Mana Echoes 
Enchantment
$55.91 #4029 0.70 24.0 years
Whenever a creature enters, you may add an amount of 
equal to the number of creatures you control that share a creature type with it.
equal to the number of creatures you control that share a creature type with it.Click a line or tag to filter
Cards similar to Mana Echoes 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.
White Lotus Tile77%
$4.74↓#38550.31↓0.9 years↓
"
: Add X mana of any one color, where X is the greatest number of creatures you control that have a creature type in common."
: Add X mana of any one color, where X is the greatest number of creatures you control that have a creature type in common."
Alpha Status70%
$4.48↓#8794↓0.53↓23.4 years
"Enchanted creature gets +2/+2 for each other creature on the battlefield that shares a creature type with it."
Coat of Arms70%
$12.24↓#960↑0.82↑28.3 years↑
"Each creature gets +1/+1 for each other creature on the battlefield that shares at least one creature type with it."