Name:Mana Leak
ManaCost:1 U
Types:Instant
A:SP$ Counter | Cost$ 1 U | TargetType$ Spell | TgtPrompt$ Select target spell | ValidTgts$ Card | UnlessCost$ 3 | SpellDescription$ Counter target spell unless its controller pays {3}.
SVar:Picture:http://www.wizards.com/global/images/magic/general/mana_leak.jpg
Oracle:Counter target spell unless its controller pays {3}.