Name:Metallic Rebuke
ManaCost:2 U
Types:Instant
K:Improvise
A:SP$ Counter | Cost$ 2 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/metallic_rebuke.jpg
Oracle:Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)\nCounter target spell unless its controller pays {3}.