Lyzolda, the Blood Witch

• WWizards of the Coast2006-05-01
  Official Ruling
  You can sacrifice any creature you control to pay for this ability. If the creature was neither red nor black, the ability has no effect.
• WWizards of the Coast2006-05-01
  Official Ruling
  You must choose a target for the ability, even if the creature you sacrifice isn't red. If the target becomes illegal before the ability resolves, the ability won't resolve; you won't draw a card, even if the creature you sacrificed was black.

Rulings via Scryfall