Maester Seymour 

Legendary Creature — Human Elf Cleric
$0.27 #3744 0.37 1.2 years
At the beginning of combat on your turn, put a number of +1/+1 counters equal to Maester Seymour's power on another target creature you control.
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Cards similar to Maester Seymour 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.
War Machine, Legacy of Iron82%
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"At the beginning of combat on your turn, another target creature you control gets +X/+0 until end of turn, where X is this card's power."
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"At the beginning of combat on your turn, put X +1/+1 counters on another target creature you control, where X is this card's power. That creature gains haste until end of turn."
Shelinda, Yevon Acolyte78%
$0.25↓#5586↓0.471.2 years
"Whenever another creature you control enters, put a +1/+1 counter on that creature if its power is less than this card's power. Otherwise, put a +1/+1 counter on this card."