Cards are categorized into different rarity levels, such as common, uncommon, rare, and legendary
Even worse, it leaves you down a Jumbo Cactuar, and once you've shown your ruthlessness, the remaining two players will have no qualms about responding Escape Tunnel is likely to be another popular interaction
Unfortunately, none of those letters are 'Y', so it looks like Yuffie will not be getting her own card
Here is a good general breakdown for a well-balanced deck: 1 Cost Cards: One or Two 2 Cost Cards: Seven or Eight 3 Cost Cards: Five or Six 4 Cost Cards: Three or Four 5 Cost Cards: Two or Three 6 Cost Cards: At Most One These are just general guidelines, and these numbers can be flexible if you think of a strategy that will work well
Yuffie isn't put onto the battlefield until the ability resolves