Practical Research 
Instant
$0.28 #13674 0.00 5.5 years
Draw four cards. Then discard two cards unless you discard an instant or sorcery card.
Click a line or tag to filter
Cards similar to Practical Research 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.
Steamcore Scholar86%
$0.20↓#17114↓0.11↑2.7 years↓
"When this creature enters, draw two cards. Then discard two cards unless you discard an instant or sorcery card or a creature card with flying."
Mystic Meditation81%
$0.04↓#25813↓0.0011.6 years↑
"Draw three cards. Then discard two cards unless you discard a creature card."
Thirst for Identity81%
$0.29↑#10018↑0.11↑0.7 years↓
"Draw three cards. Then discard two cards unless you discard a creature card."
Cosmic Epiphany78%
$0.24↓#152830.074.1 years↓
"Draw cards equal to the number of instant and sorcery cards in your graveyard."
Thirst for Meaning78%
$0.15↓#8364↑0.006.7 years↑
"Draw three cards. Then discard two cards unless you discard an enchantment card."
Thirst for Knowledge77%
$0.20↓#1985↑0.0923.0 years↑
"Draw three cards. Then discard two cards unless you discard an artifact card."
Compulsive Research76%
$0.05↓#4428↑0.0821.0 years↑
"Target player draws three cards. Then that player discards two cards unless they discard a land card."
Winternight Stories76%
$1.36↑#5800↑0.061.5 years↓
"Draw three cards. Then discard two cards unless you discard a creature card."
Thirst for Discovery76%
$0.29↑#3762↑0.004.9 years
"Draw three cards. Then discard two cards unless you discard a basic land card."
Prying Eyes75%
$0.05↓#23198↓0.15↑7.7 years↑
"Draw four cards, then discard two cards."
Thoughtflare75%
$0.17↓#20350↓0.13↑14.0 years↑
"Draw four cards, then discard two cards."
Lock and Load71%
$0.64↑#6396↑0.052.5 years↓
"Draw a card, then draw a card for each other instant and sorcery spell you've cast this turn."