Thornscape Familiar 
Creature — Insect
$0.32 #18091 0.10 25.7 years
Red spells and white spells you cast cost less to cast.
less to cast.Click a line or tag to filter
Cards similar to Thornscape Familiar 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.
Ruby Medallion94%
$14.07↑#293↑0.28↑29.0 years↑
"Red spells you cast cost less to cast."
less to cast."
Pearl Medallion93%
$7.43↑#429↑0.1929.0 years↑
"White spells you cast cost less to cast."
less to cast."
Goblin Anarchomancer88%
$0.34↑#558↑0.175.3 years↓
"Each spell you cast that's red or green costs less to cast."
less to cast."
Stormscape Familiar88%
$1.35↑#6816↑0.0625.7 years
"White spells and black spells you cast cost less to cast."
less to cast."
Nightscape Familiar84%
$0.42↑#1159↑0.1225.7 years
"Blue spells and red spells you cast cost less to cast."
less to cast."
Grand Arbiter Augustin IV82%
$18.23↑#1808↑2.76↑20.5 years↓
"White spells you cast cost less to cast."
less to cast."
The Fire Crystal82%
$6.92↑#835↑0.35↑1.4 years↓
"Red spells you cast cost less to cast."
less to cast."
Battle Brawler80%
$0.14↓#25095↓0.1711.7 years↓
"As long as you control a red or white permanent, this creature gets +1/+0 and has first strike."
Hazoret's Monument78%
$0.57↑#1914↑0.20↑9.5 years↓
"Red creature spells you cast cost less to cast."
less to cast."
The Wind Crystal78%
$7.75↑#888↑0.39↑1.4 years↓
"White spells you cast cost less to cast."
less to cast."
Agrus Kos, Wojek Veteran78%
$0.36↑#182710.0621.0 years↓
"Whenever this card attacks, attacking red creatures get +2/+0 and attacking white creatures get +0/+2 until end of turn."
Oketra's Monument77%
$3.33↑#1051↑0.20↑9.5 years↓
"White creature spells you cast cost less to cast."
less to cast."
Might Weaver76%
$0.06↓#31834↓0.0626.0 years
"
: Target red or white creature gains trample until end of turn."
: Target red or white creature gains trample until end of turn."
Stone Calendar74%
$14.91↑#205420.37↑32.2 years↑
"Spells you cast cost less to cast."
less to cast."
Jeskai Runemark74%
$0.03↓#24342↓0.0611.7 years↓
"Enchanted creature has flying as long as you control a red or white permanent."
Mudbrawler Cohort74%
$0.14↓#27330↓0.00↓18.5 years↓
"This creature gets +1/+1 as long as you control another red creature."
Heartlash Cinder74%
$0.14↓#26652↓0.0618.2 years↓
"When this creature enters, it gets +X/+0 until end of turn, where X is the number of red mana symbols in the mana costs of permanents you control."
Light from Within72%
$8.16↑#23614↓0.1118.2 years↓
"Each creature you control gets +1/+1 for each white mana symbol in its mana cost."
Ballynock Cohort72%
$0.12↓#25285↓0.00↓18.5 years↓
"This creature gets +1/+1 as long as you control another white creature."
Defiler of Instinct71%
$0.41↑#4968↑0.29↑4.1 years↓
"As an additional cost to cast red permanent spells, you may pay 2 life. Those spells cost 
less to cast if you paid life this way. This effect reduces only the amount of red mana you pay."
less to cast if you paid life this way. This effect reduces only the amount of red mana you pay."