If at least one creature in combat has first strike or double strike, you can activate Yuffie's ninjutsu ability during the first-strike combat damage step
In short: the goal is to not be the archenemy at the table and instead work with the other players to take out other threats -- all while you're setting up to snag victory once your opponents have wasted their resources
If youve played Olivia, Crimson Bride before (or just read the card) then youll notice that you can put any creature into play, not just vampires
Otherwise the ability may be used more than once in a turn
The value of X is calculated only once, as Consuming Corruption resolves
And, as always, if you have any questions, feel free to hit me up on Twitter, Instagram, TikTok, or YouTubeI always appreciate hearing what people have to say