The text on Cyrus{*} should say, "You can play this card only if your Active Pokémon is a {W} or {M} Pokémon". The original text says you can't play this card unless you have a {W} or {M} Pokémon in play, but the intended requirement is to have a {W} or {M} Pokémon as your Active Pokémon.
Source: Organized Play News (2018-01-24)

Relevant cards

Note: All applicable cards may not be listed below.
SM5_120