Silumgar's Scorn 
Instant
$0.22 #13136 0.21 11.4 years
As an additional cost to cast this spell, you may reveal a Dragon card from your hand.
Counter target spell unless its controller pays 
. If you revealed a Dragon card or controlled a Dragon as you cast this spell, counter that spell instead.
. If you revealed a Dragon card or controlled a Dragon as you cast this spell, counter that spell instead.Click a line or tag to filter
Cards similar to Silumgar's Scorn 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.
Scaleguard Sentinels95%
$0.09↓#28900↓0.00↓11.4 years
"As an additional cost to cast this spell, you may reveal a Dragon card from your hand."
Dispelling Exhale94%
$0.19↓#8963↑0.121.4 years↓
"Counter target spell unless its controller pays 
. If a Dragon was beheld, counter that spell unless its controller pays 
instead."
. If a Dragon was beheld, counter that spell unless its controller pays instead."+1 more matching line
Foul-Tongue Invocation94%
$0.13↓#23636↓0.2911.4 years
"As an additional cost to cast this spell, you may reveal a Dragon card from your hand."
+1 more matching line
Orator of Ojutai93%
$0.16↓#143240.55↑11.7 years
"As an additional cost to cast this spell, you may reveal a Dragon card from your hand."
Draconic Roar92%
$0.14↓#19452↓0.1311.4 years
"As an additional cost to cast this spell, you may reveal a Dragon card from your hand."
+1 more matching line
Dragonlord's Prerogative90%
$0.25↑#19835↓0.44↑11.4 years
"As an additional cost to cast this spell, you may reveal a Dragon card from your hand."
+1 more matching line
Dragon's Fire82%
$0.26↑#7123↑0.00↓5.1 years↓
"As an additional cost to cast this spell, you may reveal a Dragon card from your hand or choose a Dragon you control."
+1 more matching line
We Say Thee Nay!82%
$0.20↓#134170.00↓0.2 years↓
"Counter target spell unless its controller pays . Counter that spell unless its controller pays instead if this spell was cast using teamwork."
. Counter that spell unless its controller pays instead if this spell was cast using teamwork."
Mana Tithe82%
$0.78↑#2148↑0.47↑19.6 years↑
"Counter target spell unless its controller pays ."
."
It'll Quench Ya!81%
$0.27↑#3783↑0.00↓0.8 years↓
"Counter target spell unless its controller pays ."
."
Temple of the Dragon Queen79%
$0.32↑#2536↑0.07↓5.1 years↓
"As this land enters, you may reveal a Dragon card from your hand. This land enters tapped unless you revealed a Dragon card this way or you control a Dragon."
Bring the Ending78%
$0.25↑#10286↑0.53↑3.6 years↓
"Counter target spell unless its controller pays ."
."
Dragon's Disciple78%
$0.20↓#19261↓0.275.1 years↓
"As this creature enters, you may reveal a Dragon card from your hand. If you do or if you control a Dragon, this creature enters with a +1/+1 counter on it."
+1 more matching line
Lofty Denial78%
$0.33↑#5306↑0.07↓6.2 years↓
"Counter target spell unless its controller pays . If you control a creature with flying, counter that spell unless its controller pays instead."
. If you control a creature with flying, counter that spell unless its controller pays instead."
Censor77%
$0.21↓#133520.56↑9.4 years↓
"Counter target spell unless its controller pays ."
."
Spell Snip77%
$0.12↓#27124↓0.45↑17.9 years↑
"Counter target spell unless its controller pays ."
."
Complicate76%
$0.26↑#134810.33↑23.9 years↑
"Counter target spell unless its controller pays 
."
."
Dracogenesis76%
$12.31↑#2300↑1.01↑1.4 years↓
"You may cast Dragon spells without paying their mana costs."
Lookout's Dispersal76%
$0.24↑#105420.40↑8.9 years↓
"Counter target spell unless its controller pays ."
."
Draconic Lore76%
$0.19↓#7822↑0.03↓4.2 years↓
"This spell costs less to cast if you control a Dragon."
less to cast if you control a Dragon."