Name:Mind's Dilation
ManaCost:5 U U
Types:Enchantment
T:Mode$ SpellCast | ValidActivatingPlayer$ Player.Opponent | ActivatorThisTurnCast$ EQ1 | NoResolvingCheck$ True | Execute$ TrigMill | TriggerZones$ Battlefield | TriggerDescription$ Whenever an opponent casts his or her first spell each turn, that player exiles the top card of his or her library. If it's a nonland card, you may cast it without paying it's mana cost.
SVar:TrigMill:AB$ Mill | Cost$ 0 | Defined$ TriggeredPlayer | NumCards$ 1 | Destination$ Exile | RememberMilled$ True | SubAbility$ CastCard
SVar:CastCard:DB$ Play | Defined$ Remembered | WithoutManaCost$ True | Optional$ True | Controller$ You | ShowCardToActivator$ True | ConditionDefined$ Remembered | ConditionPresent$ Card.nonLand | ConditionCompare$ EQ1 | SubAbility$ DBCleanup
SVar:DBCleanup:DB$ Cleanup | ClearRemembered$ True
SVar:Picture:http://www.wizards.com/global/images/magic/general/minds_dilation.jpg
Oracle:Whenever an opponent casts his or her first spell each turn, that player exiles the top card of his or her library. If it's a nonland card, you may cast it without paying it's mana cost.