Emerald Medallion 
Artifact
$4.07 #586 0.20 28.9 years
Green spells you cast cost 
less to cast.
less to cast.Click a line or tag to filter
Cards similar to Emerald Medallion 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.
Sunscape Familiar94%
$1.24↓#6127↓0.1425.6 years↓
"Green spells and blue spells you cast cost less to cast."
less to cast."
Thunderscape Familiar92%
$0.25↓#15646↓0.2725.6 years↓
"Black spells and green spells you cast cost less to cast."
less to cast."
Goblin Anarchomancer91%
$0.43↓#5500.195.2 years↓
"Each spell you cast that's red or green costs less to cast."
less to cast."
The Earth Crystal90%
$13.76↑#723↓0.42↑1.2 years↓
"Green spells you cast cost less to cast."
less to cast."
Rhonas's Monument88%
$1.29↓#2145↓0.169.4 years↓
"Green creature spells you cast cost less to cast."
less to cast."
Stone Calendar84%
$14.67↑#20270↓0.48↑32.1 years↑
"Spells you cast cost less to cast."
less to cast."
Memory Crystal82%
$2.14↓#23969↓0.60↑28.2 years
"Buyback costs cost less."
less."
Crabapple Cohort80%
$0.08↓#29591↓0.1618.3 years↓
"This creature gets +1/+1 as long as you control another green creature."
Pearl Medallion78%
$5.55↑#454↑0.2328.9 years
"White spells you cast cost less to cast."
less to cast."
Defiler of Vigor77%
$2.73↓#1605↓0.37↑4.0 years↓
"As an additional cost to cast green 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 green mana you pay."
less to cast if you paid life this way. This effect reduces only the amount of green mana you pay."
Helm of Awakening75%
$1.51↓#1903↓0.36↑29.6 years
"Spells cost less to cast."
less to cast."
Khalni Hydra74%
$13.19↑#14079↓0.2716.4 years↓
"This spell costs less to cast for each green creature you control."
less to cast for each green creature you control."
Sapphire Medallion74%
$7.39↑#365↑0.3028.9 years
"Blue spells you cast cost less to cast."
less to cast."
Jet Medallion74%
$12.06↑#278↑0.2228.9 years
"Black spells you cast cost less to cast."
less to cast."
Nylea, Keen-Eyed73%
$4.68↑#3514↓0.166.6 years↓
"Creature spells you cast cost less to cast."
less to cast."
Ruby Medallion72%
$13.06↑#291↑0.2828.9 years
"Red spells you cast cost less to cast."
less to cast."
Uthros Psionicist72%
$0.31↓#9825↓0.231.1 years↓
"The second spell you cast each turn costs less to cast."
less to cast."
Highspire Bell-Ringer72%
$0.17↓#10995↓0.171.4 years↓
"The second spell you cast each turn costs less to cast."
less to cast."
Raging Battle Mouse72%
$0.24↓#12241↓0.06↓3.0 years↓
"The second spell you cast each turn costs less to cast."
less to cast."
Stormscape Familiar72%
$0.94↓#6811↓0.1425.6 years↓
"White spells and black spells you cast cost less to cast."
less to cast."