Tablet of Discovery 
Artifact
$1.85 #4045 0.00 0.4 years
When this artifact enters, mill a card. You may play that card this turn. (To mill a card, put the top card of your library into your graveyard.)
: Add .: Add . Spend this mana only to cast instant and sorcery spells.Click a line or tag to filter
Cards similar to Tablet of Discovery 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.
Jaya Ballard86%
$0.45↓#9108↓0.24↑8.4 years↑
"+1: Add . Spend this mana only to cast instant or sorcery spells."
. Spend this mana only to cast instant or sorcery spells."
Vodalian Arcanist86%
$0.07↓#17476↓0.50↑8.4 years↑
": Add 
. Spend this mana only to cast an instant or sorcery spell."
: Add . Spend this mana only to cast an instant or sorcery spell."
Hydro-Channeler83%
$0.17↓#13473↓0.000.4 years
": Add 
. Spend this mana only to cast an instant or sorcery spell."
: Add . Spend this mana only to cast an instant or sorcery spell."
Abstract Paintmage83%
$0.26↓#10078↓0.000.4 years
"At the beginning of your first main phase, add . Spend this mana only to cast instant and sorcery spells."
. Spend this mana only to cast instant and sorcery spells."
Ore-Rich Stalactite // Cosmium Catalyst82%
$0.33↓#13808↓0.002.8 years↑
": Add . Spend this mana only to cast an instant or sorcery spell."
: Add . Spend this mana only to cast an instant or sorcery spell."
Cormela, Glamour Thief81%
$0.21↓#6269↓0.38↑4.4 years↑
"
, : Add 
. Spend this mana only to cast instant and/or sorcery spells."
, : Add . Spend this mana only to cast instant and/or sorcery spells."
Pelargir Survivor81%
$0.09↓#15039↓0.003.2 years↑
": Add one mana of any color. Spend this mana only to cast an instant or sorcery spell."
: Add one mana of any color. Spend this mana only to cast an instant or sorcery spell."
Volshe Tideturner80%
$0.20↓#14726↓0.004.0 years↑
": Add . Spend this mana only to cast an instant or sorcery spell or a kicked spell."
: Add . Spend this mana only to cast an instant or sorcery spell or a kicked spell."
Unblinking Observer78%
$0.15↓#18766↓0.33↑4.9 years↑
": Add . Spend this mana only to pay a disturb cost or cast an instant or sorcery spell."
: Add . Spend this mana only to pay a disturb cost or cast an instant or sorcery spell."
Karfell Harbinger78%
$0.14↓#15201↓0.005.6 years↑
": Add . Spend this mana only to foretell a card from your hand or cast an instant or sorcery spell."
: Add . Spend this mana only to foretell a card from your hand or cast an instant or sorcery spell."
Curious Homunculus // Voracious Reader77%
$0.33↓#9470↓0.29↑10.1 years↑
": Add . Spend this mana only to cast an instant or sorcery spell."
: Add . Spend this mana only to cast an instant or sorcery spell."
Rakdos Locket77%
$0.20↓#8382↓0.29↑7.6 years↑
": Add or ."
: Add or ."
Rakdos Cluestone77%
$0.14↓#10565↓0.0013.3 years↑
": Add or ."
: Add or ."
Nivix, Aerie of the Firemind76%
$0.14↓#19376↓0.14↑20.6 years↑
": Add ."
: Add ."
Thought Vessel76%
$2.44↑#21↑0.27↑10.8 years↑
": Add ."
: Add ."
Hierophant's Chalice76%
$0.20↓#15312↓0.24↑8.9 years↑
": Add ."
: Add ."
Mishra's Workshop75%
$3249.99↑#38101.55↑32.5 years↑
": Add . Spend this mana only to cast artifact spells."
: Add . Spend this mana only to cast artifact spells."
Life of Toshiro Umezawa // Memory of Toshiro74%
$0.21↓#17295↓0.004.5 years↑
", Pay 1 life: Add . Spend this mana only to cast an instant or sorcery spell."
, Pay 1 life: Add . Spend this mana only to cast an instant or sorcery spell."
Somberwald Sage74%
$0.59↓#2559↑0.20↑14.3 years↑
": Add three mana of any one color. Spend this mana only to cast creature spells."
: Add three mana of any one color. Spend this mana only to cast creature spells."
Omen Hawker73%
$0.36↓#5016↓0.003.4 years↑
": Add . Spend this mana only to activate abilities."
: Add . Spend this mana only to activate abilities."