Quarum Trench Gnomes 
Creature — Gnome
$12.86 #30812 0.74 32.3 years
: If target Plains is tapped for mana, it produces colorless mana instead of white mana. (This effect lasts indefinitely.)Click a line or tag to filter
Cards similar to Quarum Trench Gnomes 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.
Reality Twist72%
$2.80↓#270961.32↑31.3 years↓
"If tapped for mana, Plains produce , Swamps produce 
, Mountains produce 
, and Forests produce 
instead of any other type."
, Swamps produce , Mountains produce , and Forests produce instead of any other type."
Naked Singularity70%
$3.00↓#24356↑1.29↑31.3 years↓
"If tapped for mana, Plains produce , Islands produce , Swamps produce , Mountains produce 
, and Forests produce instead of any other type."
, Islands produce , Swamps produce , Mountains produce , and Forests produce instead of any other type."
Deep Water70%
$0.26↓#299160.50↓32.1 years
": Until end of turn, if you tap a land you control for mana, it produces instead of any other type."
: Until end of turn, if you tap a land you control for mana, it produces instead of any other type."
Pulse of Llanowar70%
$0.28↓#263670.37↓25.9 years↓
"If a basic land you control is tapped for mana, it produces mana of a color of your choice instead of any other type."