So, what does Kida offer in terms of her use in the game itself
Mesagoza is effectively Pok Ball on a coin flip
(1) If a Salamangreat Link Monster you control leaves the field due to an opponents card effect and this card is in your GY: You can Special Summon 2 Level 4 Salamangreat monsters from your GY, including this card, and if you do, immediately after this effect resolves, Xyz Summon 1 Salamangreat Xyz Monster using these 2 monsters only
Houndoom Illustration Rare ($25) Another Stage 1 Pokemon, Houndoom requires that Houndour is in play before it can be used to evolve the Basic Pokemon
All things considered, knowing what is in your opponents hand is very useful information, however, the real value lies in your ability to take away their best creature, and turn it into Valki later