Name:Mana Drain
ManaCost:U U
Types:Instant
A:SP$ Counter | Cost$ U U | TargetType$ Spell | RememberCounteredCMC$ True | ValidTgts$ Card | SubAbility$ DBDelTrig | SpellDescription$ Counter target spell. At the beginning of your next main phase, add {X} to your mana pool, where X is that spell's converted mana cost.
SVar:DBDelTrig:DB$ DelayedTrigger | Mode$ Phase | Phase$ Main1,Main2 | ValidPlayer$ You | Execute$ AddMana | TriggerDescription$ At the beginning of your next main phase, add an amount of {C} to your mana pool equal to that spell's converted mana cost. | RememberNumber$ True | SubAbility$ DBCleanup
SVar:DBCleanup:DB$ Cleanup | ClearRemembered$ True
SVar:AddMana:DB$ Mana | Produced$ C | Amount$ X | References$ X
SVar:X:Count$TriggerRememberAmount
SVar:Picture:http://www.wizards.com/global/images/magic/general/mana_drain.jpg
Oracle:Counter target spell. At the beginning of your next main phase, add an amount of {C} to your mana pool equal to that spell's converted mana cost.