Logic Knot

Instant    (CMC:2)

Delve (Each card you exile from your graveyard while casting this spell pays for .) Counter target spell unless its controller pays .

52 FUT • ENGlen Angus

™ & © 1993—2007 Wizards of the Coast

Legal in: Modern,Time Spiral Block,Legacy,Vintage,Freeform,Prismatic,Tribal Wars Legacy,Classic,Singleton 100,Commander

Oracle Text (click to copy):

Logic Knot {X}{U}{U} Instant Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Counter target spell unless its controller pays {X}.

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View this MTG card on Gatherer

5/1/2007
Using delve doesn't reduce the value of X. It just reduces the amount of mana Logic Knot's controller has to pay.

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