Herd Heirloom 
Artifact
$4.15 #1084 0.06 1.5 years
: Add one mana of any color. Spend this mana only to cast a creature spell.: Until end of turn, target creature you control with power 4 or greater gains trample and "Whenever this creature deals combat damage to a player, draw a card."Click a line or tag to filter
Cards similar to Herd Heirloom 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.
Beastcaller Savant84%
$0.56↓#5069↓0.28↑11.0 years↑
": Add one mana of any color. Spend this mana only to cast a creature spell."
: Add one mana of any color. Spend this mana only to cast a creature spell."
Dependable Quinjet82%
$0.17↓#15159↓0.19↑0.3 years↓
": Add one mana of any color."
: Add one mana of any color."
Interdimensional Web Watch81%
$0.32↓#6259↓0.29↑1.1 years
": Add two mana in any combination of colors. Spend this mana only to cast spells from exile."
: Add two mana in any combination of colors. Spend this mana only to cast spells from exile."
Bonder's Ornament81%
$0.36↓#8826↓0.21↑6.5 years↑
": Add one mana of any color."
: Add one mana of any color."
Throne of Eldraine80%
$29.41↑#8970.28↑3.1 years↑
": Add four mana of the chosen color. Spend this mana only to cast monocolored spells of that color."
: Add four mana of the chosen color. Spend this mana only to cast monocolored spells of that color."
Humble Naturalist80%
$0.16↓#17349↓0.146.5 years↑
": Add one mana of any color. Spend this mana only to cast a creature spell."
: Add one mana of any color. Spend this mana only to cast a creature spell."
Pillar of Origins79%
$0.43↓#6050↓0.21↑9.1 years↑
": Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type."
: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type."
Hot Dog Cart78%
$0.21↓#6105↓0.31↑1.1 years
": Add one mana of any color."
: Add one mana of any color."
Tome of the Guildpact78%
$0.66↓#6842↓0.117.7 years↑
": Add one mana of any color."
: Add one mana of any color."
Somberwald Sage78%
$0.49↓#2577↓0.19↑14.5 years↑
": Add three mana of any one color. Spend this mana only to cast creature spells."
: Add three mana of any one color. Spend this mana only to cast creature spells."
Ms. Marvel, Elastic Ally78%
$0.22↓#27256↓0.18↑0.3 years↓
"Whenever a creature you control with power greater than its base power deals combat damage to a player, draw a card. This ability triggers only once each turn."
Letter of Acceptance78%
$0.14↓#9671↓0.005.5 years↑
": Add one mana of any color."
: Add one mana of any color."
Colossal Majesty78%
$0.32↓#1364↓0.20↑8.3 years↑
"At the beginning of your upkeep, if you control a creature with power 4 or greater, draw a card."
Bugenhagen, Wise Elder77%
$0.41↓#2436↓0.23↑1.4 years
": Add one mana of any color."
: Add one mana of any color."+1 more matching line
Intelligence Bobblehead77%
$0.65↓#5913↓0.002.6 years↑
": Add one mana of any color."
: Add one mana of any color."
Blitzball77%
$0.28↓#3461↓0.001.4 years
": Add one mana of any color."
: Add one mana of any color."
Coastal Piracy77%
$0.29↓#1517↓0.19↑27.0 years↑
"Whenever a creature you control deals combat damage to an opponent, you may draw a card."
Ancient Ziggurat76%
$0.33↓#2491↓0.0617.7 years↑
": Add one mana of any color. Spend this mana only to cast a creature spell."
: Add one mana of any color. Spend this mana only to cast a creature spell."
Gideon's Memorial76%
$0.33↓#15088↓0.020.0 years↓
": Add one mana of any color. Spend this mana only to cast a planeswalker spell."
: Add one mana of any color. Spend this mana only to cast a planeswalker spell."
Coveted Jewel76%
$0.21↓#12620.18↑8.2 years↑
": Add three mana of any one color."
: Add three mana of any one color."