Interdict 
Instant
$0.35 #22751 0.29 29.0 years
Counter target activated ability from an artifact, creature, enchantment, or land. That permanent's activated abilities can't be activated this turn. (Mana abilities can't be targeted.)
Draw a card.
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Cards similar to Interdict 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.
Rust89%
$0.54↑#28266↓0.06↓32.4 years↑
"Counter target activated ability from an artifact source."
Stun84%
$0.20↓#9203↑0.12↓29.0 years
"Draw a card."
Tranquil Path82%
$0.10↓#27760↓0.67↑25.4 years↓
"Draw a card."
Disrupt80%
$0.23↓#10248↑0.11↓29.4 years
"Draw a card."
Gallantry80%
$0.15↓#255590.00↓29.0 years
"Draw a card."
Whispers of the Muse80%
$0.39↑#14888↑0.2529.0 years
"Draw a card."
Shadow Rift80%
$1.37↑#2910↑0.11↓29.0 years
"Draw a card."
Bind79%
$5.48↑#15456↑0.58↑26.0 years↓
"Counter target activated ability."
+1 more matching line
Keep Safe78%
$0.28↓#5869↑0.12↓6.5 years↓
"Draw a card."
Eyes of Gitaxias78%
$0.11↓#209300.00↓3.5 years↓
"Draw a card."
Contentious Plan78%
$0.37↑#2198↑0.14↓7.5 years↓
"Draw a card."
Steady Progress78%
$0.26↓#5093↑0.06↓16.1 years↓
"Draw a card."
Healing Hands77%
$0.19↓#197070.00↓11.3 years↓
"Draw a card."
Dream Fracture77%
$0.17↓#4510↑0.14↓18.2 years↓
"Draw a card."
Reality Anchor76%
$0.15↓#30156↓0.00↓29.0 years
"Draw a card."
Trickbind76%
$10.50↑#6550↑0.64↑20.0 years↓
"Counter target activated or triggered ability. If a permanent's ability is countered this way, activated abilities of that permanent can't be activated this turn."
Rebellious Strike76%
$0.24↓#9327↑0.00↓1.5 years↓
"Draw a card."
Twisted Image76%
$0.22↓#7034↑0.2916.1 years↓
"Draw a card."
Honor76%
$0.29↓#6549↑0.00↓1.2 years↓
"Draw a card."
Inaction Injunction76%
$0.17↓#206050.2114.0 years↓
"Draw a card."