Mana Echoes 
Enchantment
$54.75 #4017 0.73 23.9 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%
$5.45↓#40400.00↓0.8 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%
$5.12↓#8700↓0.25↓23.3 years
"Enchanted creature gets +2/+2 for each other creature on the battlefield that shares a creature type with it."
Coat of Arms70%
$10.41↓#942↑0.87↑28.2 years↑
"Each creature gets +1/+1 for each other creature on the battlefield that shares at least one creature type with it."