Forum:Majesty's Fiend vs Vanity's Fiend effect

Suppose if Majesty's Fiend is on the field first does it prevent Vanity's Continuous effect from being activated assuming it was summoned to the field after him or am I mistaken?

Thanks for reading.

(Adamjensen2030 (talk • contribs) 02:12, August 22, 2018 (UTC))