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, MTGO Classic
Printings (1/6)	Exodus (Common)