of Souls

Enchantment, 1B (2)
Whenever a creature enters the battlefield, you lose 1 life and add {B} to your mana pool.¹
"'Davvol, blast those elves.' 'Davvol, transport those troops.' No one cares that today is my birthday."
Illus. Brian Snõddy

Gatherer Card Rulings [Nov 2009]

• 10/4/2004: This is not optional.

Format Legality	Legal in Vintage, Legacy Banned in Extended, Standard, MTGO Classic
Printings (1/6)	Urza's Destiny (Rare)