Name:Insult
ManaCost:2 R
AlternateMode: Split
Types:Sorcery
A:SP$ Effect | Cost$ 2 R | Name$ Insult Effect | StaticAbilities$ STCantPrevent | ReplacementEffects$ InsultDamageEvent | SVars$ DmgTwice,X | SpellDescription$ Damage can't be prevented this turn. If a source you control would deal damage this turn, it deals double that damage instead.
SVar:STCantPrevent:Mode$ Continuous | EffectZone$ Command | GlobalRule$ Damage can't be prevented. | Description$ Damage can't be prevented. 
SVar:InsultDamageEvent:Event$ DamageDone | ValidSource$ Card.YouCtrl | ReplaceWith$ DmgTwice | Description$ If a source you control would deal damage this turn, it deals double that damage instead.
SVar:DmgTwice:DB$ ReplaceEffect | VarName$ DamageAmount | VarValue$ X | References$ X

SVar:X:ReplaceCount$DamageAmount/Twice 
SVar:Picture:http://www.wizards.com/global/images/magic/general/insult_injury.jpg
Oracle:Damage can't be prevented this turn. If a source you control would deal damage this turn, it deals double that damage instead.

ALTERNATE

Name:Injury
ManaCost:2 R
Types:Sorcery
K:Aftermath
A:SP$ DealDamage | Cost$ 2 R | ValidTgts$ Creature | TgtPrompt$ Select target creature | NumDmg$ 2 | SubAbility$ DBDealDamage | SpellDescription$ CARDNAME deals 2 damage to target creature and 2 damage to target player.
SVar:DBDealDamage:DB$ DealDamage | NumDmg$ 2 | ValidTgts$ Player | TgtPrompt$ Select target player
Oracle:Aftermath (Cast this spell only from your graveyard. Then exile it.)\nInjury deals 2 damage to target creature and 2 damage to target player.