Name:Imminent Doom
ManaCost:2 R
Types:Enchantment
K:etbCounter:DOOM:1
T:Mode$ SpellCast | ValidCard$ Card.cmcEQX | ValidActivatingPlayer$ You | TriggerZones$ Battlefield | Execute$ TrigDealDamage | TriggerDescription$ Whenever you cast a spell with converted mana cost equal to the number of doom counters on CARDNAME, CARDNAME deals that much damage to any target. Then put a doom counter on CARDNAME.
SVar:TrigDealDamage:DB$DealDamage | ValidTgts$ Creature,Player,Planeswalker | TgtPrompt$ Select any target | NumDmg$ Y | SubAbility$ DBPutCounter
SVar:DBPutCounter:DB$PutCounter | Defined$ Self | CounterType$ DOOM | CounterNum$ 1 
SVar:X:Count$CardCounters.DOOM
SVar:Y:TriggerCount$CastSACMC 
SVar:Picture:http://www.wizards.com/global/images/magic/general/imminent_doom.jpg
Oracle:Imminent Doom enters the battlefield with a doom counter on it.\nWhenever you cast a spell with converted mana cost equal to the number of doom counters on Imminent Doom, Imminent Doom deals that much damage to any target. Then put a doom counter on Imminent Doom.