Chakra Meditation 

Enchantment
When this enchantment enters, return up to one target instant or sorcery card from your graveyard to your hand.
Whenever you cast an instant or sorcery spell, draw a card. Then discard a card unless there are three or more Lesson cards in your graveyard.
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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.
Muse Seeker 98%
$0.24#14934
"Whenever you cast an instant or sorcery spell, draw a card. Then discard a card unless five or more mana was spent to cast that spell."
Academy Wall 87%
$0.27#13132
"Whenever you cast an instant or sorcery spell, you may draw a card. If you do, discard a card. This ability triggers only once each turn."
Archmage Emeritus 85%
$0.51#258
"Whenever you cast or copy an instant or sorcery spell, draw a card."
Niv-Mizzet, Parun 84%
$5.89#742
"Whenever a player casts an instant or sorcery spell, you draw a card."
Demilich 81%
$0.61#16131
"You may cast this card from your graveyard by exiling four instant and/or sorcery cards from your graveyard in addition to paying its other costs."
Exquisite Firecraft 80%
$0.31#19101
"If there are two or more instant and/or sorcery cards in your graveyard, this spell can't be countered."
The Immortal Weapons 80%
$0.75#28369
"When this card enter, return target instant or sorcery card from your graveyard to your hand."
Overmaster 80%
$2.99#3095
"The next instant or sorcery spell you cast this turn can't be countered."