Previewed here: https://www.iyingdi.com/web/bbspost/detail/2338086
Seems to be a functional reprint of Shared Triumph?
[KHM] Shared Triumph functional reprint
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Not an exact copy, since it only affects creatures you control, unlike Shared Triumph. But otherwise, yes, functionally equivalent. Seems like a solid option for any white tribal decks. Does compete with Honor of the Pure and Intangible Virtue in other formats though.