Name:Vicious Betrayal
ManaCost:3 B B
Types:Sorcery
A:SP$ Pump | Cost$ 3 B B Sac<X/Creature> | ValidTgts$ Creature | TgtPrompt$ Select target creature | NumAtt$ Z | NumDef$ Z | SpellDescription$ Target creature gets +2/+2 until end of turn for each creature sacrificed this way.
SVar:Y:Sacrificed$Amount
SVar:Z:SVar$Y/Times.2
SVar:X:XChoice
SVar:RemAIDeck:True
SVar:Picture:http://www.wizards.com/global/images/magic/general/vicious_betrayal.jpg
Oracle:As an additional cost to cast Vicious Betrayal, sacrifice any number of creatures.\nTarget creature gets +2/+2 until end of turn for each creature sacrificed this way.