Mind Spiral 

Sorcery
$0.14 #13547 0.20 2.1 years
Gift a tapped Fish (You may promise an opponent a gift as you cast this spell. If you do, they create a tapped 1/1 blue Fish creature token before its other effects.)
Target player draws three cards. If the gift was promised, tap target creature an opponent controls and put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)
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Cards similar to Mind Spiral 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.
Homesickness92%
$0.17↑#21170↓0.00↓0.4 years↓
"Target player draws two cards. Tap up to two target creatures. Put a stun counter on each of them."
Donatello's Science Lesson86%
$0.25↑#26054↓0.00↓0.5 years↓
"Tap up to two target creatures. Up to two target players each draw a card."
Succumb to the Cold83%
$0.25↑#10555↑0.143.0 years
"Tap one or two target creatures an opponent controls. Put a stun counter on each of them."
Out Cold82%
$0.11↓#137730.40↑2.6 years
"Tap up to two target creatures and put a stun counter on each of them. Investigate."
Dreamdew Entrancer82%
$0.32↑#6904↑0.47↑2.1 years
"When this creature enters, tap up to one target creature and put three stun counters on it. If you control that creature, draw two cards."
Tranquilize81%
$0.17↑#130610.57↑2.2 years
"Tap target creature an opponent controls and put three stun counters on it."
Procrastinate80%
$0.20↑#134000.00↓0.4 years↓
"Tap target creature. Put twice X stun counters on it."
Decision Paralysis80%
$0.05↓#27142↓0.53↑9.4 years↑
"Tap up to two target creatures. Those creatures don't untap during their controller's next untap step."
Frost Breath80%
$0.11↓#17737↓0.53↑15.1 years↑
"Tap up to two target creatures. Those creatures don't untap during their controller's next untap step."
Donatello, Rad Scientist79%
$0.38↑#18960↓0.00↓0.5 years↓
"When this card enters, tap up to three target creatures your opponents control. Put a stun counter on each of them."
Press for Answers79%
$0.05↓#20217↓0.1110.4 years↑
"Tap target creature. It doesn't untap during its controller's next untap step."
Kitnap78%
$0.29↑#10567↑0.252.1 years
"When this Aura enters, tap enchanted creature. If the gift wasn't promised, put three stun counters on it."
+1 more matching line
Rapier Wit78%
$0.20↑#160690.00↓0.4 years↓
"Tap target creature. If it's your turn, put a stun counter on it."