Swarming of Moria {2}{R}
Sorcery
Create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")
Amass Orcs 2. (Put two +1/+1 counters on an Army you control. It's also an Orc. If you don't control an Army, create a 0/0 black Orc Army creature token first.)
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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.
Foray of Orcs 95%
$0.18#6857
"Amass Orcs 2. When you do, this card deals X damage to target creature an opponent controls, where X is the amassed Army's power."
Summons of Saruman 87%
$0.27#5851
"Amass Orcs X. Mill X cards. You may cast an instant or sorcery spell with mana value X or less from among them without paying its mana cost."