Strength of Solidarity 
Sorcery
Choose target creature you control. Put a +1/+1 counter on it for each creature in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.)
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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.
Predator's Rapport 82%
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Nibelheim Aflame 82%
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Augmenter Pugilist // Echoing Equation 82%
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Nanogene Conversion 81%
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Showstopping Surprise 81%
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"Choose target creature you control. Turn it face up if it's face down. Then it deals damage equal to its power to each other creature."
Hunter's Insight 81%
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"Choose target creature you control. Whenever that creature deals combat damage to a player or planeswalker this turn, draw that many cards."