Logic Knot 
Instant
$0.26 #12854 0.37 19.5 years
Delve (Each card you exile from your graveyard while casting this spell pays for 
.)
.)Counter target spell unless its controller pays .
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"Delve Each card you exile from your graveyard while casting this spell pays for ."
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"Delve Each card you exile from your graveyard while casting this spell pays for ."
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"Delve Each card you exile from your graveyard while casting this spell pays for ."
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"Delve Each card you exile from your graveyard while casting this spell pays for ."
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"Counter target spell unless its controller pays ."
."
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"Counter target spell unless its controller pays ."
."
Murderous Cut92%
$0.27↑#8398↑0.00↓12.1 years↓
"Delve Each card you exile from your graveyard while casting this spell pays for ."
."
Complicate92%
$0.23↓#136590.00↓24.0 years↑
"Counter target spell unless its controller pays 
."
."
Empty the Pits92%
$0.74↑#141980.22↓12.1 years↓
"Delve Each card you exile from your graveyard while casting this spell pays for ."
."
Dead Drop91%
$0.18↓#18575↓0.12↓12.1 years↓
"Delve Each card you exile from your graveyard while casting this spell pays for ."
."
Lookout's Dispersal91%
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"Counter target spell unless its controller pays 
."
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"Delve Each card you exile from your graveyard while casting this spell pays for ."
."
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"Counter target spell unless its controller pays ."
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"Counter target spell unless its controller pays ."
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"Counter target spell unless its controller pays ."
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"Counter target spell unless its controller pays for each basic land type among lands you control."
for each basic land type among lands you control."
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"Delve Each card you exile from your graveyard while casting this spell pays for ."
."