Thunderscape Familiar 
Creature — Kavu
$0.31 #15837 0.00 25.7 years
First strike
Black spells and green spells you cast cost less to cast.
less to cast.Click a line or tag to filter
Cards similar to Thunderscape 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.
Jet Medallion94%
$13.42↑#274↑0.27↑29.0 years↑
"Black spells you cast cost less to cast."
less to cast."
Emerald Medallion92%
$5.16↑#582↑0.30↑29.0 years↑
"Green spells you cast cost less to cast."
less to cast."
Stormscape Familiar90%
$1.35↑#6816↑0.0625.7 years
"White spells and black spells you cast cost less to cast."
less to cast."
Sunscape Familiar86%
$1.32↑#6171↑0.0025.7 years
"Green spells and blue spells you cast cost less to cast."
less to cast."
Goblin Anarchomancer86%
$0.34↑#558↑0.17↑5.3 years↓
"Each spell you cast that's red or green costs less to cast."
less to cast."
Steel Leaf Paladin80%
$0.12↓#31998↓0.0025.7 years
"First strike"
The Earth Crystal80%
$12.45↑#678↑0.46↑1.4 years↓
"Green spells you cast cost less to cast."
less to cast."
Scarred Puma79%
$0.14↓#31801↓0.0026.0 years
"This creature can't attack unless a black or green creature also attacks."
The Darkness Crystal78%
$4.90↑#1142↑0.66↑1.4 years↓
"Black spells you cast cost less to cast."
less to cast."
Bontu's Monument78%
$2.16↑#665↑0.32↑9.5 years↓
"Black creature spells you cast cost less to cast."
less to cast."
Rhonas's Monument78%
$0.42↑#2126↑0.27↑9.5 years↓
"Green creature spells you cast cost less to cast."
less to cast."
Abzan Runemark76%
$0.11↓#19455↓0.0011.7 years↓
"Enchanted creature has vigilance as long as you control a black or green permanent."
Rage Weaver76%
$0.10↓#31882↓0.0626.0 years
"
: Target black or green creature gains haste until end of turn."
: Target black or green creature gains haste until end of turn."
Bloodhall Ooze76%
$0.50↑#21772↓0.0017.7 years↓
"At the beginning of your upkeep, if you control a black permanent, you may put a +1/+1 counter on this creature."
Ashenmoor Cohort75%
$0.18↓#31684↓0.0018.5 years↓
"This creature gets +1/+1 as long as you control another black creature."
Nightshade Assassin74%
$0.21↓#138380.24↑20.0 years↓
"First strike"
Creakwood Liege73%
$0.31#5070↑0.0618.2 years↓
"Other black creatures you control get +1/+1."
Marshmist Titan72%
$0.11↓#22308↓0.0612.7 years↓
"This spell costs 
less to cast, where X is your devotion to black."
less to cast, where X is your devotion to black."
Memory Crystal72%
$2.23↑#24089↓0.19↑28.3 years↑
"Buyback costs cost less."
less."
Crabapple Cohort72%
$0.11↓#29891↓0.0018.5 years↓
"This creature gets +1/+1 as long as you control another green creature."