Name:Breakthrough
ManaCost:X U
Types:Sorcery
A:SP$ Draw | Cost$ X U | NumCards$ 4 | SubAbility$ DBBreakthroughDiscard | References$ X | SpellDescription$ Draw four cards, then choose X cards in your hand and discard the rest from it.
SVar:DBBreakthroughDiscard:DB$ Discard | Defined$ You | Mode$ TgtChoose | NumCards$ BreakthroughZ | References$ BreakthroughY,BreakthroughZ
SVar:X:Count$xPaid
SVar:BreakthroughY:Count$InYourHand
SVar:BreakthroughZ:SVar$BreakthroughY/Minus.X
SVar:RemAIDeck:True
SVar:Picture:http://www.wizards.com/global/images/magic/general/breakthrough.jpg
Oracle:Draw four cards, then choose X cards in your hand and discard the rest.