name: Logic Knot
originalText: Delve (You may remove any number of cards in your graveyard from the game as you play this spell. It costs {1} less to play for each card removed this way.)\nCounter target spell unless its controller pays {X}.
printings: FUT, MMA, TSR
text: Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)\nCounter target spell unless its controller pays {X}.
type: Instant