Mistform Warchief 
Creature — Illusion
$0.18 #19940 0.28 23.3 years
Creature spells you cast that share a creature type with this creature cost 
less to cast.
less to cast.
: This creature becomes the creature type of your choice until end of turn.Click a line or tag to filter
Cards similar to Mistform Warchief 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.
Urza's Incubator86%
$18.41↑#316↑0.52↑27.2 years↑
"Creature spells of the chosen type cost less to cast."
less to cast."
Herald's Horn84%
$1.97↑#150↑0.219.0 years↓
"Creature spells you cast of the chosen type cost less to cast."
less to cast."
Titan of Littjara78%
$0.49↑#4939↑0.253.1 years↓
"As this creature enters, choose a creature type."
+1 more matching line
Planar Gate76%
$77.60↑#213200.68↑32.3 years↑
"Creature spells you cast cost less to cast."
less to cast."
Mistform Skyreaver74%
$0.29↑#31257↓0.06↓23.9 years
": This creature becomes the creature type of your choice until end of turn."
: This creature becomes the creature type of your choice until end of turn."
Mistform Dreamer74%
$0.09↓#30984↓0.06↓23.9 years
": This creature becomes the creature type of your choice until end of turn."
: This creature becomes the creature type of your choice until end of turn."
Synchronized Eviction74%
$0.22↑#204410.273.8 years↓
"This spell costs less to cast if you control at least two creatures that share a creature type."
less to cast if you control at least two creatures that share a creature type."
Mistform Seaswift72%
$0.14↓#31007↓0.42↑23.6 years
": This creature becomes the creature type of your choice until end of turn."
: This creature becomes the creature type of your choice until end of turn."
Mistform Shrieker72%
$0.19↑#31369↓0.00↓23.9 years
": This creature becomes the creature type of your choice until end of turn."
: This creature becomes the creature type of your choice until end of turn."
Honest Rutstein72%
$0.39↑#1787↑0.192.4 years↓
"Creature spells you cast cost less to cast."
less to cast."
Marauding Raptor70%
$0.91↑#3000↑0.18↓7.2 years↓
"Creature spells you cast cost less to cast."
less to cast."
Gathering Stone70%
$0.59↑#3375↑0.00↓0.6 years↓
"Spells you cast of the chosen type cost less to cast."
less to cast."
Heartless Summoning70%
$1.42↑#2793↑0.2514.9 years↓
"Creature spells you cast cost less to cast."
less to cast."
Mirror of the Forebears70%
$1.63↑#10360↑0.53↑9.0 years↓
": Until end of turn, this artifact becomes a copy of target creature you control of the chosen type, except it's an artifact in addition to its other types."
: Until end of turn, this artifact becomes a copy of target creature you control of the chosen type, except it's an artifact in addition to its other types."+1 more matching line