Name:Burnt Offering
ManaCost:B
Types:Instant
A:SP$ Mana | Cost$ B Sac<1/Creature> | Produced$ Combo B R | Amount$ X | References$ X | SpellDescription$ Add X mana in any combination of {B} and/or {R} to your mana pool, where X is the sacrificed creature's converted mana cost.
SVar:X:Sacrificed$CardManaCost
SVar:RemAIDeck:True
SVar:Picture:http://www.wizards.com/global/images/magic/general/burnt_offering.jpg
Oracle:As an additional cost to cast Burnt Offering, sacrifice a creature.\nAdd X mana in any combination of {B} and/or {R} to your mana pool, where X is the sacrificed creature's converted mana cost.