Teferi's Response 
Instant
$9.99 #22191 0.27 25.9 years
Counter target spell or ability an opponent controls that targets a land you control. If a permanent's ability is countered this way, destroy that permanent.
Draw two cards.
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Cards similar to Teferi's Response 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.
Summon: Bahamut78%
$23.64↑#1297↑0.83↑1.2 years↓
"Draw two cards."
Desert Twister78%
$0.18↓#17679↑0.3532.7 years↑
"Destroy target permanent."
Vindicate77%
$0.25↓#1160↑0.2725.3 years
"Destroy target permanent."
Winnow76%
$0.31↓#29519↓0.06↓25.9 years
"Draw a card."
Lost in the Mist75%
$0.13↓#241580.3314.9 years↓
"Counter target spell. Return target permanent to its owner's hand."
Disallow74%
$0.41↓#1819↑0.45↑9.6 years↓
"Counter target spell, activated ability, or triggered ability."
Angel of Despair74%
$0.46↓#5103↑0.1920.6 years↓
"When this creature enters, destroy target permanent."
Skyshroud Blessing74%
$0.24↓#227870.07↓25.6 years
"Draw a card."
Counsel of the Soratami73%
$0.12↓#17367↑0.00↓21.9 years↓
"Draw two cards."
Weave Fate73%
$0.11↓#233020.00↓11.9 years↓
"Draw two cards."
Divination73%
$0.07↓#6202↑0.00↓17.1 years↓
"Draw two cards."
Quick Study73%
$0.25↓#2650↑0.09↓3.0 years↓
"Draw two cards."
Touch of Brilliance73%
$0.13↓#30071↓0.3629.3 years↑
"Draw two cards."
Smash73%
$0.06↓#182100.00↓25.3 years
"Draw a card."
Eject73%
$0.22↓#11324↑0.261.2 years↓
"Draw a card."
Karmic Justice72%
$1.77↓#3866↑0.66↑24.9 years
"Whenever a spell or ability an opponent controls destroys a noncreature permanent you control, you may destroy target permanent that opponent controls."
Violent Ultimatum72%
$0.30↓#183970.06↓17.9 years↓
"Destroy three target permanents."
Bind72%
$5.13↓#15301↑0.00↓25.9 years
"Counter target activated ability."
+1 more matching line
Saltblast72%
$0.13↓#28565↓0.2921.0 years↓
"Destroy target nonwhite permanent."
Out of the Way72%
$0.15↓#228630.05↓4.4 years↓
"Draw a card."