We Say Thee Nay! {1}{U}
Instant — Arcane
Teamwork 2 (As an additional cost to cast this spell, you may tap any number of creatures you control with total power 2 or more.)
Counter target spell unless its controller pays {2}. Counter that spell unless its controller pays {4} instead if this spell was cast using teamwork.
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Cards that do something similar expected a card that isn't here?
Reports become test cases the matcher is graded against before an update ships. Delvefall isn't a chatbot guessing, it compares the printed rules text of every card with plain math, and examples like yours decide which differences should count.
Dazzling Denial 100%
$0.22#4118
"Counter target spell unless its controller pays {2}. If you control a Bird, counter that spell unless its controller pays {4} instead."
Dispelling Exhale 99%
$0.19#9129
"Counter target spell unless its controller pays {2}. If a Dragon was beheld, counter that spell unless its controller pays {4} instead."
Spell Contortion 99%
$0.16#24408
"Counter target spell unless its controller pays {2}. Draw a card for each time this card was kicked."
Divert Disaster 98%
$0.20#7831
"Counter target spell unless its controller pays {2}. If they do, you create a Lander token."
Spell Shrivel 98%
$0.22#16349
"Counter target spell unless its controller pays {4}. If that spell is countered this way, exile it instead of putting it into its owner's graveyard."
Don't Make a Sound 98%
$0.12#5992
"Counter target spell unless its controller pays {2}. If they do, surveil 2."
Flip the Switch 97%
$0.15#12570
"Counter target spell unless its controller pays {4}. Create a 2/2 black Zombie creature token with decayed."
No More Lies 96%
$0.33#5761
"Counter target spell unless its controller pays {3}. If that spell is countered this way, exile it instead of putting it into its owner's graveyard."
Lofty Denial 96%
$0.26#5232
"Counter target spell unless its controller pays {1}. If you control a creature with flying, counter that spell unless its controller pays {4} instead."