Splinter's Technique {3}{B}
Sorcery
Sneak {1}{B} (You may cast this spell for {1}{B} if you also return an unblocked attacker you control to hand during the declare blockers step.)
Search your library for a card, put that card into your hand, then shuffle.
click a line to search just that ability, click more to combine them
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.
Demonic Collusion 100%
$3.41#15066
"Search your library for a card, put that card into your hand, then shuffle."
Emeritus of Woe // Demonic Tutor 100%
$12.32#4197
"Search your library for a card, put that card into your hand, then shuffle."
Demonic Tutor 100%
$76.58#60
"Search your library for a card, put that card into your hand, then shuffle."
Dark Petition 100%
$2.80#3808
"Search your library for a card, put that card into your hand, then shuffle."
Profane Tutor 100%
$3.92#1657
"Search your library for a card, put that card into your hand, then shuffle."
Diabolic Tutor 100%
$2.12#467
"Search your library for a card, put that card into your hand, then shuffle."
Razaketh's Rite 100%
$0.25#9976
"Search your library for a card, put that card into your hand, then shuffle."
Diabolic Intent 100%
$18.01#267
"Search your library for a card, put that card into your hand, then shuffle."
Illicit Shipment 100%
$0.12#10124
"Search your library for a card, put it into your hand, then shuffle."
Entomb 93%
$17.57#327
"Search your library for a card, put that card into your graveyard, then shuffle."
Gamble 91%
$17.38#236
"Search your library for a card, put that card into your hand, discard a card at random, then shuffle."
Lat-Nam's Legacy 86%
#16183
"Shuffle a card from your hand into your library. If you do, draw two cards at the beginning of the next turn's upkeep."
Long-Term Plans 85%
$4.86#5206
"Search your library for a card, then shuffle and put that card third from the top."
Eladamri's Call 85%
$10.35#756
"Search your library for a creature card, reveal that card, put it into your hand, then shuffle."
Altar of Bone 84%
$10.31#14201
"Search your library for a creature card, reveal it, put it into your hand, then shuffle."
Distant Memories 83%
$0.30#20371
"Search your library for a card, exile it, then shuffle. Any opponent may have you put that card into your hand. If no player does, you draw three cards."
Idyllic Tutor 83%
$13.10#748
"Search your library for an enchantment card, reveal it, put it into your hand, then shuffle."