Name:Executioner's Swing
ManaCost:W B
Types:Instant
A:SP$ Pump | Cost$ W B | IsCurse$ True | ValidTgts$ Creature.dealtDamageThisTurn | TgtPrompt$ Select target creature that dealt damage this turn | NumAtt$ -5 | NumDef$ -5 | SpellDescription$ Target creature that dealt damage this turn gets -5/-5 until end of turn.
SVar:Picture:http://www.wizards.com/global/images/magic/general/executioners_swing.jpg
Oracle:Target creature that dealt damage this turn gets -5/-5 until end of turn.