Manas, Knight of the Order

Vigilance, prowess
{w}{u}, Tap any number of untapped Knight creatures you control: Detain target creature with power X or less, where X is the total
power of Knight creatures you tapped.
(Until your next turn, that creature can't attack
or block and its activated abilities can't be activated.)
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@KalamMekhar
https://mtgcardsmith.com/user/KalamMekhar