Chromium, the Mutable 
Legendary Creature — Elder Dragon
$0.80 #16857 0.00 8.1 years
Flash
This spell can't be countered.
Flying
Discard a card: Until end of turn, Chromium becomes a Human with base power and toughness 1/1, loses all abilities, and gains hexproof. It can't be blocked this turn.
Click a line or tag to filter
Cards similar to Chromium, the Mutable 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.
Oblivion Crown89%
$0.30↓#12497↑0.50↑19.3 years↑
"Flash"
Hit-Monkey83%
$2.59↑#137660.000.2 years↓
"This spell can't be countered."
Vexing Beetle83%
$0.24↓#31481↓0.0023.6 years↑
"This spell can't be countered."
Terra Stomper83%
$0.19↓#154390.71↑16.9 years↑
"This spell can't be countered."
Carnage Tyrant83%
$4.38↑#6706↑0.28↑8.9 years
"This spell can't be countered."
Gigantic Big Bear83%
$0.42↓#135210.000.1 years↓
"This spell can't be countered."
Blurred Mongoose83%
$0.58↓#30278↓0.11↑25.9 years↑
"This spell can't be countered."
Cephalid Inkshrouder80%
$0.38↓#156320.32↑24.3 years↑
"Discard a card: This creature gains shroud until end of turn and can't be blocked this turn."
Cragplate Baloth80%
$0.23↓#12738↑0.15↑5.9 years↓
"This spell can't be countered."
Prognostic Sphinx79%
$0.15↓#10410↑0.38↑12.9 years↑
"Discard a card: This creature gains hexproof until end of turn. Tap it."
Last Word79%
$0.65↓#186970.67↑22.6 years↑
"This spell can't be countered."
Loxodon Smiter78%
$0.21↓#23103↓0.27↑13.9 years↑
"This spell can't be countered."
Heated Debate78%
$0.13↓#201920.24↑5.4 years↓
"This spell can't be countered."
Scragnoth78%
$0.14↓#30845↓0.0028.9 years↑
"This spell can't be countered."
Skylasher78%
$0.20↓#176920.58↑13.3 years↑
"This spell can't be countered."
+1 more matching line
Aeromoeba78%
$0.09↓#21171↓0.24↑5.2 years↓
"Discard a card: Switch this creature's power and toughness until end of turn."
+1 more matching line
Aquamoeba78%
$0.09↓#161950.59↑24.6 years↑
"Discard a card: Switch this creature's power and toughness until end of turn."
Kavu Chameleon78%
$0.17↓#29966↓0.13↑25.9 years↑
"This spell can't be countered."
Supreme Verdict78%
$1.34↑#473↑0.70↑13.9 years↑
"This spell can't be countered."
Slice from the Shadows78%
$0.19↓#8350↑0.35↑2.6 years↓
"This spell can't be countered."