Tamiyo's Logbook 
Artifact — Book
$0.25 #10773 0.22 3.7 years
, 
: Draw a card. This ability costs 
less to activate for each other artifact you control.Click a line or tag to filter
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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.
Scepter of Insight87%
$0.17↓#30246↓0.00↓17.7 years↑
"
, : Draw a card."
, : Draw a card."
Arcane Encyclopedia87%
$0.17↓#111350.00↓8.3 years↑
", : Draw a card."
, : Draw a card."
Jodah's Codex86%
$0.25#16510↓0.12↓4.1 years
", : Draw a card. This ability costs less to activate for each basic land type among lands you control."
, : Draw a card. This ability costs less to activate for each basic land type among lands you control."
Urza's Blueprints85%
$0.18↓#23602↓0.09↓27.7 years↑
": Draw a card."
: Draw a card."
Diary of Dreams84%
$0.22↓#94440.05↓0.5 years↓
", : Draw a card. This ability costs less to activate for each page counter on this artifact."
, : Draw a card. This ability costs less to activate for each page counter on this artifact."
Tower of Fortunes82%
$0.30↑#17266↓0.33↑23.0 years↑
"
, : Draw four cards."
, : Draw four cards."
Loreseeker's Stone82%
$0.09↓#17218↓0.12↓12.0 years↑
", : Draw three cards. This ability costs more to activate for each card in your hand."
, : Draw three cards. This ability costs more to activate for each card in your hand."
Heirloom Epic82%
$0.25#103830.00↓2.2 years↓
"
, : Draw a card. For each mana in this ability's activation cost, you may tap an untapped creature you control rather than pay that mana. Activate only as a sorcery."
, : Draw a card. For each mana in this ability's activation cost, you may tap an untapped creature you control rather than pay that mana. Activate only as a sorcery."
Insight Engine81%
$1.03↑#2340↑0.231.2 years↓
", : Put a charge counter on this artifact, then draw a card for each charge counter on it."
, : Put a charge counter on this artifact, then draw a card for each charge counter on it."
Jayemdae Tome80%
$0.10↓#20120↓0.3133.2 years↑
", : Draw a card."
, : Draw a card."
Deepwood Denizen79%
$0.23↓#105930.00↓5.3 years↑
"
, : Draw a card. This ability costs less to activate for each +1/+1 counter on creatures you control."
, : Draw a card. This ability costs less to activate for each +1/+1 counter on creatures you control."
Archivist78%
$0.31↑#14736↓0.06↓27.7 years↑
": Draw a card."
: Draw a card."
Lu Su, Wu Advisor78%
$42.43↑#28132↓0.00↓27.5 years↑
": Draw a card. Activate only during your turn, before attackers are declared."
: Draw a card. Activate only during your turn, before attackers are declared."
Talas Researcher78%
$0.14↓#29792↓0.06↓28.3 years↑
": Draw a card. Activate only during your turn, before attackers are declared."
: Draw a card. Activate only during your turn, before attackers are declared."
Benalish Heralds77%
$0.22↓#31692↓0.00↓26.0 years↑
", : Draw a card."
, : Draw a card."
Azure Mage77%
$0.09↓#21293↓0.05↓15.3 years↑
": Draw a card."
: Draw a card."
Waterbending Scroll77%
$0.23↓#7421↑0.140.9 years↓
"
, : Draw a card. This ability costs less to activate for each Island you control."
, : Draw a card. This ability costs less to activate for each Island you control."
Aether Syphon76%
$0.33↑#8541↑0.191.7 years↓
", : Draw a card."
, : Draw a card."
Fool's Tome76%
$0.33↑#27561↓0.06↓29.0 years↑
", : Draw a card. Activate only if you have no cards in hand."
, : Draw a card. Activate only if you have no cards in hand."
Spectral Sailor76%
$0.10↓#1991↑0.10↓7.3 years↑
": Draw a card."
: Draw a card."