Inquisitor Greyfax {1}{W}{U}{B}
Legendary Creature — Human Inquisitor
Vigilance
Unquestionable Wisdom — Other creatures you control get +1/+0 and have vigilance.
Hunt for Heresy — {1}, {T}: Tap target creature an opponent controls. Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")
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Cards that do something similar expected a card that isn't here?
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Oathsworn Giant 99%
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"Other creatures you control get +0/+2 and have vigilance."
+1 more matching line
Kaheera, the Orphanguard 81%
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"Each other creature you control that's a Cat, Elemental, Nightmare, Dinosaur, or Beast gets +1/+1 and has vigilance."
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Captain of the Watch 80%
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"Other Soldier creatures you control get +1/+1 and have vigilance."
+1 more matching line