Harabaz Druid {1}{G}
Creature — Human Druid Ally
{T}: Add X mana of any one color, where X is the number of Allies you control.
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Cards that do something similar 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.
Doc Samson, Super Psychiatrist 83%
$0.27#14867
"{T}: Add X mana of any one color, where X is this card's power."
Mona Lisa, Science Geek 83%
$0.30#7161
"{T}: Add X mana of any one color, where X is this card's power."
Séance Board 83%
$3.97#4178
"{T}: Add X mana of any one color, where X is the number of soul counters on this artifact. Spend this mana only to cast instant, sorcery, Demon, and Spirit spells."
Redshift, Rocketeer Chief 83%
$0.27#9524
"{T}: Add X mana of any one color, where X is this card's power. Spend this mana only to activate abilities."
Arbor Adherent 83%
$1.37#3110
"{T}: Add X mana of any one color, where X is the greatest toughness among other creatures you control."
Sanctum Weaver 82%
$5.11#615
"{T}: Add X mana of any one color, where X is the number of enchantments you control."
White Lotus Tile 81%
$4.15#4330
"{T}: Add X mana of any one color, where X is the greatest number of creatures you control that have a creature type in common."
The Legend of Kyoshi // Avatar Kyoshi 80%
$5.49#3451
"{T}: Add X mana of any one color, where X is the greatest power among creatures you control."