Culling the Weak

Instant, B (1)
As an additional cost to cast Culling the Weak, sacrifice a creature.
Add {B}{B}{B}{B} to your mana pool.¹
"The blood of the weak shall be the ink with which we scribe great Yawgmoth's glorious name." -Stronghold architect, journal
Illus. Scott M. Fischer

Gatherer Card Rulings [Nov 2009]

• 10/4/2004: You sacrifice a creature when casting the spell and you can't sacrifice more than one creature to get extra mana.

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